# Exchange for Access Token

**POST /oauth/token**

Exchange an authorization code or client credentials for a bearer access token.

- Use `grant_type=authorization_code` along with the `code` and `redirect_uri` from the Authorization Code flow.
- Use `grant_type=client_credentials` for the Client Credentials flow (no user redirect required).


## Servers
- https://api.pre.transactiondesk.com: https://api.pre.transactiondesk.com ()



## Parameters



### Body: application/x-www-form-urlencoded (object)

- **grant_type** (string)

- **client_id** (string)
  Client ID provided by Lonewolf

- **client_secret** (string)
  Client Secret provided by Lonewolf

- **code** (string)
  Authorization code from step 3 (authorization_code flow only). One-time use, expires in 10 minutes.

- **redirect_uri** (string)
  Must match the redirect_uri used in step 1 (authorization_code flow only)



## Responses
### 200
Access token issued successfully

#### Body: application/json (object)
- **access_token** (string)

- **token_type** (string)



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