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1

Get your credentials

Your client ID and client secret are provided by Tesouro during onboarding. To request access, have your designated team lead submit an access request.
2

Get an access token

Exchange your credentials for a short-lived JWT:
3

Make your first API call

Use the token to call the GraphQL endpoint. For example, authorize a transaction:

Next steps

  • Learn about authentication concepts and available methods
  • Explore the Sandbox environment for testing
  • Review the API concepts for environments, rate limiting, and pagination