Twilio has launched the Message Feedback API which monitors when end users receive messages. The API tracks actions that indicate when a message was received and reports the action back to Twilio. In turn, Twilio can tweak its services and delivery to adjust for network variances across the globe.
Here is an interview with Brandon Wirtz, CTO of the very exciting text mining API startup Stremor.com. We have covered Stremor here before. Liquid Helium API is the core of all Stremor's products and it extracts information about sentence and paragraph structure, word usage, parts of speech, grammar, writing style, punctuation, and author bias. Stremor also has a new kind of search engine called Samuru based on it's language APIs.
Our API directory now includes 45 SEO APIs. The newest is the SEOlytics API. The most popular, in terms of mashups, is the Google AdSense API. We list 77 Google AdSense mashups. Below you'll find some more stats from the directory, including the entire list of SEO APIs.