TRPAY OpenAPIPayment integration documentation

API reference, authentication and payment notifications for merchant integrations.

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Signature rules

API reference

Request parameters, response fields and cURL examples.

H5 & H2H PayIns

Payment flows and response fields for H5 and H2H integrations.

Webhooks

Callback fields, signature verification and acknowledgment examples.

Order statuses

Payment status values, expiration and notification status.

Amounts & fees

Definitions of order, payable, paid and settlement amounts.

Error handling

Error codes and handling unsuccessful or uncertain requests.

Before you start

Obtain your merchant credentials and confirm enabled payment methods with the integration team. Read the request format and signature rules before integration.