# Authentication Every API Request to the Title Alert API will require OAuth Authentication. Authentication is granted by an **Authentication End Point** which will return a bearer token to be used in subsequent API requests. Bearer Tokens will have an expiry time. #### Request ###### Message Body | Key | Value | | --- | --- | | client_id | (will be provided to you) | | client_secret | (will be provided to you) | | grant_type | client_credentials | | scope | https://servictoria.io/ddp-title-alert | ###### Sample Request ``` curl --location '' \ --header 'Content-Type: application/x-www-form-urlencoded' \ --data-urlencode 'client_id=' \ --data-urlencode 'client_secret=' \ --data-urlencode 'grant_type=client_credentials' \ --data-urlencode 'scope=https://servictoria.io/ddp-title-alert' ``` #### Response | Key | Value | | --- | --- | | token_type | “Bearer” | | expires_in | Expiry time in seconds | | ext_expires_in | Expiry time of extension in seconds | | **access_token** | Access token to be used in subsequent requests. |