Want to get bearer token to connect to API

[cloudv]

Hi i want to get bearer token by providing client id and client secret to then connect the third party API.

In postman i can provide end point, client_id and client_secret(in headers) and get the following

{

    "access_token": "XXXXX",

    "scope": "XXXX",

    "token_type": "Bearer",

    "expires_in": 2500

}

I want to replicate the same via a script include or any script  in the servicenow, so far i tried this to test in background script

    var request = new sn_ws.RESTMessageV2();

        request.setEndpoint("https://openapi.service.TEST.net/v1/token");

        request.setHttpMethod("GET");

        request.setQueryParameter("Content-Type", "application/json");

        request.setRequestHeader("client_id","XXXX");

        request.setRequestHeader("client_secret","XXXX");

        var response = request.execute();

        gs.print(response.getBody());

But the response i get is 

"requested resource not found"

[Lowestoft]

Hi @Kieran Anson , what type of application registry 

Create an OAuth API endpoint for external clients

Create an OAuth JWT API endpoint for external clients

Connect to a third party OAuth Provider

Configure an OIDC provider to verify ID tokens.

Connect to an OAuth Provider (simplified)

[Lowestoft]

Hi @Kieran Anson , what time of application registry 

Create an OAuth API endpoint for external clients

Create an OAuth JWT API endpoint for external clients

Connect to a third party OAuth Provider

Configure an OIDC provider to verify ID tokens.

Connect to an OAuth Provider (simplified)

[Lowestoft]

Hi @Kieran Anson , what type of application registry 

[Eshwar Reddy]

Hi @cloudv 

Please use below code to get the refresh token
 replace username and password with actual user name and password in code

var req = new sn_ws.RESTMessageV2();
req.setEndpoint("your_endpoint_here");
req.setHttpMethod("POST"); 
req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
req.setRequestBody("grant_type=password&username=" + username + "&password=" + password + "&client_id=" + clientid + "&client_secret=" + clientsecret);

var response = req.execute();
if (response.getStatusCode() == 200) {
var parsedResponse = JSON.parse(response.getBody());
var refreshToken = parsedResponse.refresh_token; 
}

Please mark this response as Correct and Helpful if it helps you can mark more that one reply as accepted solution

Thanks
Esh

[Lowestoft]

Hi Esh, We don't have password or username we are using client id and client secret