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Request parameters are different for Access Token requests and Refresh Token requests.
Access Token request
| Name | Support | Description |
|---|---|---|
grant_type |  | Grant type is always authorization_code |
code | | Value from response of the foregoing Authorize request |
redirect_uri | | Redirect URI used in the foregoing Authorize request |
client_id |  | Not supported since the OIDC clients must always authenticate |
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