API Documentation
Public API reference for integrating with the OptiMystic Holdings marketplace. Base URL: https://optimh.com
Sections
Public
Authentication
Bidder (Authenticated)
Server-Sent Events
Programmatic API (v1) — API Key Auth
Authentication
Session cookies: Bidder auth uses omh_session (set at login). Admin auth uses omh_admin_session.
Rate limiting: All endpoints are rate-limited. Excessive requests return 429 Too Many Requests.
Content type: All JSON endpoints accept and return application/json.