flickrex

{
  "arguments": {
    "argument": [
      {
        "_content": "Your API application key. <a href=\"/services/api/misc.api_keys.html\">See here</a> for more details.",
        "name": "api_key",
        "optional": 0
      },
      {
        "_content": "The type of subscription. See <a href=\"http://www.flickr.com/services/api/flickr.push.getTopics.htm\">flickr.push.getTopics</a>.",
        "name": "topic",
        "optional": "0"
      },
      {
        "_content": "The url for the subscription endpoint (must be the same url as was used when creating the subscription).",
        "name": "callback",
        "optional": "0"
      },
      {
        "_content": "The verification mode, either 'sync' or 'async'. See the <a href=\"http://pubsubhubbub.googlecode.com/svn/trunk/pubsubhubbub-core-0.3.html#subscribingl\">Google PubSubHubbub spec</a> for details.",
        "name": "verify",
        "optional": "0"
      },
      {
        "_content": "The verification token to be echoed back to the subscriber during the verification callback, as per the <a href=\"http://pubsubhubbub.googlecode.com/svn/trunk/pubsubhubbub-core-0.3.html#subscribing\">Google PubSubHubbub spec</a>. Limited to 200 bytes.",
        "name": "verify_token",
        "optional": "1"
      }
    ]
  },
  "errors": {
    "error": [
      {
        "_content": "One of the required arguments for the method was not provided.",
        "code": "1",
        "message": "Required parameter missing"
      },
      {
        "_content": "One of the arguments was specified with an illegal value.",
        "code": "2",
        "message": "Invalid parameter value"
      },
      {
        "_content": "The verification callback failed, or failed to return the expected response to confirm the un-subscription.",
        "code": "4",
        "message": "Callback failed or invalid response"
      },
      {
        "_content": "A subscription with those details exists already, but it is in a pending (non-verified) state. Please wait a bit for the verification callback to complete before attempting to update the subscription.",
        "code": "6",
        "message": "Subscription awaiting verification callback response - try again later"
      },
      {
        "_content": "No subscription matching the provided details for this user could be found.",
        "code": "7",
        "message": "Subscription not found"
      },
      {
        "_content": "SSL is required to access the Flickr API.",
        "code": 95,
        "message": "SSL is required"
      },
      {
        "_content": "The passed signature was invalid.",
        "code": 96,
        "message": "Invalid signature"
      },
      {
        "_content": "The call required signing but no signature was sent.",
        "code": 97,
        "message": "Missing signature"
      },
      {
        "_content": "The login details or auth token passed were invalid.",
        "code": 98,
        "message": "Login failed / Invalid auth token"
      },
      {
        "_content": "The method requires user authentication but the user was not logged in, or the authenticated method call did not have the required permissions.",
        "code": 99,
        "message": "User not logged in / Insufficient permissions"
      },
      {
        "_content": "The API key passed was not valid or has expired.",
        "code": 100,
        "message": "Invalid API Key"
      },
      {
        "_content": "The requested service is temporarily unavailable.",
        "code": 105,
        "message": "Service currently unavailable"
      },
      {
        "_content": "The requested operation failed due to a temporary issue.",
        "code": 106,
        "message": "Write operation failed"
      },
      {
        "_content": "The requested response format was not found.",
        "code": 111,
        "message": "Format \"xxx\" not found"
      },
      {
        "_content": "The requested method was not found.",
        "code": 112,
        "message": "Method \"xxx\" not found"
      },
      {
        "_content": "The SOAP envelope send in the request could not be parsed.",
        "code": 114,
        "message": "Invalid SOAP envelope"
      },
      {
        "_content": "The XML-RPC request document could not be parsed.",
        "code": 115,
        "message": "Invalid XML-RPC Method Call"
      },
      {
        "_content": "One or more arguments contained a URL that has been used for abuse on Flickr.",
        "code": 116,
        "message": "Bad URL found"
      }
    ]
  },
  "method": {
    "description": {
      "_content": "Why would you want to do this?\n<br><br>\n<i>(this method is experimental and may change)</i>"
    },
    "name": "flickr.push.unsubscribe",
    "needslogin": 1,
    "needssigning": 1,
    "requiredperms": "1"
  },
  "stat": "ok"
}