Alternatives to Marketstack

10 alternatives

  1. 1Financial Data Feeds, Financial Data APIs

    Polygon.io

    Financial Data Feeds

    Financial market data platform offering real-time and historical data for stocks, options, indices, currencies, and futures. Provides unlimited API access via REST, WebSockets, and SQL with direct exchange connectivity and <20ms latency.

    Real time market data streaming via websocketDirect exchange connectivity and colocation

    Price$29+ / month

  2. 2Financial 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

  3. 3Financial 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

  4. 4Financial Data Feeds, API Documentation

    Alpha Vantage

    Financial Data Feeds

    Free stock market data APIs offering realtime and historical quotes, technical indicators, forex, commodities, cryptocurrency feeds, and AI-powered market sentiment analysis in JSON and CSV formats.

    Free planReal-Time AnalyticsTime Series Analytics

    Price$49.99+ / month

  5. 5Financial 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

  6. 6Financial 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

  7. 7Financial Data Feeds, API Documentation

    Tradier

    Financial Data Feeds

    A full-featured, customizable trading platform with enhanced trading features and capabilities for active traders. Offers stock, options, and ETF trading through web, mobile, and API-based platforms with integration to 100+ investor platforms.

    Free planTiered plansAPI DocumentationFounder / CEO

    Price$10+ / month

  8. 8Financial 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
  9. 9Financial 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

  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