Customer portal API

These routes accept a customer-session bearer token—not a seller API key. Every resource is limited to the signed-in customer and redacted for customer use. Read subscription capabilities immediately before showing an action.

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Response Body

`application/json`

curl -X GET "https://sell.app/api/v2/customer-portal/me"

{
  "data": {
    "id": 314,
    "email": "natya.sadella@example.com",
    "external_id": "crm_natya_314",
    "name": "Natya Sadella",
    "locale": "en-GB",
    "metadata": {
      "plan": "founder",
      "seats": 3
    }
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

email?string

Formatemail

name?string|null

locale?|

Match^[A-Za-z]{2,3}(?:-[A-Za-z0-9]{2,8})*$

metadata?

Propertiesproperties <= 20

Response Body

`application/json`

curl -X PATCH "https://sell.app/api/v2/customer-portal/me" \  -H "Content-Type: application/json" \  -d '{    "locale": "en-US"  }'

{
  "data": {
    "id": 314,
    "email": "natya.sadella@example.com",
    "external_id": "crm_natya_314",
    "name": "Natya Sadella",
    "locale": "en-US",
    "metadata": {
      "plan": "founder",
      "seats": 3
    }
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Response Body

`application/json`

curl -X GET "https://sell.app/api/v2/customer-portal/orders"

{
  "data": [
    {
      "id": 4242,
      "status": "COMPLETED",
      "timeline": [
        {
          "status": "COMPLETED",
          "set_at": "2026-09-04T09:12:00.000Z"
        }
      ],
      "customer": {
        "id": 314,
        "email": "natya.sadella@example.com",
        "country": "United Kingdom",
        "location": "London",
        "proxied": false
      },
      "payment": {
        "method": "STRIPE",
        "transaction_id": "pi_founder",
        "payment_id": "pi_founder",
        "payment_capture_id": null,
        "blockchain_txid": null,
        "settlement_gateway": null,
        "has_checkout_url": true
      },
      "totals": {
        "currency": "USD",
        "subtotal_cents": 2900,
        "total_exclusive_cents": 2900,
        "total_cents": 2900,
        "total_exclusive_usd_cents": 2900,
        "total_usd_cents": 2900
      },
      "coupon_id": null,
      "line_items": [
        {
          "id": 501,
          "product_id": 77,
          "product_variant_id": 84,
          "product_title": "Founder memo circle",
          "variant_title": "Monthly",
          "quantity": 1,
          "status": "COMPLETED",
          "currency": "USD",
          "subtotal_cents": 2900,
          "total_exclusive_cents": 2900,
          "total_cents": 2900,
          "subscription_id": 991,
          "created_at": "2026-09-04T09:10:00.000Z"
        }
      ],
      "created_at": "2026-09-04T09:10:00.000Z",
      "updated_at": "2026-09-04T09:12:00.000Z"
    }
  ],
  "links": {
    "first": "https://sell.app/api/v2/customer-portal/orders?page=1",
    "last": "https://sell.app/api/v2/customer-portal/orders?page=1",
    "prev": null,
    "next": null
  },
  "meta": {
    "current_page": 1,
    "from": 1,
    "last_page": 1,
    "path": "https://sell.app/api/v2/customer-portal/orders",
    "per_page": 20,
    "to": 1,
    "total": 1,
    "links": [
      {
        "url": null,
        "label": "&laquo; Previous",
        "active": false
      },
      {
        "url": "https://sell.app/api/v2/customer-portal/orders?page=1",
        "label": "1",
        "active": true
      },
      {
        "url": null,
        "label": "Next &raquo;",
        "active": false
      }
    ]
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Path Parameters

order*integer

The order identifier.

