The OpenX PHP SDK by OpenX allows to interact with the API, offering code to install via Zend framework, authenticate, and use. Zend is available for download at http://framework.zend.com/downloads/latest#ZF2
Music video content provider MTV recently announced that its Content API is out of private beta and available to the general public. Available as part of a new MTV Networks Developers Tools web site, the RESTful API gives access to content from MTV, VH1, CMT and Logo. The API supports a variety of open standards including OpenSearch and MediaRSS for data results (see our new MTV API profile for more details).