Welcome!

Brex offers multiple APIs to power your internal tools and create custom workflows.

Brex APIs use the REST architecture, are defined using the OpenAPI specification and use standard HTTP response codes and verbs. All APIs accept and return JSON and require HTTPS.

Explore our guides and review our API documentation to see how you can integrate with Brex.

  • Submit referrals to streamline process of creating new accounts using the Onboarding API
  • Manage users, locations, departments and create cards using our Team API
  • Manage vendors and send ACH, domestic wires and cheques using our Payments API
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