Mastering OAuth 2.0

Chapter 7. Use Your Access Token

Up until this point in the book, we have spent all of our energy trying to obtain an access token. In the previous two chapters, we were able to obtain access tokens using both the implicit grant flow for our client-side example, and the authorization code grant flow for our server-side example.

In this chapter, we will finally use the access token we've been working so hard to obtain. We will do so by requesting access to protected resources on the service provider. In particular, we will use this access token to make API calls to Facebook's Graph API to get data that we can use to build our infographic.

Refresher on access tokens

Recall from the A closer look at access tokens section in Chapter 3, Four Easy Steps ...