Best Financial Data APIs Software for Startups
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Compare the Top Financial Data APIs Software for Startups as of October 2025
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What is Financial Data APIs Software for Startups?
Financial data APIs software enable the interaction with financial applications in order to access transaction and payment information. Compare and read user reviews of the best Financial Data APIs software for Startups currently available using the table below. This list is updated regularly.
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1
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 -
2
B2i
B2i Technologies, Inc.
B2i Technologies provides the most robust and versatile tools to manage your Corporate website, Investor Relations website and email communications. Our Investor Relations Software solutions work through automation and implements into existing systems with ease in only a few steps. Our solutions not only help you stay compliant but save valuable time while reporting and delivering critical financial data and press release activities to investors. B2i's Investor Relations Solution provides highly reliable and customizable data for corporate websites including press releases, stock data, charting, and SEC filings within SOX compliance standards. Our investor relations software displays real-time data on your website without requiring additional work on your behalf. Once you have completed your filings and press releases they are automatically loaded onto your website and formatted for easy access.Starting Price: $125 per month -
3
OANDA
OANDA
Providing accurate, reliable FX Data for over 31 years, FX Data Services is where OANDA started out. Our flagship product, the Online Currency Converter serves millions globally while our Historical Currency Converter and Exchange Rates API help multinationals streamline their business processes with FX and Digital asset data that is trusted by the Big4 audit firms and thousands of businesses globally Key Features of OANDA Exchange Rate API: Real-time exchange rates from over 170 currencies, sourced from multiple liquidity providers Comprehensive historical data for strategic planning and trend analysis Flexible integration for easy compatibility with any platform Dedicated support to ensure seamless implementation and long-term success Trusted by the Big4 Audit Firms and Thousands of businesses globally.Starting Price: $450.00/month -
4
MindCloud
MindCloud
MindCloud is a software company that builds and maintains custom connections between your software and other platforms so you can eliminate manual data entry and start automating and scaling your business. As technology continues to advance, the modern business owner is using more and more online software tools to manage their business. MindCloud creates a seamless flow from one software platform to the next, saving time and money by connecting your software and automating your business process. We have over 50 prebuilt connectors and can add new connectors within 2-3 weeks of starting a project. What makes us different is we provide a full service that doesn't take extra technical resources on your end. We specialize in Salesforce, Hubspot, Monday.com, QuickBooks, Method:CRM, Zapier, Amazon, Ebay, Groupon, Mercado Libre, HSN, Airtable, Google Sheets and many others. Integrate your business. Simplify your life.Starting Price: $625/month -
5
SBS Banking Platform is a flexible, cloud-native solution that empowers financial institutions to scale on their terms while delivering seamless, digital-first experiences - anytime, anywhere. A fully integrated, front-to-back platform, it drives innovation across retail, corporate, and neobanking sectors. From digital and open banking to deposits, payments, lending, and compliance, our platform enables financial institutions across EMEA to stay ahead of the curve. Trusted by top-tier banks, SBS Banking Platform is recognized by industry leaders, including Gartner, Forrester, NelsonHall, and IBS, for its transformative impact. Recent recognition by Omdia for digital banking, Chartis for regulatory reporting, and NelsonHall for Cloud, SaaS & BPaaS underscores our commitment to excellence.
