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Introduction

GMO Coin provides a Public API that does not require authentication and a Private API that requires authentication using an API key.

Key Features​

  • Secure Communication: All requests from the client to the API use HTTPS communication
  • Trading Support: Only Spot and Margin trading are supported
  • Multiple Languages: Code examples provided in 10+ programming languages

API Types​

Public API​

  • No authentication required
  • Access to market data, ticker information, order books, and trade history
  • Free to use for all users

Private API​

  • Requires authentication with API key and secret
  • Access to account information, trading, and order management
  • Rate limits based on trading volume

Supported Languages​

Code examples are available in the following languages:

  • Node.js (v21.0.0+)
  • Python (3.12.0+)
  • Go (1.21.3+)
  • Ruby (3.2.2+)
  • PHP (8.2.11+)
  • Kotlin (1.9.10+)
  • C# (.NET Framework 8.0.1+)
  • Rust (rustc 1.73.0+)
  • Haskell (ghc 9.8.1+)
  • Swift (5.8.1+)

Next Steps​

  1. Create an API Key - Learn how to set up API access
  2. Understand Endpoints - Learn about available API endpoints
  3. Authentication Guide - Learn how to authenticate your requests
  4. Rate Limiting - Understand API usage limits