Preview a plan change
Understand why plan-change previews belong to the customer flow.
Plan changes belong to the customer. Seller API requests to this endpoint return
422. Check subscription capabilities
and use the customer flow; do not expose a seller key in the customer's browser.
Provide your SellApp API key as a bearer token.
In: header
Path Parameters
The productSubscription path parameter.
Header Parameters
Caller-generated key for safely retrying this operation. The JSON idempotency_key field is also accepted; when both are sent, the header takes precedence.
length <= 128Store 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/subscriptions/0/actions/change-plan/preview" \ -H "X-STORE: launch-lab" \ -H "Content-Type: application/json" \ -d '{ "target_variant_id": 4321, "effective_timing": "immediate", "proration_behavior": "provider_default" }'{
"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"
}