API Network

Active Popular Activity SearchThe Active Popular Activity Search API provides data associated to endurance, team sports, youth camps, tennis leagues, parks & recreation, fitness, classes, outdoor adventure, and business events. This API requires a key, features JSON format, and it returns a list of the most popular activities in the world. ACTIVE.com is an online community revolving around people and the sport and recreational activities that they like to do.Fitness
Yahoo Create Consumer Key