Testing Web API functionality with Fiddler

I am developing a c# web api application. I am trying to test the /Token (login) and the ChangePassword action. I was able to simulate the /Token request and get the access_token from the response. However, I am unsure of how to use fiddler to test the ChangePassword action. If I just pass the OldPassword, NewPassword and ConfirmPassword, I get an unauthorized error, which makes sense as I have AuthorizeAttribute set as a GlobalFilter. It seems like I have to somehow pass the access_token as well. My question is how do I pass the access_token with the other fields?

Solution

I've never used Fiddler for that, but if it's a restful service I would just use Postman (free Chrome extension) or a similar restful client. In Postman you just fill out the URL, click the Headers button and fill out 2 form fields (header/value) to add the access_token to the request.

Good luck

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