How do I verify my Facebook access token?
You can simply request https://graph.facebook.com/me?access_token=xxxxxxxxxxxxxxxxx if you get an error, the token is invalid. If you get a JSON object with an id property then it is valid. Unfortunately this will only tell you if your token is valid, not if it came from your app.
What can I do with Facebook access token?
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. When someone connects with an app using Facebook Login and approves the request for permissions, the app obtains an access token that provides temporary, secure access to Facebook APIs.
What is a debug token?
This endpoint returns metadata about a given access token. This includes data such as the user for which the token was issued, whether the token is still valid, when it expires, and what permissions the app has for the given user.
How do I use access tokens?
Access tokens are used in token-based authentication to allow an application to access an API. The application receives an access token after a user successfully authenticates and authorizes access, then passes the access token as a credential when it calls the target API.
How do I fix an expired token?
If you’re receiving the ‘Sorry, your token expired’ message repeatedly, even after following the above steps, please follow these steps:
- Clear the cookies and cache within the browser.
- Use a different internet browser.
- If you are using a mobile device for the password reset, try to use a desktop or laptop instead.
How do I handle expired access tokens?
Token Refresh Handling: Method 1
- convert expires_in to an expire time (epoch, RFC-3339/ISO-8601 datetime, etc.)
- store the expire time.
- on each resource request, check the current time against the expire time and make a token refresh request before the resource request if the access_token has expired.
What is Facebook token?
Facebook access token is an opaque string which is used to identify the user, application, or page and can be applied by the application to make graph API calls. Getting token for Facebook page is absolutely free.
How do I manage my tokens?
Here are some basic considerations to keep in mind when using tokens: Keep it secret. Keep it safe: The signing key should be treated like any other credential and revealed only to services that need it. Do not add sensitive data to the payload: Tokens are signed to protect against manipulation and are easily decoded.