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6
XL Feeds
XL Feeds
XL Feeds is an Excel Add-In that displays in Excel live stock prices, fx rates and several other market quotes for worldwide financial securities delivered from various providers - such as Yahoo Finance. The live quotes may represent true real time data or incorporate a time delay of up to 15 minutes, depending on the market segment and the provider. It also displays historical data that can go back several decades with a frequency ranging from daily to by-minute. The XL-Feeds Add-In is not SAAS. It is installed locally on the client's pc and does not depend on external servers, except for the process of fetching the live quotes from the servers of the selected live feed providers. Its operation requires a license that is paid only once and lasts for a lifetime.Starting Price: $48 one-off -
7
Finicity
Mastercard
Finicity’s open banking platform makes connecting your customers’ financial data to your app or service simple. Finicity’s open banking platform is being used by some of the largest and most innovative organizations in the world to empower their customers with better financial experiences. Data quality is essential to your experience. Our data is battle tested in the most rigorous markets. Easily code to endpoints, test data and connect to Finicity’s open banking platform for leading API coverage of banks, credit unions, payroll providers and other financial services. Our suite of APIs makes it easy to access the data you need to power your products. -
8
Kinective Bridge
Kinective
With Kinective Bridge™ (formerly OmniConnect), easily connect your core with best-of-breed fintechs to scale digital transformation, modernize operations, and increase client delight. Transformation sounds great on paper, but hard to make a reality with legacy tech stacks and outdated infrastructures. The hassle of switching cores or burning through in-house dev hours to integrate systems can be a slow, time-consuming process. To thrive in today’s modern, digitally-focused world, you need one connection to scale your transformation efforts quickly and securely. Kinective has the connections you need. Our Kinective Bridge™ (formerly OmniConnect) solutions give you control by bridging the gap between legacy systems and modern digital services through 80+ turnkey fintech integrations across 99% of US-based cores. -
9
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. -
10
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 -
11
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. -
12
Instant Bank Verification
MicroBilt
Instant Bank Verification provides real-time, user-permissioned financial data aggregation and verification designed for lenders. What you can do with IBV? Verify users’ identities and reduce fraud. Verify real-time account balances. Understand income and verify employment. Access detailed transaction history. Verify borrowers’ assets straight from the source. Add flexible pricing - where you only pay for services when you use them - and IBV stands apart as a right-sized solution for your loan originations. Ideal for retail loan origination, short term lending, auto financing, property rental, and more. IBV is powered by an easy to integrate web portal that can be added directly to your existing website or a fully documented API. To better understand how IBV works, check out the demo on our website. -
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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 -
14
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 -
15
Digitap.ai
Digitap.ai
Digitap's AI-powered FinTech API platform empowers banks & FinTech with a comprehensive suite of solutions. Our onboarding suites (Aadhaar & PAN verification) streamline customer acquisition & ensure compliance (especially in India). Leverage alternative data (mobile data, bank statements) for user profiling & risk assessment with advanced fraud detection. Become an Account Aggregator enabler & facilitate secure data sharing. Deliver exceptional experiences with our PFM platform. We also simplify digital onboarding & verification for any online business, ensuring secure identity & financial profile checks. Partner with Digitap & unlock the future of FinTech!Starting Price: $.01/month/user -
16
OANDA Exchange Rate API
OANDA
Providing accurate, reliable FX Data for over 31 years, FX Data Services is where OANDA started out. Our flagship product, the Online Currency Converter serves millions globally while our Historical Currency Converter and Exchange Rates API help multinationals streamline their business processes with FX and Digital asset data that is trusted by the Big4 audit firms and thousands of businesses globally Key Features of OANDA Exchange Rate API: Real-time exchange rates from over 170 currencies, sourced from multiple liquidity providers Comprehensive historical data for strategic planning and trend analysis Flexible integration for easy compatibility with any platform Dedicated support to ensure seamless implementation and long-term success Trusted by the Big4 Audit Firms and Thousands of businesses globally.Starting Price: $450.00/month -
17
Flinks
Flinks
Flinks is the creator of a powerful no-code platform and financial data APIs that make it easy and efficient for your team to build with financial data. Trusted by millions of individuals accessing financial services at world-class companies, our purpose is to make the struggles of open banking a thing of the past. Flinks’ products at-a-glance: Enrichment — Get actionable insights on financial data for credit, fraud, and behavior; Connectivity — Let users connect their bank accounts to your products; Outbound — Deliver a winning Open Banking program. Flinks also supports financial service providers across industries and sizes — from consumer and commercial lending, payments, digital banking, fintech, to wealth management, we power different use cases and enable financial innovation for you and your customers. -
18
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 -
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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 -
20
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 -
21
Loansifter
Optimal Blue