Response Body

`application/json`

curl -X GET "https://sell.app/api/v2/customer-portal/orders/4242"

{
  "data": {
    "id": 4242,
    "status": "COMPLETED",
    "timeline": [
      {
        "status": "COMPLETED",
        "set_at": "2026-09-04T09:12:00.000Z"
      }
    ],
    "customer": {
      "id": 314,
      "email": "natya.sadella@example.com",
      "country": "United Kingdom",
      "location": "London",
      "proxied": false
    },
    "payment": {
      "method": "STRIPE",
      "transaction_id": "pi_founder",
      "payment_id": "pi_founder",
      "payment_capture_id": null,
      "blockchain_txid": null,
      "settlement_gateway": null,
      "has_checkout_url": true
    },
    "totals": {
      "currency": "USD",
      "subtotal_cents": 2900,
      "total_exclusive_cents": 2900,
      "total_cents": 2900,
      "total_exclusive_usd_cents": 2900,
      "total_usd_cents": 2900
    },
    "coupon_id": null,
    "line_items": [
      {
        "id": 501,
        "product_id": 77,
        "product_variant_id": 84,
        "product_title": "Founder memo circle",
        "variant_title": "Monthly",
        "quantity": 1,
        "status": "COMPLETED",
        "currency": "USD",
        "subtotal_cents": 2900,
        "total_exclusive_cents": 2900,
        "total_cents": 2900,
        "subscription_id": 991,
        "created_at": "2026-09-04T09:10:00.000Z"
      }
    ],
    "created_at": "2026-09-04T09:10:00.000Z",
    "updated_at": "2026-09-04T09:12:00.000Z"
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Response Body

`application/json`

curl -X GET "https://sell.app/api/v2/customer-portal/subscriptions"

{
  "data": [
    {
      "id": 991,
      "status": "active",
      "subscription_id": "sub_founder",
      "customer_id": "cus_natya",
      "provider_subscription_id": "sub_founder",
      "provider_customer_id": "cus_natya",
      "customer": {
        "id": 314,
        "email": "natya.sadella@example.com",
        "external_id": "crm_natya_314",
        "name": "Natya Sadella",
        "locale": "en-GB",
        "metadata": {
          "plan": "founder",
          "seats": 3
        }
      },
      "product_variant_id": 84
    }
  ]
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Path Parameters

subscription*integer

The subscription identifier.

Response Body

`application/json`

curl -X GET "https://sell.app/api/v2/customer-portal/subscriptions/991"

{
  "data": {
    "id": 991,
    "status": "active",
    "subscription_id": "sub_founder",
    "customer_id": "cus_natya",
    "provider_subscription_id": "sub_founder",
    "provider_customer_id": "cus_natya",
    "customer": {
      "id": 314,
      "email": "natya.sadella@example.com",
      "external_id": "crm_natya_314",
      "name": "Natya Sadella",
      "locale": "en-GB",
      "metadata": {
        "plan": "founder",
        "seats": 3
      }
    },
    "product_variant_id": 84
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Path Parameters

subscription*integer

The subscription identifier.

Response Body

`application/json`

curl -X GET "https://sell.app/api/v2/customer-portal/subscriptions/42/capabilities"

{
  "data": {
    "subscription_id": 991,
    "capabilities": {
      "pause": {
        "available": true
      },
      "resume": {
        "available": false
      }
    }
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Response Body

`application/json`

curl -X GET "https://sell.app/api/v2/customer-portal/entitlements"

{
  "data": [
    {
      "id": "subscription_access:991",
      "kind": "subscription_access",
      "state": "active",
      "customer_id": 314,
      "subject": {
        "type": "product_variant",
        "id": 84,
        "name": "Founder memo circle — monthly"
      }
    }
  ]
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Path Parameters

productSubscription*integer

The productSubscription identifier.

Header Parameters

Idempotency-Key*string

Reuse this key only for an identical retry. A replay returns Idempotent-Replayed: true.

