The Mailjet Symfony PHP SDK by KNP Labs allows developers to integrate the Mailjet API into their applications built with Symfony 2, a PHP web framework. This SDK was primarily built to handle the API's event tracking methods.
The semantic text mining Alchemy API is now a member of the API Billionaires Club. The service, which makes sense of raw unstructured data, averages 65-75 million requests per day, according to Alchemy's Elliot Turner. That brings the monthly count above 2 billion API requests.