Simple API

The Simple API is a very simple interface to access lots of public data from Vimeo. You can get data via JSON, XML, and serialized PHP. You do not need a to register your application to use the Simple API.

Full documentation on the Simple API

Advanced API

The Advanced API is more complicated than the Simple API, but you can get a lot more data from it. You will need to register your application to use the Advanced API. If you want to test out the Advanced API, head over to the Sandbox.

Full documentation on the Advanced API
Version 2 Changes

oEmbed

oEmbed is an open standard for embedding videos or images into a website. You can use the Vimeo URL of any video to easily get the embed code for that video. You do not need to register your application to use oEmbed.

Full documentation on oEmbed

Moogaloop

Moogaloop is the name for Vimeo's video player. You can control some of the Moogaloop functionality through Javascript. It is also possible to embed Moogaloop in Flash.

Full documentation on Moogaloop