Length8 <= length <= 255

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

preview_id?string

product_variant_id?integer

renewal_date?string

Formatdate

return_url?string

Formaturi

reason?string

Response Body

`application/json`

curl -X POST "https://sell.app/api/v2/customer-portal/subscriptions/42/actions/cancel-period-end" \  -H "Idempotency-Key: founder-memo-2026-09-04" \  -H "Content-Type: application/json" \  -d '{    "reason": "Customer requested this change"  }'

{
  "data": {
    "id": 991,
    "status": "active",
    "subscription_id": "sub_founder",
    "customer_id": "cus_natya",
    "provider_subscription_id": "sub_founder",
    "provider_customer_id": "cus_natya",
    "customer": {
      "id": 314,
      "email": "natya.sadella@example.com",
      "external_id": "crm_natya_314",
      "name": "Natya Sadella",
      "locale": "en-GB",
      "metadata": {
        "plan": "founder",
        "seats": 3
      }
    },
    "product_variant_id": 84
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Path Parameters

productSubscription*integer

The productSubscription identifier.

Header Parameters

Idempotency-Key*string

Reuse this key only for an identical retry. A replay returns Idempotent-Replayed: true.

Length8 <= length <= 255

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

preview_id?string

product_variant_id?integer

renewal_date?string

Formatdate

return_url?string

Formaturi

reason?string

Response Body

`application/json`

curl -X POST "https://sell.app/api/v2/customer-portal/subscriptions/42/actions/cancel-immediately" \  -H "Idempotency-Key: founder-memo-2026-09-04" \  -H "Content-Type: application/json" \  -d '{    "reason": "Customer requested this change"  }'

{
  "data": {
    "id": 991,
    "status": "active",
    "subscription_id": "sub_founder",
    "customer_id": "cus_natya",
    "provider_subscription_id": "sub_founder",
    "provider_customer_id": "cus_natya",
    "customer": {
      "id": 314,
      "email": "natya.sadella@example.com",
      "external_id": "crm_natya_314",
      "name": "Natya Sadella",
      "locale": "en-GB",
      "metadata": {
        "plan": "founder",
        "seats": 3
      }
    },
    "product_variant_id": 84
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Path Parameters

productSubscription*integer

The productSubscription identifier.

Header Parameters

Idempotency-Key*string

Reuse this key only for an identical retry. A replay returns Idempotent-Replayed: true.

Length8 <= length <= 255

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

preview_id?string

product_variant_id?integer

renewal_date?string

Formatdate

return_url?string

Formaturi

reason?string

Response Body

`application/json`

curl -X POST "https://sell.app/api/v2/customer-portal/subscriptions/42/actions/pause" \  -H "Idempotency-Key: founder-memo-2026-09-04" \  -H "Content-Type: application/json" \  -d '{    "reason": "Customer requested this change"  }'

{
  "data": {
    "id": 991,
    "status": "active",
    "subscription_id": "sub_founder",
    "customer_id": "cus_natya",
    "provider_subscription_id": "sub_founder",
    "provider_customer_id": "cus_natya",
    "customer": {
      "id": 314,
      "email": "natya.sadella@example.com",
      "external_id": "crm_natya_314",
      "name": "Natya Sadella",
      "locale": "en-GB",
      "metadata": {
        "plan": "founder",
        "seats": 3
      }
    },
    "product_variant_id": 84
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Path Parameters

productSubscription*integer

The productSubscription identifier.

Header Parameters

Idempotency-Key*string

Reuse this key only for an identical retry. A replay returns Idempotent-Replayed: true.

Length8 <= length <= 255

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

preview_id?string

product_variant_id?integer

renewal_date?string

Formatdate

return_url?string

Formaturi

reason?string

Response Body

`application/json`

curl -X POST "https://sell.app/api/v2/customer-portal/subscriptions/42/actions/resume" \  -H "Idempotency-Key: founder-memo-2026-09-04" \  -H "Content-Type: application/json" \  -d '{    "reason": "Customer requested this change"  }'

{
  "data": {
    "id": 991,
    "status": "active",
    "subscription_id": "sub_founder",
    "customer_id": "cus_natya",
    "provider_subscription_id": "sub_founder",
    "provider_customer_id": "cus_natya",
    "customer": {
      "id": 314,
      "email": "natya.sadella@example.com",
      "external_id": "crm_natya_314",
      "name": "Natya Sadella",
      "locale": "en-GB",
      "metadata": {
        "plan": "founder",
        "seats": 3
      }
    },
    "product_variant_id": 84
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Path Parameters

productSubscription*integer

The productSubscription identifier.

