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Best FinTech APIs – The Ultimate List

September 2024

An Application Programming Interface or API is a powerful tool that makes your digital product even more interesting for current and potential users. We have prepared a list of FinTech APIs you can use, but first, let’s consider what an API actually is and how you can use it.

What are FinTech APIs?

An API is a connector between different applications that lets them safely connect and exchange data. The solution is popular in many industries, but we observe growing popularity in FinTech. Banking software development companies use APIs to enhance customers’ applications. By enabling API, many companies, especially those offering open banking apps, can provide significant value.

Benefits of using FinTech APIs are clear – from enabling third-party integration, ensuring security and compliance, through shorter time-to-market, ending with cross-platform availability. Naturally, you should first browse for API development services providers but in a nutshell, this is how it works – FinTech API broadens your perspective and market chances. 

How can you use FinTech APIs?

First, think of partnerships. Imagine what is missing in your product or how you can benefit by connecting your product with another application. Then, make sure to focus on core functionalities. With the help of your partner, you can create a whole new line of products, promotions, and offerings but ultimately both interconnected applications are what customers value the most. FinTech API can indirectly generate new revenue but it’s your applications that generate loyalty. 

If you’re not sure how to approach the topic, you can also browse the more general category: open banking solutions or check custom open banking development services. Specialists will help you find the right solution and integrate it into your product.

And now, let’s dive into the list. 

The list of FinTech APIs

51

SESAMm Text Reveal

50-249 Employees
Paris, France
Est. 2014
SESAMm is the leading provider of alternative data analytics tools for investing. Access the power of big data using AI-powered products and solutions.
Specialities
  • Stock Market Analysis
  • Artificial Intelligence
  • Hedge Funds
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52

Sila

50-249 Employees
Portland, United States
Est. 2016
Sila is a fintech software platform that provides payment infrastructure as a service, which allows businesses to build software that integrates with the US banking system and blockchain quickly, securely, and in full compliance with applicable US regulation.
Specialities
  • Developer Tools
  • Cryptocurrencies
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53

Synapsefi

50-249 Employees
San Francisco, United States
Est. 2014
Synapse provides payment, deposit, lending and investment products as APIs to FinTech companies who build and launch their financial innovations on top of our banking infrastructure.
Specialities
  • Bank Transfers
  • Next Day Payments
  • Cryptocurrency
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54

Validis

50-249 Employees
London, United Kingdom
Est. 2013
Validis provides a quick, easy, and secure way for small businesses to share their financial data with accounting firms and financial institutions. Our unique, cloud-based technology collects financial data from a business’s online or offline accounting application and automatically assembles the data into a set of standardized reports in minutes. The reports are viewable in our online portal and seamlessly integrate into your existing technologies.
Specialities
  • Data Analytics
  • Commercial Banking Technology
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55

Vela Ticker Plant

50-249 Employees
New York, United States
Est. 1997
The Vela Ticker Plant is a software-based feed handling solution providing ultra-low latency, normalized access to over 250 venues, with global coverage and support for all major asset classes. Delivered via a single, high-performance, flexible and unified API, all content is normalized to Vela’s Market Data Model and optimized to deliver data to latency-sensitive trading applications.
Specialities
  • Options Trading Software
  • Algorithmic Trading
  • Derivatives Trading Software
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56

Whizzapi

50-249 Employees
Warsaw, Poland
Est. 2004
The Banking API aggregator allows quick integration with all banking APIs in Europe using a single interface. Fast and optimal connection to banking APIs without the need to take care of implementation differences between banks.
Specialities
  • Business Process Automation
  • Online Banking
  • Business Applications
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57

XAI Validate

50-249 Employees
Adelaide, Australia
Est. 2015
We help lenders, brokers and FinTechs grow sales faster by delivering an instant picture of a customers’ financial position, so you can process loans in minutes – not weeks, without comprising on credit quality. XAI was built by lenders for lenders, so you can move as fast as a fintech, with the experience of a bank.
Specialities
  • Home Loan
  • Financial Services
  • FinTech
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58

Xignite

50-249 Employees
San Mateo, United States
Est. 2006
Xignite offers cloud-based marketdata solutions designed to enable companies to consume, centralize, distribute and optimize access to real-time market and reference data.
Specialities
  • Financial Web Services
  • Financial Technology
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59

Yapily

50-249 Employees
London, United Kingdom
Est. 2017
Yapily provides the infrastructure layer that powers the next wave of financial innovation by unlocking the power of Open Banking.

