keycloak 19 connect to postman #15417

jasondee1992 · 2022-11-09T09:14:05Z

jasondee1992
Nov 9, 2022

Trying to connect to admin api using http://localhost:8080/admin/realms in postma but I received an error. Can I ask on how to connect my keycloak 19 to postman ?

souravs17031999 · 2022-11-09T14:07:18Z

souravs17031999
Nov 9, 2022

@jasondee1992 , All these admin route API's are authorized routes in Keycloak and needs an Authorization header to be sent as Bearer token.

You will need to get the master user token as shown below :

Then, use this as bearer token in postman to send the request as shown below :

Also, I see you are using POST request to /admin/realms , I suspect that would't work without correct body. For this consult, API docs but anyways it should work with above.

8 replies

souravs17031999 Nov 10, 2022

Generate it via Postman (as shown earlier) , I don't think there's anyway to generate using the Admin console.

jasondee1992 Nov 10, 2022
Author

Sorry sir I didn't understand. I'm new in keycloak Trying to follow your instruction in http://localhost:8080/auth/realms/master/protocol/openid-connect/token link but I received this. I can't receive in the body. Do I need to setup first my keycloak before I can connect to using postman ?

I run my keycloak using running CMD keycloak folder path bin>kc.bat start-dev

souravs17031999 Nov 10, 2022

The URL in second approach (in pic) is correct, you just need to set the body in postman (choose x-www-url-encoded and pass the required keys/values) as I showed above, It will work.
If you will send the request without body, it will throw "unknown_error" 500 as It's currently.

lexcao Nov 10, 2022

@jasondee1992
From the screenshot you provide, I can see you're not putting the body data in your request.

If there is a body, there should be a green point, like this.

Could you please try this cURL?

curl --request POST \
  --url http://127.0.0.1:8080/realms/master/protocol/openid-connect/token \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data client_id={} \
  --data client_secret={} \
  --data grant_type=password \
  --data username={} \
  --data password={}

jasondee1992 Nov 13, 2022
Author

@jasondee1992 From the screenshot you provide, I can see you're not putting the body data in your request.

If there is a body, there should be a green point, like this.

Could you please try this cURL?
curl --request POST \
  --url http://127.0.0.1:8080/realms/master/protocol/openid-connect/token \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data client_id={} \
  --data client_secret={} \
  --data grant_type=password \
  --data username={} \
  --data password={}

Thank you sir. I got this answer.

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keycloak 19 connect to postman #15417

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jasondee1992 Nov 9, 2022

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jasondee1992 Nov 13, 2022 Author

jasondee1992
Nov 9, 2022

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souravs17031999
Nov 9, 2022

jasondee1992 Nov 10, 2022
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jasondee1992 Nov 13, 2022
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