The Yahoo! BOSS APIs (including PlaceSpotter) were shut down on March 31, 2016. Geoparser.io currently offers a free tier to get started.
Single purpose API
GeoJSON, HTTP, REST
Thirteen APIs have been added to the ProgrammableWeb directory in categories such as Location, Time Tracking, Weather, and Virtualization. One highlight today is the meteoblue API for graphical weather synopsis information for locations. Here's a rundown of the latest additions.
||The Clearbit Enrichment API integrates person lookup features that include name, location, and social handles. It is available in REST architecture with JSON format and SSL standard.||Business||10.05.2016|
||The JivoChat integrates chat features into Windows, Mac OS X, Android iPhone, and Web. Available in JSON architecture. Methods and functions include chatMode, getContactInfo, setUserToken, and...||Chat||10.04.2016|
||Stride is an API that functions as a managed real-time analytics system. This allows developers to construct networks based on these real-time streams for applications that can perform distincts...||Analytics||09.28.2016|
||The Neuron API integrates machine learning features such as keyword extraction, semantic relatedness, and sentiment analysis. It is available in HTTP requests with JSON architecture with token as...||Machine Learning||09.28.2016|
||The Wordsmith API is an instant publishing solution for a variety of bulk content such as articles, blogs, and reports. The RESTful API functions as a natural language generation tool that uses...||Natural Language Processing||09.27.2016|