# Obtain a session access token **POST /auth/session** ## 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.) ## Authentication methods - Refresh auth ## Parameters ## Responses ### 201 Successfully created. #### Body: application/json (object) - **access_token** (string) ### 401 Invalid token #### Body: application/json (object) - **error** (string) A message that describes the error. - **error_code** (string) The error type. [Powered by Bump.sh](https://bump.sh)