# Authenticate as an App Services administrator **POST /auth/providers/mongodb-cloud/login** Authenticate as an App Services administrator using an Atlas programmatic API key pair. To learn more, see [Get An Admin API Session Access Token](#get-an-admin-api-session-access-token). ## Servers - The root API resource and starting point for the App Services API.: https://services.cloud.mongodb.com/api/admin/v3.0 (The root API resource and starting point for the App Services API.) ## Parameters ## Body parameters Content-type: application/json - **username** (string) - **apiKey** (string) ## Responses ### 200: Authentication was successful. #### Body Parameters: application/json (object) - **access_token** (string) An access token you may provide in the `Authorization` header of API requests. [The App Services API Authentication section](#section/Get-Authentication-Tokens) demonstrates how to use this token. - **refresh_token** (string) A refresh token you may provide in the `Authorization` header of [POST auth/session](#section/adminCreateSession) to obtain a new `access_token` for the current user session. - **user_id** (string) The unique `_id` value of the MongoDB Cloud user. - **device_id** (string) [Powered by Bump.sh](https://bump.sh)