Best Free Financial Data APIs
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Compare the Top Free Financial Data APIs as of October 2026
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What are Free Financial Data APIs?
Financial data APIs are application programming interfaces that provide developers and businesses with real-time or historical financial data, such as market prices, economic indicators, company fundamentals, and transaction records. They allow seamless integration of financial information into applications, dashboards, analytics platforms, and trading systems using standardized request/response protocols. These APIs often include features like authentication, rate limiting, and data formatting to ensure reliable and secure access to data from exchanges, banks, or data providers. Many financial data APIs support multiple asset classes, including equities, fixed income, commodities, FX, and crypto, enabling broad use cases across fintech and enterprise software. By abstracting the complexity of sourcing and normalizing diverse financial data, these APIs accelerate development and support data-driven decision-making. Compare and read user reviews of the best Free Financial Data APIs currently available using the table below. This list is updated regularly.
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1
BizAPIs
Infosistema
Do you spend time on manual processes that are rife with errors and increase costs? With BizAPIs, receive the information you can trust, structured and actionable, directly into your systems automatically! BizAPIs is a software as a service (SaaS) that offers aggregated information from multiple sources in seconds via API. Also available is data extraction from images, from any type of unstructured or handwritten document (invoices, contracts, proofs, certificates, etc.), with 100% accuracy and insurance SLAs and money-back guarantees! BizAPIs thus allows you to directly integrate information into procedural flows, without the need for validation or manual interventions and with the guarantee of a reliable source of data that has not been tampered with. Automation allows you to apply automatic validation and business rules to 100% of your processes! Gain speed, security and optimized user experiences (internal or external).Starting Price: 0,01€/call -
2
Boss Insights
Boss Insights
Boss Insights’ platform digitizes lending to grow relationships between banks and their business clients. Thanks to Amazon style advancement, there is a growing divide between lenders’ service and businesses’ expectations. Banks excel in regulation, however, operate with limited information on their business clients (out of date and gathered manually). Boss Insights’ API hub empowers lenders to bridge the divide. APIs are the most efficient way to digitize existing processes enabling accelerated service and a complete view in real time. The platform is used to accelerate SBA, SMB and Commercial Lending from months to minutes. It also supports cross-selling products empowering banks and credit unions to proactively serve customers. -
3
Plaid
Plaid
Plaid is a global fintech infrastructure platform that enables businesses and consumers to securely connect to financial data and services. Through APIs that connect to more than 12,000 financial institutions across 20+ countries, Plaid operates the world’s largest open banking data network. By removing the complexity of direct bank integrations, Plaid enables developers, financial institutions, and enterprises to build secure, user-friendly, and conversion-optimized financial products. Plaid powers payments, lending, identity verification, fraud prevention, and personal finance applications. Today, more than 100 million people worldwide, including half of U.S. adults, have relied on Plaid through their connections to over 7,000 apps and services.Starting Price: Free -
4
Twelve Data
Twelve Data
Twelve Data is a leading provider of financial market data, delivering an extensive range of real-time and historical data across multiple asset classes, including stocks, forex, cryptocurrencies, ETFs, indices, commodities, and futures. The company sources its data from over 250 exchanges worldwide, ensuring comprehensive coverage that serves the needs of traders, developers, and fintech organizations. Twelve Data is dedicated to making high-quality financial information widely accessible, offering affordable solutions that cater to both individual users and large-scale institutions. The company’s platform stands out for its versatility and advanced capabilities, providing users with technical indicators, fundamental data, and alternative datasets to support in-depth market analysis. Twelve Data prioritizes scalability and reliability, offering a suite of developer-friendly tools such as APIs, WebSockets, detailed documentation, and a sandbox environment for seamless integration. WithStarting Price: $29/month -
5
Sila
Sila
Sila is an end-to-end payment platform that provides Banking-as-a-Service through a developer-friendly payment API that is scalable and allows for fast and secure money transfers. Sila’s payment platform streamlines building and launching fintech apps and embedded payment products for financial products, fintech, crypto, and Web3. Sila’s offerings include Virtual Accounts, Digital Wallets, KYC/KYB, and ACH payments APIs for software teams. Additional functionality is available through a network of pre-approved and pre-integrated partners (to different degrees). Sila was recognized as the Best Payments as a Service Platform by the 2022 Embedded Banking Awards of Tearsheet. Sila is headquartered in Portland, Oregon. -
