Gemini ships standardized sports taxonomy for predictions API, giving developers a common language for event contracts

Gemini just made it meaningfully easier for developers to build on top of its prediction markets. The exchange released a standardized sports market taxonomy through its Predictions API, introducing a structured classification system that organizes sporting events by sport type, market family, and participant details. The practical upshot: instead of reverse-engineering what a prediction contract is actually about by parsing its title or ticker, developers can now query clean, structured data. What the taxonomy actually does At the core of the release is a new sportsMarket object. Think of it as a standardized label that gets attached to every sports prediction event on the platform. The object includes several key fields: sport, type, subject, and scope, with an optional metric field for more granular filtering. These aren’t just cosmetic tags. They’re the building blocks for any developer trying to create trading tools, data dashboards, or automated strategies on top of Gemini’s prediction markets. The market family classifications cover the full spectrum of what sports bettors would recognize: moneyline, spread, total, prop, and futures. Coverage spans major sports including bas...