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Changelog

October 13, 2026

M2M token endpoint moves to the API host

Improved

  • Machine-to-machine (M2M) authentication — The client_credentials token endpoint is now https://api.brevo.com/realms/partner/oauth/token, on the same host as the API. The previous URL, https://oauth.brevo.com/realms/partner/oauth/token, keeps working. The guide’s token example now requests an explicit scope and explains that requesting a scope the app wasn’t granted returns 400 invalid_scope.
  • API reference — The OAuth 2.0 token URL in the API reference points to the new endpoint.

Request an explicit scope when you get a token. A token requested without one carries every scope granted to the app.