SellApp
API ReferencePayment methods

Manage custom payment methods

Create, retrieve, update, and delete instruction or redirect payment methods.

GET
/v2/payment-methods/custom

Authorization

AuthorizationBearer <token>

Provide your SellApp API key as a bearer token.

In: header

Header Parameters

X-STORE?string

Store slug. Required for OAuth access tokens. API keys may omit it to use their current store, or the first accessible store when no current store is selected.

Response Body

application/json

application/json

application/json

application/json

application/json

application/json

application/json

curl -X GET "https://sell.app/api/v2/payment-methods/custom" \  -H "X-STORE: launch-lab"
{
  "data": [
    {
      "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
      "type": "instructions",
      "name": "Manual transfer",
      "description": "Pay using the instructions shown at checkout.",
      "instructions": "Contact Launch Lab for transfer details.",
      "steps": null,
      "redirect_url": null,
      "skip_interstitial_page": false,
      "show_processing_status_page": false,
      "require_proof_of_payment": true,
      "enabled": false,
      "sort_order": 0,
      "icon_url": null,
      "created_at": "2026-09-01T12:00:00Z",
      "updated_at": "2026-09-01T12:00:00Z"
    }
  ]
}
{
  "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": "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"
}
POST
/v2/payment-methods/custom

Authorization

AuthorizationBearer <token>

Provide your SellApp API key as a bearer token.

In: header

Header Parameters

X-STORE?string

Store slug. Required for OAuth access tokens. API keys may omit it to use their current store, or the first accessible store when no current store is selected.

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

application/json

application/json

application/json

application/json

application/json

curl -X POST "https://sell.app/api/v2/payment-methods/custom" \  -H "X-STORE: launch-lab" \  -H "Content-Type: application/json" \  -d '{    "type": "instructions",    "name": "Manual payment",    "instructions": "Contact Launch Lab before sending a payment.",    "enabled": false,    "modifier": {      "percentage": "-2.50",      "fixed": "-1.00"    }  }'
{
  "data": {
    "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
    "type": "instructions",
    "name": "Manual payment",
    "description": "Pay using the instructions shown at checkout.",
    "instructions": "Contact Launch Lab before sending a payment.",
    "steps": null,
    "redirect_url": null,
    "skip_interstitial_page": false,
    "show_processing_status_page": false,
    "require_proof_of_payment": true,
    "enabled": false,
    "sort_order": 0,
    "icon_url": null,
    "created_at": "2026-09-01T12:00:00Z",
    "updated_at": "2026-09-01T12:00:00Z",
    "modifier": {
      "percentage": "-2.50",
      "fixed": "-1.00"
    }
  }
}
{
  "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": "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"
}
GET
/v2/payment-methods/custom/{customPaymentMethod}

Authorization

AuthorizationBearer <token>

Provide your SellApp API key as a bearer token.

In: header

Path Parameters

customPaymentMethod*string

Store-scoped custom payment method ULID.

Match^[0-9A-HJKMNP-TV-Z]{26}$

Header Parameters

X-STORE?string

Store slug. Required for OAuth access tokens. API keys may omit it to use their current store, or the first accessible store when no current store is selected.

Response Body

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

curl -X GET "https://sell.app/api/v2/payment-methods/custom/string" \  -H "X-STORE: launch-lab"
{
  "data": {
    "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
    "type": "instructions",
    "name": "Manual transfer",
    "description": "Pay using the instructions shown at checkout.",
    "instructions": "Contact Launch Lab for transfer details.",
    "steps": null,
    "redirect_url": null,
    "skip_interstitial_page": false,
    "show_processing_status_page": false,
    "require_proof_of_payment": true,
    "enabled": false,
    "sort_order": 0,
    "icon_url": null,
    "created_at": "2026-09-01T12:00:00Z",
    "updated_at": "2026-09-01T12:00:00Z"
  }
}
{
  "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": "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"
}
PATCH
/v2/payment-methods/custom/{customPaymentMethod}

Authorization

AuthorizationBearer <token>

Provide your SellApp API key as a bearer token.

