From Facebook Developers Wiki

Contents 1 Description 2 Parameters 3 Example Requests 4 Example Return XML 5 Response 6 Error Codes 7 Notes

[edit] Description

This method returns the API methods to which access has been granted by the specified application.

[edit] Parameters

Required	Name	Type	Description
required	api_key	string	The application key associated with the calling application.
	sig	string	An MD5 hash of the current request and your secret key, as described in the How Facebook Authenticates Your Application.
	v	string	This must be set to 1.0 to use this version of the API.
	permissions_apikey	string	The API key of the application for which the check is being done.

[edit] Example Requests

Example Call Using the PHP Library $methods = $facebook->api_client->permissions_checkAvailableApiAccess(<permissions-api-key>);

[edit] Example Return XML

<?xml version="1.0" encoding="UTF-8"?> <permissions_checkAvailableApiAccess_response xmlns="http://api.facebook.com/1.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://api.facebook.com/1.0/http://api.facebook.com/1.0/facebook.xsd"> {‘admin.’} </permissions_checkAvailableApiAccess_response>

[edit] Response

The method returns an array of strings listing all methods/namespaces for which access is available.

[edit] Error Codes

Code	Description
1	An unknown error occurred. Please resubmit the request.
2	The service is not available at this time.
4	The application has reached the maximum number of requests allowed. More requests are allowed once the time window has completed.
5	The request came from a remote address not allowed by this application.
101	The API key submitted is not associated with any known application.
104	Incorrect signature.

[edit] Notes

• This method does not require a session_key or call_id. However, specifying a call_id does not cause any problems.
• Desktop applications cannot call this method.