Generate a JWT with Apex to call a web service from another system

Question

I develop an Apex class wich calls an web service from another system.

I need to use a JWT to make the authentication but I never used it, so I don't know how to do it.

I read the Salesforce documentation but I am not sure to understand what I esactly have to do.

Do you have an article which deals about it?

Thanks

score -2 · Answer 1 · answered Dec 18 '20 at 07:21

Just set the header with JWT when calling the web API. Here's some sample code that uses JWT in a http request.

HttpRequest req = new HttpRequest(); 
req.setEndpoint('https://reqres.in/api/users'); 
req.setMethod('GET');
req.setHeader('Authorization', 'Bearer ' + token);
Http http = new Http();
HttpResponse res = http.send(req); 
Map<String, Object> response;
if (res.getStatusCode() == 200 ) { 
  response = (Map<String, Object>)JSON.deserializeUntyped(res.getBody()); 
  System.debug('response: ' + response);
}
else {
  System.debug('Error');
}

Generate a JWT with Apex to call a web service from another system

1 Answers1