Payin expired
An active collection (QR or hosted checkout) reached a final state without receiving the payment: the payin moves from pending to expired (or failed). No funds move; create a new payin to retry the charge.
Every delivery includes X-Webhook-Event, X-Webhook-Event-ID, X-Webhook-Delivery-ID, X-Webhook-Timestamp and X-Webhook-Signature = hex(HMAC-SHA256(secret, timestamp + "." + body)). Respond 2xx; up to 5 attempts with incremental backoff.
WEBHOOK
Authorizations
Session JWT (from register/login) or API key (pk_...).
X-API-Key: <token> is accepted as an alternative header.
Body
application/json
Response
200
Return any 2xx to acknowledge the delivery.
Last modified on July 19, 2026