Gainsight PX REST API
The Gainsight PX REST API — the one Gainsight surface with a published machine-readable contract. Swagger 2.0, 59 paths, 74 operations, 93 definitions, covering users, accounts, custom events, engagements, features, segments, survey responses and the product-analytics event streams (page view, session, identify, form submit, feature match, segment match, email, engagement view). Harvested verbatim from Gainsight's own documentation host on 2026-09-17.