Header Parameters

Idempotency-Key*string

Reuse this key only for an identical retry. A replay returns Idempotent-Replayed: true.

Length8 <= length <= 255

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

preview_id?string

product_variant_id?integer

renewal_date?string

Formatdate

return_url?string

Formaturi

reason?string

Response Body

`application/json`

curl -X POST "https://sell.app/api/v2/customer-portal/subscriptions/42/actions/update-payment-method" \  -H "Idempotency-Key: founder-memo-2026-09-04" \  -H "Content-Type: application/json" \  -d '{    "reason": "Customer requested this change"  }'

{
  "data": {
    "id": 991,
    "status": "active",
    "subscription_id": "sub_founder",
    "customer_id": "cus_natya",
    "provider_subscription_id": "sub_founder",
    "provider_customer_id": "cus_natya",
    "customer": {
      "id": 314,
      "email": "natya.sadella@example.com",
      "external_id": "crm_natya_314",
      "name": "Natya Sadella",
      "locale": "en-GB",
      "metadata": {
        "plan": "founder",
        "seats": 3
      }
    },
    "product_variant_id": 84
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Path Parameters

productSubscription*integer

The productSubscription identifier.

Header Parameters

Idempotency-Key*string

Reuse this key only for an identical retry. A replay returns Idempotent-Replayed: true.

Length8 <= length <= 255

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

preview_id?string

product_variant_id?integer

renewal_date?string

Formatdate

return_url?string

Formaturi

reason?string

Response Body

`application/json`

curl -X POST "https://sell.app/api/v2/customer-portal/subscriptions/42/actions/change-plan/preview" \  -H "Idempotency-Key: founder-memo-2026-09-04" \  -H "Content-Type: application/json" \  -d '{    "product_variant_id": 84  }'

{
  "data": {
    "id": 991,
    "status": "active",
    "subscription_id": "sub_founder",
    "customer_id": "cus_natya",
    "provider_subscription_id": "sub_founder",
    "provider_customer_id": "cus_natya",
    "customer": {
      "id": 314,
      "email": "natya.sadella@example.com",
      "external_id": "crm_natya_314",
      "name": "Natya Sadella",
      "locale": "en-GB",
      "metadata": {
        "plan": "founder",
        "seats": 3
      }
    },
    "product_variant_id": 84
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Path Parameters

productSubscription*integer

The productSubscription identifier.

Header Parameters

Idempotency-Key*string

Reuse this key only for an identical retry. A replay returns Idempotent-Replayed: true.

Length8 <= length <= 255

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

preview_id?string

product_variant_id?integer

renewal_date?string

Formatdate

return_url?string

Formaturi

reason?string

Response Body

`application/json`

curl -X POST "https://sell.app/api/v2/customer-portal/subscriptions/42/actions/change-plan/confirm" \  -H "Idempotency-Key: founder-memo-2026-09-04" \  -H "Content-Type: application/json" \  -d '{    "preview_id": "preview_01K4"  }'

{
  "data": {
    "id": 991,
    "status": "active",
    "subscription_id": "sub_founder",
    "customer_id": "cus_natya",
    "provider_subscription_id": "sub_founder",
    "provider_customer_id": "cus_natya",
    "customer": {
      "id": 314,
      "email": "natya.sadella@example.com",
      "external_id": "crm_natya_314",
      "name": "Natya Sadella",
      "locale": "en-GB",
      "metadata": {
        "plan": "founder",
        "seats": 3
      }
    },
    "product_variant_id": 84
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Path Parameters

productSubscription*integer

The productSubscription identifier.

Header Parameters

Idempotency-Key*string

Reuse this key only for an identical retry. A replay returns Idempotent-Replayed: true.

