Square Connect API

REST discovered

Details

URL: https://connect.squareup.com
Docs: https://developer.squareup.com/reference/square

Authentication

Square personal access token bearer discovered Get token ↗

Authorization: Bearer <credential>

Sign in to the Square Developer Console, open your application, and copy the sandbox or production personal access token described in Access Tokens and Other Credentials. Use it as a Bearer token for direct API calls to your own Square account.

Square OAuth application credentials oauth2 discovered Set up OAuth ↗

Authorization: Bearer <credential>

Create an application in the Square Developer Console. Configure its OAuth settings and redirect URL as described in OAuth API overview. Send sellers to Square's authorization page, then exchange the returned authorization code at the token endpoint to obtain seller-scoped access and refresh tokens.