# Log in to the Masking Engine with an OAuth2 access token from Data Control Tower. Endpoint: POST /sso-login Version: 5.1.42 Security: ## Response 200 fields (application/json): - `Authorization` (string) The Authorization token to be provided in the headers of subsequent endpoint calls. Note that the timeout for the Authorization token is controlled by the 'API_AUTHORIZATION_TIMEOUT' property. Example: "415aac5d-SOME-RANDOM-STRING-af6cf70dc49e" ## Response 401 fields