They connect to thousands of banks using a secure open API, removing the complexity and enabling seamless access to financial information and payment infrastructure.
Specialities
  • Open Banking
  • Open Finance
  • API
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60

Yolt Technology Services (YTS) API

50-249 Employees
Amsterdam, Netherlands
Est. 2016
Yolt Technology Services (YTS) is the leading open banking provider in Europe, building, managing, and maintaining Account Information Services (AIS) and Payment Initiation Services (PIS) connections for financial institutions and tech businesses.
Specialities
  • Account Information
  • Open Banking
  • Payments
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61

aplonHUB

10-49 Employees
London, United Kingdom
Est. 2014
PaymentComponents is a B2B solution provider for the Open Banking age. We build open and light software components that can transform your business. That is why we gathered the best designers, domain experts, and stellar engineers to help Banks and Financial technology companies become digital champions. Our Open Banking Components are the necessary ingredients for more than 60 Financial Institutions spread across 20 countries worldwide, and help them innovate and thrive in the digital space. Like pomegranate, secure and protected on the outside, yet ingeniously connected and rich in offerings in the inside.
Specialities
  • Cash Management
  • Treasury Management Systems
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62

Assembly

10-49 Employees
Santa Monica, United States
Est. 2017
Assembly’s payment APIs help businesses manage multiple payment workflows and move funds, so they can pay and get paid without delays.
Specialities
  • Employee Engagement
  • Performance Management
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63

Bayo Pay

10-49 Employees
Kota Damansara, Malaysia
Est. 2013
Bayo Pay (M) Sdn Bhd is a homegrown financial technology company regulated by Bank Negara Malaysia under the Payment System Act 2003 and a licensed entity by Mastercard as an issuer of Mastercard payment card in Malaysia.
Specialities
  • Mastercard Payment Network
  • Online and Mobile Platform
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64

Brick

10-49 Employees
Jakarta, Indonesia
Est. 2020
Brick is a banking infrastructure layer that provides fintech developers with the API keys they need to create easy and accessible experiences for their users. By delivering access to the financial system, we aim to empower innovators to build amazing products and solve big problems – democratising financial services in SouthEast Asia.
Specialities
  • Financial Service
  • FinTech
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65

CardSavr Platform Service

10-49 Employees
Seattle, United States
Est. 2014
Strivve exists today to enable card issuers to compete for online payment volumes, while simultaneously providing numerous improved customer experiences to their cardholders. Card issuers often achieve immediate increase in transaction volume and an ROI over 8-10 times the cost of Strivve. Strivve owns the trademark on “Top of Wallet” and we provide “Top of Wallet” solutions that 1) protect their card transaction volume (aka card use) and 2) compete for Top of Wallet status and increase usage across their cardholder base, yielding increased card transaction volume in various ways throughout the untimely cardholder journey. Strivve use robotic process automation and machine learning, with 2 issued patents and another in process, to “push provision” any form of payment credential to online retailers and billers alike. Strivve performs these from a “Stripe-like” or “PayPal-like” API platform, embedded within banking applications. However, Strivve transactions are NOT in the “payment transaction” proper like Stripe or PayPal are. Strivve pushes payment credentials (Cards, VCN, Tokens, ACH) to the retailer or biller AHEAD of the next purchase or payment to help enable the friction free card-on-file or stored-payment-method experience cardholders want and expect.
Specialities
  • Machine Learning
  • Financial Solutions
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66

