Gemini Trust Company Trading API

Authenticated REST endpoints for placing and managing orders. Treat REST order placement as payload reference or a one-off server workflow; for active trading and market making, prefer WebSocket order.place.

Operations 4

POST /v1/prediction-markets/order Place order #
POST /v1/prediction-markets/order/batch Place a batch of orders #
POST /v1/prediction-markets/order/cancel Cancel order #
POST /v1/prediction-markets/order/batch/cancel Cancel a batch of orders #

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OpenAPI Specification

gemini-trust-trading-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Gemini Prediction Markets Trading API
  description: 'API for trading prediction market contracts on Gemini.


    **Note:** Only fields documented in this specification are considered stable. Undocumented fields in API responses may change or be removed without notice.'
  version: 1.0.0
  contact:
    name: Gemini API Support
servers:
- url: https://api.gemini.com
  description: Production
- url: https://api.sandbox.gemini.com
  description: Sandbox
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/gemini-trust/refs/heads/main/openapi/gemini-trust-trading-api-openapi.yml