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Alternatives to Polygon.io

10 alternatives

  1. 1Financial Data Feeds

    Databento

    Financial Data Feeds

    Market data API platform providing real-time and historical data access for equities, futures, options, and more through a single integration.

    Historical market data accessMulti language client libraries

    Price$179+ / month

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  2. 2Financial Data Feeds, Financial Data APIs

    Marketstack

    Financial Data Feeds

    REST API delivering real-time, intraday, and historical stock market data for 30,000+ global tickers with EDGAR filings access, commodity prices, and 15+ years of historical data in lightweight JSON format.

    Free planTiered plansFinancial Data APIsAPI Documentation

    Price$9.99+ / month

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  3. 3Financial Data Feeds

    Twelve Data

    Financial Data Feeds

    Financial data APIs providing real-time and historical market data for stocks, forex, crypto, ETFs, and commodities with unified APIs, WebSocket, and SDKs.

    Free planFree trialTiered plansReal-Time AnalyticsAPI Usage Analytics

    Price$29+ / month

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  4. 4Financial Data Feeds

    Intrinio

    Financial Data Feeds

    Normalized financial data API for AI-powered finance. Real-time stock prices, options, fundamentals, and estimates with LLM-optimized feeds and no exchange fees.

    Corporate actions and events dataAI ready normalized datasets for llm integration

    Price$150+ / month

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  5. 5Financial Data Feeds, Financial Data APIs

    Finnhub

    Financial Data Feeds

    Real-time RESTful APIs and Websocket for stocks, currencies, and crypto with institutional-grade fundamental and alternative data.

    Free planTiered plansFinancial Data APIsESG Analytics

    Price$11.99+ / month

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  6. 6Financial Data Feeds

    EOD Historical Data

    Financial Data Feeds

    Developer-first financial data API platform providing real-time, historical, and end-of-day market data for stocks, ETFs, funds, and forex with 45+ APIs, SDKs, and AI integrations across 60+ exchanges.

    AI agent integration via mcp serverCompany fundamentals and economic indicators

    Price$19.99+ / month

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  7. 7Financial Data Feeds

    Xignite

    Financial Data Feeds

    Cloud-based financial market data provider offering tailor-made data products with flexible delivery formats and pricing. Serves banks, asset managers, fintechs, and financial institutions with real-time and historical data across equities, fixed income, derivatives, and more.

    Qx digital platform for institutional workflowsCompliance and audit support
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  8. 8Financial Data Feeds, Financial Data APIs

    Tiingo

    Financial Data Feeds

    A financial research platform dedicated to creating innovative financial tools for all.

    Real time equity market data streamingCryptocurrency market data with multi exchange aggregationForex and fx market data

    Price$30+ / month

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  9. 9Financial Data Feeds

    Kaiko

    Financial Data Feeds

    The leading provider of cryptocurrency market data, analytics, and indices, offering institutional-grade, regulatory-compliant solutions for institutional investors, financial services firms, and regulators.

    Real time and historical crypto market data feedsFair value pricing and asset valuation analytics

    Price$1,000+ / month

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  10. 10Financial Data Feeds, Financial Data APIs

    API3

    Financial Data Feeds

    Decentralized API services and first-party oracle protocol connecting blockchain apps to web APIs.

    Multi chain data feed supportOev rewards mechanismCost based pricing model

    PriceUsage-based

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