Mortgage brokers win more business with the Loansifter PPE, your gateway to hundreds of investors and thousands of products. Loansifter is the only PPE that supports best execution searches across 120+ wholesale investors, allowing leading brokers to stay competitive and confidently execute profitable lending strategies. Gain access to rates in a matter of minutes via an immediate, self-service set up—no demo required. The Loansifter PPE calculates BESTX™ product eligibility and pricing for financing scenarios across more than one hundred investors and thousands of products—in just seconds. With a single click, you can view a complete price grid and guidelines for more than 120+ wholesale investors. Save even more time by establishing your own search criteria defaults or through a direct LOS integration with Calyx Point®. The features available in the Loansifter PPE significantly improve workflow efficiencies and give you the confidence to quote the best execution, every time. -
22
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 -
23
Codat
Codat
Codat helps banks build deeper connections with business customers. We offer products that make it easy to access, synchronize and interpret data from customers’ financial software for specific use cases, such as onboarding suppliers to commercial card programs and underwriting business loans. Codat is used by the largest banks in the world to grow share of wallet, reduce churn & scale their operations. We are backed by leading investors including JP Morgan, Canapi Ventures, Shopify, Plaid, Tiger Global, PayPal Ventures, Index Ventures and American Express Ventures.Starting Price: Free Trial -
24
Intrinio
Intrinio
Intrinio is a full-service financial data provider with a focus on serving the B2B market from startups to enterprise level customers. Intrinio offers introductory price points and data subscription packages to scale, making it still affordable and accessible for developers and quants. If you go to our website and sign up or chat the team, you can get an account, API keys, and trial the data within minutes. Intrinio offers trials, monthly and annual pricing, fully customer support, and co-marketing. Our data is backed by an expert team and infrastructure that is light years ahead of our competitors. By focusing on foundational data products such as stock market data, esg and fundamentals, we're able to provide high-quality data, cutting-edge tools, and premium support to our clients. We are experts in XBRL, standardization, licensing, customization, tools, and support.Starting Price: $150/month -
25
FullCircl
FullCircl
FullCircl is a B2B SaaS company that aligns regulation with customer acquisition to boost business efficiency. It’s global solutions enhance revenue growth, manage risk and compliance and streamline customer onboarding – reducing acquisition costs and fostering positive customer relationships. With millions of actionable insights delivered daily, FullCircl offers a near real-time record of companies, officers, and shareholders, while simplifying due diligence checks like KYB, KYC and AML to elevate experiences across the entire customer journey. FullCircl is an nCino company (NASDAQ:NCNO), bringing together people, AI and data to power a new era in regulated business.Starting Price: £1500 -
26
UniBit
UniBit
UniBit is your single source for all financial information. By leveraging our technologies in NLP, ML, and cloud computing, we deliver the most advanced and comprehensive market data to you faster, easier and more accessible than ever. UniBit designs and deploys unique data feeds for your team to make better decisions. Explore our market search engine that indexes all important market insights for you. We customize market insights exclusive to each client. UniBit Terminal helps you manage your data assets like no other system. No need for coding and technical expertise, you can design and deploy your own information streams in just a few clicks. From identifying market opportunities to mitigating risk, UniBit helps you build an analytics project in days that used to take weeks. Build your own data feed and customize your API. Integrate it with any application with ease. Take ownership of your data assets. Instantly download them with a click of a button.Starting Price: $199 per user per month -
27
Finnworlds
Finnworlds
Finnworlds is a real-time and historical financial data vendor that aims to develop user-friendly APIs with seamless integration in various programming languages (JSON, Python, Scala, PHP, Java, C#, Rust, Strest, Ruby, etc.) and cutting-edge downloadable databases. The state-of-art tech tools serve as key data delivery methods of the local (US) and global coverage of company and financial data. Finnworlds maintains a portfolio of the following data products: general company information, financial statements including balance sheets, cash flow and income statements, SEC filings, 70+ financial ratios, 100+ stock technical indicators, analyst ratings, ETFs, mutual funds, stock identifiers, macro trend and stock search trends. The data users are of diverse background including fintech start-ups, universities, freelance developers, quantity investment firms, financial institutions, research firms, professionals or novices in trading or investing, consulting firms and many more.Starting Price: $99 per month -
28
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 -
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finAPI
finAPI
finAPI is a secure and easy-to-use platform to connect companies, banks, and individual users. Our open banking API gives companies the possibility to access and analyze account data or even initiate payments on behalf of customers. We also offer support to banks and financial service providers with an XS2A server, which delivers a PSD2-compliant banking interface for TPPs. finAPI is flexible, adaptable, and always ready for the next challenge. We can help you to create innovative financial services that deliver real added value for you and your customers. Having easier access to data smooths innovation and process optimization. finAPI’s data intelligence modules enable comprehensive analysis of financial data including categorization, various cash flow, and risk reports as well as contract recognition. Data enrichment, artificial intelligence, and machine learning algorithms ensure the highest data quality and the best possible results.Starting Price: €250 per month -
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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