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Financial Modeling Prep
Financial Modeling Prep
Fast, accurate, and developer-friendly financial market data at an affordable price. Our API allows businesses to quickly unlock opportunities to meet their unique needs We cover over 70,000+ securities covered across 46 Countries data back 30+ years. We provide standardized and as-reported fundamentals for US-based publicly traded companies, real-time market data, ESG ratings and scores, ETFs and Mutual Fund Holding We are a free stock API | historical data API | financial statements API. We update our financial statements in real time, every statements is audited, standardized, and up to date. We cover NYSE and NASDAQ, AMEX. EURONEX. TSX. INDEXES. ETFs. MUTUAL FUNDS. FOREX. CRYPTO.Starting Price: $14 per month -
7
Nordigen
Nordigen
Free banking data & premium insights. All-in-one banking data API for building powerful banking, lending and finance apps. All-in-one API for account information, transaction categorization and insights.Starting Price: Free -
8
Market Data
Market Data
Download current and historical market data for stocks, options, futures, forex, indices, and more. Access data programmatically using the Market Data REST API or use the Google Sheets or Microsoft Excel Add-ons to download data into your spreadsheets. Designed for and built by active traders, Market Data is the only API/data solution that gives you everything you need: decades of financial data, backtesting, technical & fundamental analysis, and more. Get started free. No credit card required. The Google Sheets Add-On lets you add data queries directly in your formulas for real-time updating as the market moves. Get the data you need in whatever spreadsheet platform you use. Market Data offers CSV data downloads compatible with Excel, Numbers, Open Office, and more. Get prices (15+ years) directly into your spreadsheets with a simple formula.Starting Price: $9/month -
9
Finage
Finage
Financial data & solutions for everyone. Real-time Stock, Forex and Cryptocurrency market data via API, WebSocket & Widgets. Finage has more than 28.000+ symbols in real-time. We bring together everything that’s required to build financial applications that need Real-Time stock, forex and cryptocurrency data via APIs and WebSocket. You can reach more than 25.000+ U.S. stock data via Finage's Real-Time WebSocket and APIs. You can also use the 15-year Historical Data API for the U.S stocks as well. Finage offers more than 1300+ currencies in real-time & Historical Data API. Forex data all in one place, so you can access our full selection of data. We offer you more than 1500+ cryptocurrencies via API and WebSocket. Finage has the most popular cryptocurrencies as Real-time. Visuality is the best way to demonstrate complex data for easy understanding. Select custom widgets with different color schemes to best fit best on your platform. Available across most of popular platforms.Starting Price: $99 per month -
10
IEX Cloud
IEX Cloud
The easiest way to use financial data. Build and scale financial applications faster on IEX Cloud. The easiest way to build financial applications. Institutional grade data, including real-time and historical stock prices, fundamentals, forex, crypto and more - all in one API. Full U.S. market coverage, 95,000+ securities. Get open access to a range of datasets with one subscription. No need to lock into long-term contracts with a high upfront payment. Access datasets in minutes with one easy-to-use API, so you can focus on building. Essential financial data, all in one place. Get the data you need when and where you want it. No coding necessary. Access Premium Datasets sourced from a growing community of curated partners. Use your preferred implementation method to integrate seamlessly with other tools in your workflow. High-performance architecture built for rapid growth and enterprise scale. Our platform is reliable by nature so you can build more and worry less.Starting Price: $9 per month -
11
ForwardAI
ForwardAI
ForwardAI provides aggregated accounting and business data and is trusted by companies in 48 countries worldwide. ForwardAI’s technology makes it easy to gain more insight and control over financial information with a full suite of accounting data solutions for large enterprises like banks, lenders, and fintechs, as well as accountants, financial advisors, and small businesses. The Precise API facilitates modern enterprise and developer tech solutions, including powerful add-ons that proactively engage and retain business clients long-term. - Streamlined API with seamless white-label solutions - Connect with all leading accounting platforms - Process small business loan applications in seconds - Retain SME clients with engaging cash flow tools - Offer personalised loan options To learn more, visit ForwardAI.com.Starting Price: First 25 Companies Free -
12
lemon.markets
lemon.markets