Decentro

10-49 Employees
Singapore, Singapore
Est. 2020
Decentro is an automated, plug & play API platform to integrate with banks. With Decentro, it takes only a few weeks to complete banking integrations vs. months with legacy institutions. Our goal is to help you collaborate and partner with multiple banks through our platform.
Specialities
  • Core Banking
  • FinTech
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67

DirectID

10-49 Employees
Edinburgh, United Kingdom
Est. 2010
DirectID is all about unleashing the value of bank data for businesses. Join us today and start solving identity, affordability, credit risk and more. We offer end-to-end bank data solutions allowing your business to request, access, and start using customer bank data. We deal with the data collection and analysis, delivering the insights and value straight to you.
Specialities
  • Businesses Data
  • Customer Bank Data
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68

IF Connect Platform

10-49 Employees
London, United Kingdom
Est. 2019
IF Connect is a workflow and integration marketplace, enabling businesses access to a library of pre-built connections to financial service and compliance providers, alongside workflows to power the integrations. All available via a thoroughly modern API.
Specialities
  • Core Banking
  • Financial Management
  • FinTech
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69

Intrinio Financial Data API

10-49 Employees
St. Petersburg, United States
Est. 2010
Intrinio is a financial data partner powering innovators at financial institutions, startups, and universities by delivering high-quality data through cutting-edge tools designed for developers and engineers, via an automated data supply chain powered by advanced infrastructure and machine learning.
Specialities
  • Financial Data
  • Market Data
  • Valuation Analysis
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70

Kontomatik Banking API

10-49 Employees
Warsaw, Poland
Est. 2009
An API that allows financial institutions access customers’ banking activity
Specialities
  • Credit Scoring
  • Banking API
  • Data Aggregation
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71

Maestrano

10-49 Employees
London, United Kingdom
Est. 2014
Maestrano’s cloud-based platforms, used in the transportation, infrastructure and banking sectors, connect data and turn it into actionable insights to help manage business operations in new ways.
Specialities
  • Small and Medium Businesses
  • Cloud Computing
  • Business Marketplace
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72

Merge API

10-49 Employees
San Francisco, United States
Merge provides the tools to transform how B2B companies realize customer-facing integrations. With Merge’s Unified API, developers integrate just once and give their customers access to ~40 HR Information Systems (HRIS), Applicant Tracking Systems (ATS), and Accounting integrations. Merge takes charge of the entire lifecycle of integrations and adds new platforms every week. Merge has raised $4.5 million led by NEA, with angel investments from Greg Schott (former CEO of Mulesoft), Matthew Prince (CEO of Cloudflare), Tim Junio and Matt Kraning (Co-Founders of Expanse), and Ben Herman (CEO of Jumpstart). Merge was founded in 2020 by Shensi Ding and Gil Feig and is proudly built in San Francisco and New York City.
Specialities
  • Developer Tools
  • Integrations
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73

Nordigen

10-49 Employees
Riga, Latvia
Est. 2016
Freemium open banking API. Free access to banking data in Europe. Premium data insights.
Specialities
  • Artificial Intelligence
  • Risk Assesment
  • Financial Data Analytics
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74

Open Banking platform

10-49 Employees
North Sydney, Australia
Est. 2015
The Frollo Open Banking platform helps businesses collect and use Open Banking (CDR) data. It’s a complete solution for consent management and CDR data collection, with plug & play access to Open Banking powered products like ‘Statement of Financial Position’ and ‘Personal Finance Management. All available through SDK (including UI) and APIs.
Specialities
  • Open Banking
  • Personal Finance Management
  • Consumer Data Right
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75

Productfy

10-49 Employees
San Jose, United States
Est. 2018
Finally, a Unified API, Operations Dashboard, and UI Library, ​All-In-One, to Power Your Financial Application
Specialities
  • Financial Application
  • FinTech
  • Operations Dashboard
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76

