# Gemini Trust Company Combos API

**Canonical:** https://apis.io/apis/gemini-trust/gemini-trust-combos-api/  
**Provider:** Gemini Trust Company — https://apis.io/providers/gemini-trust/  
**Base URL:** https://api.gemini.com  
**Documentation:** https://developer.gemini.com/rest-api/rest-api

Gemini Trust Company Combos API is one of 20 APIs that [Gemini Trust Company](https://apis.io/providers/gemini-trust/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Combos. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Public endpoints for discovering and inspecting combo contracts, plus an authenticated endpoint to create or retrieve a canonical combo. Combos are multi-leg contracts; order entry uses the same place/cancel endpoints as single contracts.

## Operations (3)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/prediction-markets/combos` | List combo contracts |
| POST | `/v1/prediction-markets/combos` | Create or retrieve a canonical combo |
| GET | `/v1/prediction-markets/combos/{instrumentSymbol}` | Get combo by instrument symbol |

## Machine-readable artifacts (7)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/gemini-trust/refs/heads/main/openapi/gemini-trust-combos-api-openapi.yml
- **Documentation** — https://developer.gemini.com/rest-api/rest-api
- **APIReference** — https://developer.gemini.com/rest
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/gemini-trust/refs/heads/main/errors/gemini-trust-problem-types.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/gemini-trust/refs/heads/main/data-model/gemini-trust-data-model.yml
- **Documentation** — https://developer.gemini.com/rest-api/prediction-markets
- **APIReference** — https://developer.gemini.com/prediction-markets-spec

## Other Gemini Trust Company APIs (12)

- [Gemini WebSocket API](https://apis.io/apis/gemini-trust/gemini-websocket-api/)
- [Gemini MCP Server](https://apis.io/apis/gemini-trust/gemini-mcp-server/)
- [Gemini Trust Company Account Administration API](https://apis.io/apis/gemini-trust/gemini-trust-account-administration-api/)
- [Gemini Trust Company Clearing API](https://apis.io/apis/gemini-trust/gemini-trust-clearing-api/)
- [Gemini Trust Company Derivatives API](https://apis.io/apis/gemini-trust/gemini-trust-derivatives-api/)
- [Gemini Trust Company Fund Management API](https://apis.io/apis/gemini-trust/gemini-trust-fund-management-api/)
- [Gemini Trust Company Instant API](https://apis.io/apis/gemini-trust/gemini-trust-instant-api/)
- [Gemini Trust Company Margin Trading API](https://apis.io/apis/gemini-trust/gemini-trust-margin-trading-api/)
- [Gemini Trust Company Market Data API](https://apis.io/apis/gemini-trust/gemini-trust-market-data-api/)
- [Gemini Trust Company Markets API](https://apis.io/apis/gemini-trust/gemini-trust-markets-api/)
- [Gemini Trust Company OAuth API](https://apis.io/apis/gemini-trust/gemini-trust-oauth-api/)
- [Gemini Trust Company Orders API](https://apis.io/apis/gemini-trust/gemini-trust-orders-api/)

## Tags

Combos

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/gemini-trust/gemini-trust-combos-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/gemini-trust/.