Automate your trading, create your own services, or connect investing with existing interfaces. Start trading more than 8,000 global stocks and ETFs through our free paper environment today. Take your use case live with your dedicated securities trading account, provided through our licensed partner. Your API for stock trading and market data. An API that gives you the freedom to build any brokerage use case you can imagine. Docs that give you a head start. Stream historical and real-time market data. Integrate them into your brokerage use case. Easy peasy lemon squeezy. Place your orders against our REST-API. Simple, convenient, and flawless. Build your own brokerage experience with the lemon.markets API. Our state-of-the-art REST-API gives you the freedom to build a brokerage project that fits your personal needs. Build your own automated trading bot that places orders at the stock market. Monitor price developments and define your own buy or sell rules.Starting Price: €9.90 per month -
13
Spade
Spade
Spade’s API provides granular merchant, category, and geolocation details, using ground truth—not guesswork—to deliver exceptionally accurate results in real time. Leverage a ground-truth data network that matches transactions to actual merchant identities, instead of relying on scraping and speculation. Get complete, standardized data for >99.9% of merchants in the U.S., from nationwide chains to small local shops. Go beyond MCC and NAICs codes to precise spend categories and geographic coordinates, plus additional fields like logo, website, business hours, and customer spending histories. Have your transaction data processed, enhanced, and returned in under 50ms—well within card authorization windows and much faster than other enrichment engines. Get up and running quickly with a simple, turnkey integration that can be completed in under an hour.Starting Price: Free -
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Moneyhub
Moneyhub
Moneyhub is the applied AI and data intelligence engine behind personalised financial journeys for leading banks, pension providers, wealth managers and insurers. It aggregates, enriches and contextualises financial data in real-time, then turns that understanding into action, by enabling in-app insights, nudges and embedded payments, uniting the intelligence to understand a customer with the ability to act on it. The result: clients attract and retain customers, reduce operational costs, increase profitability, and improve financial wellbeing. Moneyhub is regulated by the FCA and certified to ISO 27001, underscoring its commitment to security, compliance and innovation.Starting Price: Free -
15
IQFeed
IQFeed
IQFeed is widely recognized as providing the most comprehensive service to traders at the best overall price. The data behind IQFeed is one of the fastest, most reliable data feeds available and is available for display in our built-in applications such as IQWatch Quote, Market Depth, News, Smart Market, or the DTN.IQ client. You can also choose from any of the compatible software listed on our site or develop your own software after registering as a developer. DTN IQFeed is also directly compatible with Microsoft Excel or OpenOffice free calc software using IQFeed's built-in DDE functionality. You can use our calculator to investigate various pricing options. Over 700 market stats/breadth indicators (TICK, TRIN, etc.), most of which update every 1 second. 180 calendar days of tick history (includes pre-post market) with microsecond timestamps (if available from the exchange feed). Historical data on exchanges and authorized data.Starting Price: $45 per month -
16
Massive
Massive
Massive is a market-data infrastructure platform built to provide real-time and historical financial data to developers, startups, and trading firms. It delivers institutional-grade market data across stocks, options, indices, currencies, and futures, all via a streamlined API, WebSocket, flat-file S3 access, or SQL query interface. The platform emphasizes low latency, direct connectivity to major exchanges (NYSE, NASDAQ, CBOE, OTC), and data normalization to eliminate survivorship bias and outdated pipelines. Massive positions itself as “modernizing Wall Street” by removing legacy bottlenecks and providing the same quality of market data typically reserved for large institutions, but now accessible to any app builder. The platform also includes extensive documentation, client libraries in Python, JavaScript, Go, and Java, tutorials, and example projects to accelerate integration.Starting Price: $29 per month -
17
EODHD
EODHD
EODHD is a financial data API platform that provides developers and analysts with access to a comprehensive range of global market data through a single, unified interface. It offers over 30 years of historical data along with real-time and intraday feeds across more than 60 stock exchanges, covering over 150,000 tickers, including stocks, ETFs, mutual funds, bonds, Forex pairs, and digital currencies. It delivers multiple types of datasets such as end-of-day prices, live OHLCV data, corporate actions like splits and dividends, financial news, technical indicators, macroeconomic data, and stock screeners, all accessible via REST APIs and WebSocket connections. It delivers multiple types of datasets such as end-of-day prices, live OHLCV data, corporate actions like splits and dividends, financial news, technical indicators, macroeconomic data, and stock screeners, all accessible via REST APIs and WebSocket connections.Starting Price: $19.99 per month -
18
Adanos
Adanos Software GmbH
