# Futu OpenAPI

**Canonical:** https://apis.io/apis/futu/futu-openapi/  
**Provider:** Futu — https://apis.io/providers/futu/  
**Base URL:** https://openapi.futunn.com  
**Documentation:** https://openapi.futunn.com/futu-api-doc/en/

Futu OpenAPI is published by [Futu](https://apis.io/providers/futu/) on the [APIs.io](https://apis.io/) network.

Programmatic trading and market-data API for global markets, options, futures, crypto and event contracts. Proprietary Protocol Buffers protocol spoken over TCP to a locally run OpenD gateway (default 127.0.0.1:11111) that proxies to Futu's servers; official SDKs for Python, Java, C#, C++ and JavaScript.

## Machine-readable artifacts (4)

- **Protobuf** — https://raw.githubusercontent.com/api-evangelist/futu/refs/heads/main/grpc/futu-protobuf-index.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/futu/refs/heads/main/conventions/futu-conventions.yml
- **Idempotency** — https://raw.githubusercontent.com/api-evangelist/futu/refs/heads/main/conventions/futu-conventions.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/futu/refs/heads/main/apis.yml

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