This is an unofficial Pinterest API. Pinterest is a pinboard-style photo sharing website that allows users to create and manage theme-based image collections such as events, interests, hobbies, and more. Users can browse other pinboards for inspiration, 're-pin' images to their own pinboards, or 'like' photos. (Credits to http://pinterestapi.co,uk for the user-specific Pinterest APIs).
Tagdef.com is the worlds largest hashtag dictionary. Use this api to access these definitions. The content is user-generated, and the directory currently contains over 60.000 definitions. The hashtags can have many definitions each, ordered by user-votes. The hashtags are often related to Twitter , but is also commonly used on Pinterest and Google+ . This API is free to use, but you must provide a clickable link back to the tagdef.com page for the given tag when using information from the API. This link can be found in the uri part of the reply.