Adanos is a market sentiment API aggregating retail investor and financial discussion from five sources into unified signals for stocks, ETFs, and crypto. Coverage spans 35,000 plus equities and ETFs across global exchanges, plus 5,000 plus cryptocurrencies. Sources: Reddit (wallstreetbets, stocks, investing, crypto subs), X cashtag conversations, 50 plus financial news publishers, Polymarket prediction markets, and crypto communities. Output includes a Buzz Score from 0 to 100, sentiment scores from minus 1.0 to plus 1.0, bullish and bearish percentages, mention counts, engagement metrics, daily trend history, and AI-generated explanations. Endpoints cover trending, per-ticker analysis, comparison, search, sector and country aggregation, and raw mentions on Professional tier. Delivered as REST API with JSON, plus a Finance Sentiment CLI for AI agents. Pricing: Free, Hobby at 29 USD per month, Professional at 299 USD per month. Built in Berlin.Starting Price: $29/month/user -
19
SiftingIO
SaltingIO LLC
SiftingIO is a financial market data API for developers, fintech teams, analysts and researchers building market-aware applications. It provides real-time quotes and streaming updates, historical OHLCV data, and reference datasets for U.S. stocks, forex, crypto, commodities and on-chain markets through REST and WebSocket interfaces. Other datasets include company fundamentals and financial statements, SEC filings, economic events, market hours and technical indicators. Go, Python and TypeScript SDKs, interactive API documentation, Excel and Google Sheets tools, downloadable data exports and an MCP server support common development and research workflows. A free tier is available for each market with usage limits; paid plans are priced by market and tier. Coverage and permitted use vary by market, plan and data licensing terms.Starting Price: $0/month -
20
SecFeed
SecFeed
SecFeed is a hosted API for searching and using SEC EDGAR data in applications, research workflows, and AI-assisted tools. It provides filing search, extracted 10-K and 10-Q sections, XBRL financial statements, insider transactions from Forms 3, 4 and 5, institutional holdings from Form 13F, ownership disclosures, and event data from Form 8-K. The API returns structured records linked to source filings and supports real-time filing streams and webhooks. Developers can use REST endpoints, Python and Node.js clients, an OpenAPI specification, and a hosted Model Context Protocol server for compatible AI clients. The service also exposes federal contracting opportunities and award data, including searches linked to public-company tickers. SecFeed is designed for developers, quantitative researchers, fintech products, and AI builders that need programmatic access to filings and related public-sector data.Starting Price: $19/month -
21
Extend
Extend
A simple, powerful tool for your existing business credit card. Instantly create secure virtual cards for employees, projects and vendors. The Extend App is the most convenient and secure way to send virtual credit cards to your network. Build the products of tomorrow. API enables developers with powerful virtual credit card capabilities. Leveraging Extend APIs, a leading online lender has partnered with a destination resort to offer additional payment options to guests. From upgrades to enhanced experiences, guests have an efficient and convenient payment option with access to an immediate, flexible term loan offering. Use our APIs to create new products for payment, lending, and more. An innovative insurtech utilizes Extend APIs to optimize payment operations. They’ve eliminated cash flow issues for doctors and benefit from automated reconciliation and credit card incentives. -
22
Railz
Railz.ai
Railz is building the largest financial data network by bridging the connection between future-thinking financial institutions and real-time accounting data. Railz accomplishes this through an API that connects financial institutions to all major accounting software solutions, such as QuickBooks, Xero, and Sage. We offer financial institutions (FIs) the ability to connect with account service providers, collect data, normalize and sanitize that accounting data, and analyze it. Railz enables on-demand access to financial transactions, analytics, insights and reports on small and medium business (SMB) customers. Whether you’re a lender, financial institution, accounting firm, auditor, or startup developer that requires financial data, we can make this a reality for you - and fast. -
23
TrueLayer
TrueLayer
TrueLayer is the leading technology company providing secure, global access to financial infrastructure. Developers use our APIs to build best-in-class products that securely access data and initiate payments in real-time. Founded in 2016, TrueLayer is connected to major banks across the world, backed by leading venture capital, and trusted by some of the biggest names in fintech including Monzo, Revolut, and Zopa. By making the power of open banking accessible through our platform, TrueLayer enables developers across any industry — from startups to enterprises — to reinvent financial services. TrueLayer is available in the UK, Europe and Australia. Easily integrate next-generation payments and financial data into any app. Build powerful products your customers love. Send and receive money on the fastest rails at the lowest rates with a first-class user experience. No cards. No fraud. No chargebacks. -
