Magento B2B REST API

In your Adobe Commerce or Magento Open Source store, generate an admin bearer token using the token-based authentication flow documented in Token-based authentication. Use that token in the Authorization: Bearer <token> header for protected REST and GraphQL calls.

Generate a customer access token from your Adobe Commerce or Magento Open Source store using the process documented in Token-based authentication. Send it as Authorization: Bearer <token> when calling customer-authorized REST or GraphQL operations.

Create an integration in the Commerce admin as documented in Create an integration. Approve the requested resource access to obtain the integration consumer key/secret and access token/secret used for Magento's OAuth-based authentication flow described in OAuth-based authentication.