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      • An access token is an opaque string that identifies a user, app, or Page and can be used by the app to make graph API calls. The token includes information about when the token will expire and which app generated the token. Because of privacy checks, the majority of API calls on Meta apps need to include an access token.
      developers.facebook.com/docs/facebook-login/guides/access-tokens/
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  2. A Page access access token is used to read, write, and modify the data belonging to a Facebook Page. To obtain a Page access token you need to start by obtaining a user access token then using the user access token to get a Page access token via the Graph API.

  3. Access Tokens in Facebook Login for the Web. At the end of the login process, an access token is generated. This access token is the thing that's passed along with every API call as proof that the call was made by a specific person from a specific app.

  4. Dec 3, 2021 · Getting a permanent page access key is now as simple as making a GET request with this key: curl -X GET "https://graph.facebook.com/{PAGE-ID}?fields=access_token&access_token={USER-KEY}" Replacing {PAGE-ID} with the numeric or textual ID of the page and {USER-KEY} with the key you generated earlier.

  5. Facebook has an option for getting long-lived access tokens for apps to avoid triggering Facebook's automated spam systems. Apps that: Have their own authentication system (use a username/password for example)

  6. Access Tokens. API authentication is handled through Access Tokens. Most endpoints require Page access tokens, which are unique to each Page, app User, and app, and have an expiration time. In order to get a token from an app User, the app User must own or be able to perform a Task on the Page.

  7. Login Security. The features of Facebook Login such as access tokens and permissions make it safe and secure for people and apps to use, but there are some security steps that apps need to implement themselves. Security Checklist. The App Secret. Secure Server-side Calls with appsecret_proof.

  8. You can use the Graph API Explorer to test any request for Users, Pages, Groups, and more. Visit the reference for each node or edge to determine the permission and access token type required. The Get Started with the Graph API guide introduces you to receiving data from Meta's social graph.