24
Spinwheel
Spinwheel
Embed consumer debt solutions in your application. Spinwheel makes it easy to offer full-featured debt use cases in your app, starting with student loans. Our APIs and drop-in modules are built to address the American debt crisis directly from users native financial habitats. All the components you need to offer full-featured student loan products. We do the heavy lifting to deliver complete, clean data, and layer on insights like loan priority scores. With Spinwheel, payments are embedded, so borrowers know what and when to pay, and can do it easily from your app. Our beautiful, white-label drop-in modules make it a snap to create compelling end user flows. User-permission connectivity to comprehensive data and complex functions enable your app to do almost anything a user can do at a loan servicer. Intuitive APIs, low-code modules, clear documentation, and outstanding support. Pay down or payoff, we make it easy to create a payment and apply it correctly. -
25
EOD Historical Data
EOD Historical Data
EOD Historical Data is a leading financial data provider based in Lyon, France. We offer comprehensive APIs for End-of-Day Historical Stock Market Data, Real-Time Data via WebSockets, and Fundamental Data for Stocks, ETFs, Mutual Funds, and Indices, and many more data feeds. Take advantage of our global data coverage from 70+ stock exchanges and experience reliable, accurate, and developer-friendly data solutions. 30+ years of data. We use several data providers to compare data against different sources and deliver the best. One-click API for all financial data you needs. Quick start with sample codes Excel/VBA, Google Sheets, Python, PHP, JAVA, C#, R, Matlab, and more.Starting Price: $19.99 -
26
Finicom
Finicom
Finicom is a no-code financial data automation platform that syncs real-time bank account data into Google Sheets, Notion, and Airtable. Designed for founders, finance teams, and solo professionals, Finicom makes it easy to build live dashboards, track spending, monitor business cash flow, and automate reports—without writing code or manually exporting CSVs. Connect your financial accounts once, and Finicom keeps your data flowing into your tools in real time. Ideal for budgeting, runway tracking, P&L views, and custom reports. 🔒 Secure. ⚡ Fast setup. 🧠 Built for clarity and control.Starting Price: $10/month -
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Financial Data API
Financial Data
Financial Data API provides end-of-day and intraday stock market data, company financial statements and ratios, insider and institutional trading data, sustainability data, earnings releases. Over 20 years of historical data available, including information on 17.000+ stocks, 20.000+ funds, 2000+ ETFs, 13.000+ OTC securities, and 200.000+ derivatives.Starting Price: $0 -
28
FlashAlpha
FlashAlpha
FlashAlpha is a pre-computed options analytics API for quant developers and systematic traders. One API call delivers live gamma exposure (GEX), volatility surfaces, dealer exposure, IV rank, and all 15 Greeks across 6,000+ US equities and ETFs — updated every 15 seconds. Unlike raw data providers, FlashAlpha pre-computes the entire analytics layer — eliminating data engineering overhead entirely. The only options analytics platform with a native MCP server, making live options data directly queryable by AI agents like Claude and Cursor. Free tier available. No credit card required. First API call in under 60 seconds.Starting Price: $63/month -
29
Hub-Equity
Hub-Equity
Hub-Equity turns the XBRL and iXBRL filings that listed companies submit to the SEC (US) and under ESEF (Europe) into standardized income statements, balance sheets and cash flow statements for 12,500+ issuers. US-GAAP and IFRS filers share one schema, so US and European companies compare line by line. Every value links to its source filing and fiscal period. Restatements are shown side by side: original value, restated value, and the filing that changed it. Three ways to use it: - Web: company pages, screener, cross-issuer comparison, Excel/JSON export. - REST API and Python SDK (pip install hub-equity), documented at docs.hub-equity.com. - MCP server for AI agents (Claude, Cursor, Continue): pull any figure with its source filing, time series and restatements. Every plan gets the same data and checks; price scales with throughput and tooling, never with data quality. The Free plan needs no card and never expires.Starting Price: Free -
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Fiskil
Fiskil
Fiskil Banking API enables businesses to add consent-based bank account connectivity to their own apps and services through a single API. It supports account linking and access to customer and business account details, real-time balances, liabilities, scheduled payments, payees and categorized transaction data. The API is intended for fintechs, lenders, banks, brokers and other businesses building financial products, including account aggregation, identity and income verification, affordability assessment, lending workflows and personal finance tools. Fiskil provides connectivity to financial institutions across Australia and New Zealand and manages the underlying bank integrations and consent flows, allowing product teams to use a unified interface rather than implement separate bank connections.Starting Price: Free
