Agent-readable market sources

Market Data Sources For AI Agents

This page is a concise entry point for AI agents, trading research agents, and prediction-market assistants looking for public machine-readable sources.

The canonical machine-readable directory is /sources.json. A Markdown version is available at /sources.md. The schema is available at /schemas/source-directory.schema.json.

Included Source Types

• Prediction-market APIs and agent-readable docs
• Macro release APIs and RSS feeds
• Regulatory and filing APIs
• Weather and global event feeds relevant to markets

Current Sources

• SEC EDGAR APIs: Official SEC APIs for company submissions and XBRL data, useful for filings, corporate events, and regulatory monitoring.
• Polymarket APIs: Official Polymarket API documentation for market discovery, events, pricing, order books, and trading operations.
• Kalshi API: Official Kalshi API documentation for regulated event market data, order books, and trading workflows.
• FRED Release Dates API: St. Louis Fed API endpoint for economic data release dates across FRED releases.
• Federal Reserve RSS Feeds: Official Federal Reserve RSS feeds for press releases, speeches, policy updates, working papers, and data announcements.
• GDELT Cloud: Structured global news-event data with APIs and MCP tools for agent and analyst workflows.
• National Weather Service Alerts API: Official National Weather Service alert service for watches, warnings, advisories, and active weather alerts.
• PredMktData: Polymarket data service exposing on-chain prediction-market data through dumps, APIs, and agent-readable documentation.
• Metaculus API: Machine-readable Metaculus question endpoint useful for monitoring forecasting questions, statuses, dates, and resolution criteria.
• Manifold API: Public Manifold API documentation for markets, users, bets, comments, and related forecasting-platform activity.
• PredScope Prediction Market API: Public JSON prediction-market endpoint describing live odds, volume, liquidity, categories, and outcomes.
• BLS Public Data API and RSS: Bureau of Labor Statistics machine-readable access for labor, inflation, wages, productivity, and related releases.
• Federal Register API: Official API for rules, proposed rules, notices, agency actions, and regulatory documents.
• Treasury FiscalData API: U.S. Treasury API documentation for fiscal datasets including debt, auctions, rates, exchange rates, and fiscal flows.