In: header

Path Parameters

customPaymentMethod*string

Store-scoped custom payment method ULID.

Match^[0-9A-HJKMNP-TV-Z]{26}$

Header Parameters

X-STORE?string

Store slug. Required for OAuth access tokens. API keys may omit it to use their current store, or the first accessible store when no current store is selected.

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

curl -X PATCH "https://sell.app/api/v2/payment-methods/custom/string" \  -H "X-STORE: launch-lab" \  -H "Content-Type: application/json" \  -d '{    "enabled": false,    "modifier": null  }'
{
  "data": {
    "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
    "type": "instructions",
    "name": "Manual transfer",
    "description": "Pay using the instructions shown at checkout.",
    "instructions": "Contact Launch Lab for transfer details.",
    "steps": null,
    "redirect_url": null,
    "skip_interstitial_page": false,
    "show_processing_status_page": false,
    "require_proof_of_payment": true,
    "enabled": false,
    "sort_order": 0,
    "icon_url": null,
    "created_at": "2026-09-01T12:00:00Z",
    "updated_at": "2026-09-01T12:00:00Z",
    "modifier": null
  }
}
{
  "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": "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"
}
PUT
/v2/payment-methods/custom/{customPaymentMethod}

Authorization

AuthorizationBearer <token>

Provide your SellApp API key as a bearer token.

In: header

Path Parameters

customPaymentMethod*string

Store-scoped custom payment method ULID.

Match^[0-9A-HJKMNP-TV-Z]{26}$

Header Parameters

X-STORE?string

Store slug. Required for OAuth access tokens. API keys may omit it to use their current store, or the first accessible store when no current store is selected.

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

curl -X PUT "https://sell.app/api/v2/payment-methods/custom/string" \  -H "X-STORE: launch-lab" \  -H "Content-Type: application/json" \  -d '{    "type": "instructions",    "name": "Manual payment",    "instructions": "Contact Launch Lab before sending a payment.",    "enabled": false  }'
{
  "data": {
    "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
    "type": "instructions",
    "name": "Manual payment",
    "description": "Pay using the instructions shown at checkout.",
    "instructions": "Contact Launch Lab before sending a payment.",
    "steps": null,
    "redirect_url": null,
    "skip_interstitial_page": false,
    "show_processing_status_page": false,
    "require_proof_of_payment": true,
    "enabled": false,
    "sort_order": 0,
    "icon_url": null,
    "created_at": "2026-09-01T12:00:00Z",
    "updated_at": "2026-09-01T12:00:00Z"
  }
}
{
  "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": "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"
}
DELETE
/v2/payment-methods/custom/{customPaymentMethod}

Authorization

AuthorizationBearer <token>

Provide your SellApp API key as a bearer token.

In: header

Path Parameters

customPaymentMethod*string

Store-scoped custom payment method ULID.

Match^[0-9A-HJKMNP-TV-Z]{26}$

Header Parameters

X-STORE?string

Store slug. Required for OAuth access tokens. API keys may omit it to use their current store, or the first accessible store when no current store is selected.

Response Body

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

curl -X DELETE "https://sell.app/api/v2/payment-methods/custom/string" \  -H "X-STORE: launch-lab"
{
  "data": {
    "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
    "type": "instructions",
    "name": "Manual transfer",
    "description": "Pay using the instructions shown at checkout.",
    "instructions": "Contact Launch Lab for transfer details.",
    "steps": null,
    "redirect_url": null,
    "skip_interstitial_page": false,
    "show_processing_status_page": false,
    "require_proof_of_payment": true,
    "enabled": false,
    "sort_order": 0,
    "icon_url": null,
    "created_at": "2026-09-01T12:00:00Z",
    "updated_at": "2026-09-01T12:00:00Z"
  }
}
{
  "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": "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"
}

Manage payment methods

List and poll safe status, validate write-only configuration, enable or disable methods, and create provider connection handoffs.

Overview

Manage store configuration, analytics credentials, marketing automation, notification destinations, and custom domains.