Should help to get you going. They provide the information for the callback URL and how to configure the HTTP call to use the OAuth configuration.
That said, it would really help if we could see what your scenario looks like. If you provide screenshots of how you’ve set it up, how you’ve configured the various modules in your scenario, and the result of running that scenario (screenshots of the input and output bundles) then someone might be able to see the problem.
L
P.S. If you have no idea what I mean when I talk about input and output bundles and screenshots of the configuration, you might want to look at
Upwork does NOT have a webhook option. You cannot use a Custom Webhook’s URL with Upwork.
Follow the advice from the others provided above to connect using the HTTP Make an OAuth 2.0 request module, or use the Upwork community integration found here: https://www.make.com/en/integrations/upwork-community
P.S.: Did you know, the concepts of about 70% of questions asked on this forum are already covered in the Make Academy. Investing some effort into it will save you lots of time and frustration using Make later!