Length8 <= length <= 255

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

preview_id?string

product_variant_id?integer

renewal_date?string

Formatdate

return_url?string

Formaturi

reason?string

Response Body

`application/json`

curl -X POST "https://sell.app/api/v2/customer-portal/subscriptions/42/actions/change-renewal-date/preview" \  -H "Idempotency-Key: founder-memo-2026-09-04" \  -H "Content-Type: application/json" \  -d '{    "renewal_date": "2026-10-15"  }'

{
  "data": {
    "id": 991,
    "status": "active",
    "subscription_id": "sub_founder",
    "customer_id": "cus_natya",
    "provider_subscription_id": "sub_founder",
    "provider_customer_id": "cus_natya",
    "customer": {
      "id": 314,
      "email": "natya.sadella@example.com",
      "external_id": "crm_natya_314",
      "name": "Natya Sadella",
      "locale": "en-GB",
      "metadata": {
        "plan": "founder",
        "seats": 3
      }
    },
    "product_variant_id": 84
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Authorization

customerSession

AuthorizationBearer <token>

A customer-session token that expires after 15 minutes.

In: header

Path Parameters

productSubscription*integer

The productSubscription identifier.

Header Parameters

Idempotency-Key*string

Reuse this key only for an identical retry. A replay returns Idempotent-Replayed: true.

Length8 <= length <= 255

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

preview_id?string

product_variant_id?integer

renewal_date?string

Formatdate

return_url?string

Formaturi

reason?string

Response Body

`application/json`

curl -X POST "https://sell.app/api/v2/customer-portal/subscriptions/42/actions/change-renewal-date/confirm" \  -H "Idempotency-Key: founder-memo-2026-09-04" \  -H "Content-Type: application/json" \  -d '{    "preview_id": "preview_01K4"  }'

{
  "data": {
    "id": 991,
    "status": "active",
    "subscription_id": "sub_founder",
    "customer_id": "cus_natya",
    "provider_subscription_id": "sub_founder",
    "provider_customer_id": "cus_natya",
    "customer": {
      "id": 314,
      "email": "natya.sadella@example.com",
      "external_id": "crm_natya_314",
      "name": "Natya Sadella",
      "locale": "en-GB",
      "metadata": {
        "plan": "founder",
        "seats": 3
      }
    },
    "product_variant_id": 84
  }
}

{
  "type": "invalid_request_error",
  "code": "bad_request",
  "message": "The request could not be understood.",
  "status": 400,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#bad-request"
}

{
  "type": "authentication_error",
  "code": "unauthenticated",
  "message": "Unauthenticated.",
  "status": 401,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#unauthenticated"
}

{
  "type": "authorization_error",
  "code": "forbidden",
  "message": "This action is unauthorized.",
  "status": 403,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#forbidden"
}

{
  "type": "not_found_error",
  "code": "resource_not_found",
  "message": "Not Found.",
  "status": 404,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#resource-not-found"
}

{
  "type": "conflict_error",
  "code": "conflict",
  "message": "The resource state changed before this request.",
  "status": 409,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#conflict"
}

{
  "type": "invalid_request_error",
  "code": "cursor_expired",
  "message": "This cursor has expired. Start again without a cursor.",
  "status": 410,
  "param": "cursor",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#cursor-expired"
}

{
  "type": "validation_error",
  "code": "validation_failed",
  "message": "The selected product variant id is invalid.",
  "status": 422,
  "param": "product_variant_id",
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#validation-failed",
  "errors": {
    "product_variant_id": [
      "The selected product variant id is invalid."
    ]
  }
}

{
  "type": "rate_limit_error",
  "code": "rate_limit_exceeded",
  "message": "Too Many Attempts.",
  "status": 429,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#rate-limit-exceeded"
}

{
  "type": "api_error",
  "code": "api_error",
  "message": "Server Error",
  "status": 500,
  "param": null,
  "request_id": "01992a65-e064-71ba-b38f-902b7966a6be",
  "docs_url": "https://sell.app/docs/api/errors#api-error"
}

Customer portal API

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