Merchant must create an account at Register Page before making all authorized requests to the system.
You can make requests to Fizen Pay directly on the Web app by logged-in account or make external requests (from: e-commerce platforms, your applications/systems...) by API keys.
  1. 1.
    Register an account on Sandbox environment for developing or testing purposes
  2. 2.
    Register a production account to launch your business: