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NEW: Prediction Markets API

One REST API for all prediction markets data
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Historical tick-by-tick data with nanosecond precise timestamps

T+1 raw stock market data delivered with a developer-friendly REST API. Serving IEX, Euronext and 40+ stock exchanges.
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11K+
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Companies
99.99
%
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SLA uptime
50
TB
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Historical market data
25
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Integrations in progress

Multi-Level Stock Market Data API

FinFeedAPI’s Stock API gives you T+1 equity market data from 40+ global stock exchanges, including IEX and Euronext, covering more than 11,000 listed companies. You get Level 1, Level 2, and Level 3 order book data with nanosecond-precision timestamps, making it easy to backtest strategies or analyze intraday liquidity. Historical depth depends on the exchange but supports long-range research and compliance needs.
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What data will you get?

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Historical stock prices
T+1 equity price data for 11,000+ symbols across supported exchanges.
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Tick-by-tick event data
Every market message includes nanosecond-level timing based on the raw exchange feed.
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Trade data
Full trade records including price, size, timestamp, and trade condition flags.
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Level 1 data - Quotes
Best bid/ask, sizes, and timestamps for any supported symbol.
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Level 2 data - Price Level Book
Aggregated depth-of-book data showing liquidity across multiple price levels.
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Level 3 data - Order Book
Complete order book with individual orders instead of aggregated levels.
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Administrative messages
Trading status, auction information, short-sale restrictions, directory updates, and other regulatory signals.
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System-level exchange events
Session markers, including system open, market open, market close, and full-session boundaries.
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OHLCV time-series data
Candle data in ascending order with support for all periods listed in your OHLCV periods endpoint (seconds, minutes, hours, days, months, years).

MCP support for simple integration

FinFeedAPI supports the Model Context Protocol (MCP), an open standard that makes our financial data easy for AI systems to understand and use.

This gives LLMs, agents, and automated tools direct access to stock, FX, prediction market, and SEC data without manual integration work.

Other benefits include:

  • AI-ready data: AI models can use FinFeedAPI data right away — no extra tools or special setup
  • One place to access everything: All FinFeedAPI products use the same MCP protocol.
  • Fewer mistakes: Clear data schemas help catch errors early, making your AI tools more stable
  • Automatic Updates: New data and endpoints show up instantly in your AI tools. No code changes needed.

With the Stock API developers can:

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Access all exchanges through one API
No need to manage separate feeds — everything arrives in one format.
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Cut development time with a unified data schema
All market data types use the same JSON structure.
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Rely on correctly ordered market events
Nanosecond timestamps keep quotes and trades in the correct sequence.
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Run analytics without manual cleaning data
Data comes normalized and indexed, removing the need to clean raw feeds or patch missing fields.
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Query only the data they need
Filter by symbol, date, message type, or event category.
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Support advanced use cases with full market depth
Level 1, Level 2, Level 3, trades, and admin messages all available together.

Use cases

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Use case: Trading platforms

Trading platforms need comprehensive reference data beyond price feeds, but developers struggle with fragmented sources and complex APIs, forcing them to either integrate costly enterprise solutions or build custom infrastructure from scratch.

Learn how we solved that
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