Brex is a financial technology company that offers a credit card, spend management software, and business account in one solution. You can track expenses, send ACH transfers and wires, and create virtual cards for your employees and vendors. Using the Brex API, you can 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.

  • Onboarding API: Refer your customers and personal contacts to Brex and prefill signup information
  • Team API: Manage users, locations, departments, and cards
  • Payments API: Manage vendors and send ACH, domestic wires, and checks
  • Transactions API: View your transactions, accounts, and statements


Check out our quickstart guide to get up and running making your first Brex API call in just a few minutes. The rest of the guides and documentation provide more in-depth context.

API Status

Go to https://status.brex.com to see API and Brex system status.

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