Client Credentials Grant Type
Last updated: 1 minute read.
The Client Credentials grant type uses the OAuth client credentials to generate a token.
Token Request
This request provides the client credentials in exchange for an API token.
curl -X POST \
  https://tyk.cloud.tyk.io/oauth-api/oauth/token/ \
  -H 'Authorization: Basic ZWQ1OTE1OGZhMjM0NGU5NGIzZTYyNzhlOGFiODUxNDI6TUdRM056RTJNR1F0WVRVeVpDMDBaVFZsTFdKak1USXRNakUyTVRNMU1tRTNOMk0x' \
  -H 'Content-Type: application/x-www-form-urlencoded' \
  -d 'grant_type=client_credentials&client_id=ed59158fa2344e94b3e6278e8ab85142&client_secret=MGQ3NzE2MGQtYTUyZC00ZTVlLWJjMTItMjE2MTM1MmE3N2M1'
| Request | Value | 
|---|---|
| Method | POST | 
| URL | Uses the special OAuth endpoint /oauth/tokenappended to the API URI e.g.https://<your-gateway-host>/<your-api-listen-path>/oauth/token. | 
| Header | Value | 
|---|---|
| Authorization | Basicauthorization, using theclient idandclient secretof the OAuth client base64 encoded with colon separator. E.g.<oauth-client-id>:<oauth-client-secret>, in this caseed59158fa2344e94b3e6278e8ab85142:MGQ3NzE2MGQtYTUyZC00ZTVlLWJjMTItMjE2MTM1MmE3N2M1, which base64 encoded isZWQ1OTE1OGZhMjM0NGU5NGIzZTYyNzhlOGFiODUxNDI6TUdRM056RTJNR1F0WVRVeVpDMDBaVFZsTFdKak1USXRNakUyTVRNMU1tRTNOMk0x. | 
| Content-Type | application/x-www-form-urlencoded | 
| Data | Value | 
|---|---|
| grant_type | client_credentials | 
| client_id | The OAuth client id, in this case ed59158fa2344e94b3e6278e8ab85142. | 
| client_secret | The OAuth client secret, in this case MGQ3NzE2MGQtYTUyZC00ZTVlLWJjMTItMjE2MTM1MmE3N2M1. | 
Response
Response provides the token as access_token in the returned JSON which can then be used to access the API:
{
  "access_token": "580defdbe1d21e0001c67e5c40e93eac3d23494697470b90d7c81593",
  "expires_in": 3600,
  "token_type": "bearer"
}
Note
It does not provide a refresh token.
Sequence Diagram
