OpenYield Documentation

API references and connectivity specs for OpenYield trading, data services, and agentic access.

MCP Beta

Connect AI agents over MCP

Beta

Let Claude, ChatGPT and Gemini construct and maintain portfolios, place orders and pull live market data through the OpenYield Agentic API using MCP or REST APIs.

URLhttps://mcp-agentic.openyld.com

Connect an agent

ATS Core

ATS Subscriber Access

Trade directly on the OpenYield ATS with order workflows and institutional connectivity.

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FIX Specification

Institutional FIX connectivity for order routing, execution reports, and the real-time order book feed.

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Agentic REST / MCP API

Beta

Place, replace, cancel and monitor orders and fills over HTTPS, with live BBO. Build and Maintain Portfolios using AI Agents via MCP.

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Data Services

Data Subscription

Firm-order fixed-income data delivered over REST as a standalone data service.

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Data REST API

Explore our market data and bond APIs through interactive Scalar documentation.

Reference data
Price history (daily & intraday)
Analytics - price/yield, cashflows, curves
Market-wide tape - TRACE / MSRB

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