The Slim Framework is a micro framework designed to help developers to quickly create web applications and HTTP APIs in PHP. Slim's router is capable of mapping route callbacks to HTTP request methods and URIs. The router supports pattern matching and route segment parameters.
The Aviary Effects API that helps developers create their own Instagram recently made the API public and updated its developer portal. In addition, the company is offering a short-term developer contest, so you'll need to get going quickly.
The Mobpartner API allows this global affiliate marketing platform to monetize you unfilled traffic in over 200 countries. Working with advertisers, marketers and publishers, Mobpartner has both REST and S2S HTTP APIs. Mobpartner uses as CPA model that allows for CPS, CPL and CPI actions. Responses are XML, JSON and XHTML, or directly through an XML feed.
Here is an interview with Tammer Kamel, CEO and Co-Founder of Quandl.com. The Quandl API promises to make all numeric data on the internet easy to use. Quandl is a collaboratively-curated portal to over 3 million time-series datasets. Quandl’s long time goal is to make all the numerical data on the internet easy to find and easy to use.