Keycloak Missing form parameter: grant_type

Question

I have keycloak standalone running on my local machine.

I created new realm called \'spring-test\', then new client called \'login-app\'

According to the rest docu

Answer 1

For those who landed here from a search looking for JavaScript solution.

Here is an example when exchanging code for access_token with keycloak authority using axios.

querystring is used in this example:

npm install querystring

or

yarn add querystring

Sending the request:

import queryString from 'querystring'

const params = {

    grant_type: 'authorization_code,
    client_id: 'client-id-here',
    code: 'code-from-previous-redirect',
    redirect_uri: location.protocol + '//' + location.host

};

axios({

    method: 'post',
    url: 'https://my-keycloak.authority/token',
    data: queryString.stringify(params),
    config: {
        headers: {'Content-Type': 'application/x-www-form-urlencoded'}
    }

}).then(response => {

    console.log(response.data);

}).catch(error => {

    console.error(error);

});

You are required to send a POST request with the parameters as a URL encoded string in the request body.

FormData object does not work.