vellTRDocs
API ReferenceSubscriptionsUpdate Card Session

Update Card Session

POST/v1/public/subscriptions/{hash}/update-card-sessionOptional

Buyer clicks "Update card": mints a card_update_only checkout session and returns its URL.

Authentication

Signature Pattern

None β€” public buyer endpoint, the subscription publicHash is the bearer.

Request Example

JSONRequest Body
{}

Response Parameters

FieldTypeExample
sessionIdstring"2a7b8c9d-0e1f-3f1c-9a2e-6b4d4e8a9c1f"
checkoutUrlstring"https://pay.kvell.group/s/2a7b8c9d-0e1f-…
expiresAtstring"2026-04-13T11:00:00Z"

Response Example

JSONResponse
{
  "sessionId": "2a7b8c9d-0e1f-3f1c-9a2e-6b4d4e8a9c1f",
  "checkoutUrl": "https://pay.kvell.group/s/2a7b8c9d-0e1f-3f1c-9a2e-6b4d4e8a9c1f",
  "expiresAt": "2026-04-13T11:00:00Z"
}

Status Codes

200Success
201Created
400Bad Request
401Unauthorized
404Not Found
429Rate Limited
Try itMock
POSThttps://api.pay.sandbox.kvell.group
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