Payin credited
A fiat collection was received and credited to the account in USDT. For universal checkout links (kind: checkout) the payload also carries settled_via (e.g. qr, crypto:tron:usdt, cbpay), settlement_asset and asset_amount; crypto payments add crypto_amount and CBPay app payments add transfer_id, asset and amount.
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 18, 2026