flickrex

{
  "stat": "ok",
  "method": {
    "response": {
      "_content": "<sizes canblog=\"1\" canprint=\"1\" candownload=\"1\">\n    <size label=\"Square\" width=\"75\" height=\"75\" source=\"http://farm2.staticflickr.com/1103/567229075_2cf8456f01_s.jpg\" url=\"http://www.flickr.com/photos/stewart/567229075/sizes/sq/\" media=\"photo\" />\n    <size label=\"Large Square\" width=\"150\" height=\"150\" source=\"http://farm2.staticflickr.com/1103/567229075_2cf8456f01_q.jpg\" url=\"http://www.flickr.com/photos/stewart/567229075/sizes/q/\" media=\"photo\" />\n    <size label=\"Thumbnail\" width=\"100\" height=\"75\" source=\"http://farm2.staticflickr.com/1103/567229075_2cf8456f01_t.jpg\" url=\"http://www.flickr.com/photos/stewart/567229075/sizes/t/\" media=\"photo\" />\n    <size label=\"Small\" width=\"240\" height=\"180\" source=\"http://farm2.staticflickr.com/1103/567229075_2cf8456f01_m.jpg\" url=\"http://www.flickr.com/photos/stewart/567229075/sizes/s/\" media=\"photo\" />\n    <size label=\"Small 320\" width=\"320\" height=\"240\" source=\"http://farm2.staticflickr.com/1103/567229075_2cf8456f01_n.jpg\" url=\"http://www.flickr.com/photos/stewart/567229075/sizes/n/\" media=\"photo\" />\n    <size label=\"Medium\" width=\"500\" height=\"375\" source=\"http://farm2.staticflickr.com/1103/567229075_2cf8456f01.jpg\" url=\"http://www.flickr.com/photos/stewart/567229075/sizes/m/\" media=\"photo\" />\n    <size label=\"Medium 640\" width=\"640\" height=\"480\" source=\"http://farm2.staticflickr.com/1103/567229075_2cf8456f01_z.jpg?zz=1\" url=\"http://www.flickr.com/photos/stewart/567229075/sizes/z/\" media=\"photo\" />\n    <size label=\"Medium 800\" width=\"800\" height=\"600\" source=\"http://farm2.staticflickr.com/1103/567229075_2cf8456f01_c.jpg\" url=\"http://www.flickr.com/photos/stewart/567229075/sizes/c/\" media=\"photo\" />\n    <size label=\"Large\" width=\"1024\" height=\"768\" source=\"http://farm2.staticflickr.com/1103/567229075_2cf8456f01_b.jpg\" url=\"http://www.flickr.com/photos/stewart/567229075/sizes/l/\" media=\"photo\" />\n    <size label=\"Original\" width=\"2400\" height=\"1800\" source=\"http://farm2.staticflickr.com/1103/567229075_6dc09dc6da_o.jpg\" url=\"http://www.flickr.com/photos/stewart/567229075/sizes/o/\" media=\"photo\" />\n</sizes>\n"
    },
    "requiredperms": 0,
    "needssigning": 0,
    "needslogin": 0,
    "name": "flickr.photos.getSizes",
    "description": {
      "_content": "Returns the available sizes for a photo.  The calling user must have permission to view the photo."
    }
  },
  "errors": {
    "error": [
      {
        "message": "Photo not found",
        "code": "1",
        "_content": "The photo id passed was not a valid photo id."
      },
      {
        "message": "Permission denied",
        "code": "2",
        "_content": "The calling user does not have permission to view the photo."
      },
      {
        "message": "Invalid API Key",
        "code": 100,
        "_content": "The API key passed was not valid or has expired."
      },
      {
        "message": "Service currently unavailable",
        "code": 105,
        "_content": "The requested service is temporarily unavailable."
      },
      {
        "message": "Write operation failed",
        "code": 106,
        "_content": "The requested operation failed due to a temporary issue."
      },
      {
        "message": "Format \"xxx\" not found",
        "code": 111,
        "_content": "The requested response format was not found."
      },
      {
        "message": "Method \"xxx\" not found",
        "code": 112,
        "_content": "The requested method was not found."
      },
      {
        "message": "Invalid SOAP envelope",
        "code": 114,
        "_content": "The SOAP envelope send in the request could not be parsed."
      },
      {
        "message": "Invalid XML-RPC Method Call",
        "code": 115,
        "_content": "The XML-RPC request document could not be parsed."
      },
      {
        "message": "Bad URL found",
        "code": 116,
        "_content": "One or more arguments contained a URL that has been used for abuse on Flickr."
      }
    ]
  },
  "arguments": {
    "argument": [
      {
        "optional": 0,
        "name": "api_key",
        "_content": "Your API application key. <a href=\"/services/api/misc.api_keys.html\">See here</a> for more details."
      },
      {
        "optional": "0",
        "name": "photo_id",
        "_content": "The id of the photo to fetch size information for."
      }
    ]
  }
}