CoinAPI

CoinAPI EMS Trading API

CoinAPI's Execution Management System (EMS) is a unified, multi-exchange crypto trading API that lets institutional traders, market makers, and builders place, modify, and cancel orders across many connected venues from a single normalized interface. Available over REST, WebSocket, and FIX, the EMS handles credential vaulting, order routing, position and balance retrieval, and execution reporting.

GitHub

Other Resources

🔗
Landing Page
https://www.coinapi.io/products/ems-api
🔗
FAQ
https://www.coinapi.io/products/ems-api/faq
🔗
Guide
https://www.coinapi.io/blog/maximize-trading-potential-ems-trading-api-guide

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API entry from apis.yml

apis.yml Raw ↑ 
aid: coinapi:ems-trading-api
name: CoinAPI EMS Trading API
tags:
- Cryptocurrency
- EMS
- Execution Management
- FIX
- Order Management
- REST
- Trading
- WebSocket
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
humanURL: https://www.coinapi.io/products/ems-api
properties:
- url: https://www.coinapi.io/products/ems-api
  type: Landing Page
- url: https://www.coinapi.io/products/ems-api/faq
  type: FAQ
- url: https://www.coinapi.io/blog/maximize-trading-potential-ems-trading-api-guide
  type: Guide
description: CoinAPI's Execution Management System (EMS) is a unified, multi-exchange crypto trading API
  that lets institutional traders, market makers, and builders place, modify, and cancel orders across
  many connected venues from a single normalized interface. Available over REST, WebSocket, and FIX, the
  EMS handles credential vaulting, order routing, position and balance retrieval, and execution reporting.
x-features:
- Single normalized order schema across many exchanges
- REST, WebSocket, and FIX support
- Credential vault for per-exchange API keys
- Real-time order, fill, and position updates
- Suitable for high-frequency and algorithmic strategies
x-use-cases:
- Aggregate liquidity across exchanges in a single trading client
- Run smart-order-routing or arbitrage strategies
- Centralize execution reporting and TCA across venues
- Bridge legacy FIX trading systems to crypto markets