ACTIVE Network Activity Search API v2
Read-only search over Active.com's public activity assets (events, races, tournaments, classes) with location, date-range, category, topic, and boolean-operator filtering. Returns JSON via HTTP GET; authenticates with a Mashery-issued api_key query parameter. A Kids variant scopes results to child-focused activities. Rate limited to 2 calls/second and 500,000 calls/day.