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# API authenPlatform

* PLATFORM should call this API to get Bearer token to use in all other APIs.
* Authentication mechanism: OAuth 2.0
* API:
  * Path: */v2/auth/oauth2/token*
  * Method: *POST*
  * Request: Content-Type: *application/json*

**Request Parameter**

<table><thead><tr><th width="169">Parameter</th><th width="123">Data Type</th><th width="106">Required</th><th>Description</th></tr></thead><tbody><tr><td>grant_type</td><td>String</td><td>Y</td><td>“<em>client_credentials</em>” as default.</td></tr><tr><td>client_id</td><td>String</td><td>Y</td><td>API integration information in the profile section on the Merchant Portal.</td></tr><tr><td>client_secret</td><td>String</td><td>Y</td><td>API integration information in the profile section on the Merchant Portal.</td></tr><tr><td>scope</td><td>String</td><td>Y</td><td>“<em>collection</em>” as default.</td></tr></tbody></table>

**Response Data**

<table><thead><tr><th width="188.33333333333331">Parameter</th><th width="171">Data Type</th><th>Description</th></tr></thead><tbody><tr><td>code</td><td>Number</td><td>Error code. Refer to <a href="/pages/Z6i4pnK4y9vE73CiFAF9">table of error codes</a></td></tr><tr><td>message</td><td>String</td><td>Error description.</td></tr><tr><td>access_token</td><td>String</td><td>To authenticate for all other APIs.</td></tr><tr><td>token_type</td><td>String</td><td>“bearer” as default.</td></tr><tr><td>expires_in</td><td>Number</td><td>“access_token” expiration time, in seconds.</td></tr></tbody></table>