Brex Developer APIs

REST discovered

Details

URL: https://api.brex.com
Docs: https://developer.brex.com/

Authentication

Brex user API token bearer discovered Get token ↗

Sign in to the Brex Dashboard as an account admin or card admin, go to Settings → Developer, accept the Developer API agreement if prompted, then click Create Token. Choose the scopes your app needs, confirm with Allow Access, and copy the token once; Brex only shows it once. Send it as Authorization: Bearer <token>.