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 OAuth authentication token to check.",
        "name": "oauth_token",
        "optional": "0"
      }
    ]
  },
  "errors": {
    "error": [
      {
        "_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 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": "Returns the credentials attached to an OAuth authentication token."
    },
    "name": "flickr.auth.oauth.checkToken",
    "needslogin": 0,
    "needssigning": 1,
    "requiredperms": 0,
    "response": {
      "_content": "<oauth>\n    <token>72157627611980735-09e87c3024f733da</token>\n    <perms>write</perms>\n    <user nsid=\"1121451801@N07\" username=\"jamalf\" fullname=\"Jamal F\"/>\n</oauth>"
    }
  },
  "stat": "ok"
}