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Client Credentials with Client Secret

Overview​

As part of the onboarding process, the JH PayCenter team provides a Client ID and Client Secret. These credentials are used to generate access tokens required to securely access the JH PayCenter Instant Payments API.

NOTE
  • Starting October 2026, all new client onboardings must implement the Client Credentials with Private Key based authentication.
  • Existing clients that currently rely on client secret–based authentication must transition to Private Key–based authentication by October 2028 to maintain continued access.

Use the Generate Token using Client Secret API to generate an access token. The token must be passed in the Authorization header for every JH PayCenter Instant Payments API request.

Authorization: Bearer <access_token>