Railz

10-49 Employees
Toronto, Canada
Est. 2018
Railz is building the largest financial data network for the future of finance. We aim to bridge the connection between future-thinking financial institutions and companies and their SMB customers’ financial data. Our Accounting Data-as-a-Service™ solution offers financial institutions and fintechs the ability to move fast through messy data – and make sense of it all. With our single API, get the financial data you need from major accounting and financial service providers. Get real-time accounting data, syncing, and analysis at your fingertips with Railz.
Specialities
  • SMB Lending
  • Data as a Service
  • Credit Unions
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77

RESTful JSON API

10-49 Employees
Berlin, Germany
Est. 2012
The Open Bank Project offers an easy-to-use RESTful JSON API. Connect in minutes and start using it.
Specialities
  • Open Banking Advisory
  • API Management
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78

SentiLink

10-49 Employees
San Francisco, United States
Est. 2017
SentiLink’s technology helps you detect and block synthetic identities, where the name, date of birth, and SSN don’t correspond to a single real person.
Specialities
  • Risk Analysts
  • Machine Learning
  • FinTech
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79

Sync by Paybook

10-49 Employees
Austin, United States
Est. 2011
Sync is a RESTful API that transforms raw financial data into an organized, easy-to-use, JSON format.
Specialities
  • Bank Connectivity
  • Transactional Data from Banks
  • Credit Cards
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80

The Ninth Wave Platform

10-49 Employees
New York, United States
Est. 2018
Ninth Wave enables financial institutions of all sizes to embrace open banking and open finance strategies, while protecting customers’ privacy and minimizing security and compliance risks. Our platform provides turnkey API connectivity controlled by the FI through a single, secure point of integration for apps, aggregators, and other software tools. It empowers financial institutions to seamlessly share permissioned data with the apps and solutions their customers’ prefer – personal financial management and wellness tools, ERP and accounting applications, wealth management and investment portals, tax prep software, and more. This eliminates the time and cost required for internal IT teams to build and maintain connections, while providing a clear path to eliminate screen scraping and its inherent risks.
Specialities
  • Open Finance
  • Wealth Management
  • Commercial Banking
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81

Treasury Prime

10-49 Employees
San Francisco, United States
Est. 2017
We build APIs that let both banks, and their corporate customers, automate their banking operations. Opening accounts, managing money, everything you need to do with your bank—automated.
Specialities
  • Money Management
  • FinTech
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82

UNU API

10-49 Employees
London, United Kingdom
Est. 2014
PaymentComponents is a B2B solution provider for the Open Banking age. We build open and light software components that can transform your business. That is why we gathered the best designers, domain experts, and stellar engineers to help Banks and Financial technology companies become digital champions. Our Open Banking Components are the necessary ingredients for more than 60 Financial Institutions spread across 20 countries worldwide, and help them innovate and thrive in the digital space. Like pomegranate, secure and protected on the outside, yet ingeniously connected and rich in offerings in the inside.
Specialities
  • Financial Messaging
  • Treasury Management Systems
  • Trade Finance
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83

vBoxxCloud

10-49 Employees
Den Haag, Netherlands
Est. 2012
vBoxxCloud is a business solution that helps manage company files.The extensive online dashboard allows users to see who has access to which folders. Users can keep track of who is connected to the cloud and manage access rights online. vBoxxCloud is available on mobile devices, laptops and desktops. If users have the same rights, they can access vBoxxCloud through the web browser, WebDAV and the Sync Tool.
Specialities
  • Cloud Services
  • Dedicated Servers
  • Backup Solutions
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84

WealthObjects

10-49 Employees
London, United Kingdom
Est. 2014
From an extensive suite of APIs to a customised end to end platform, WealthObjects has products to meet the needs of every type of financial institution. All of our products are created to be asset class, geography, currency and back-end system agnostic to provide maximum flexibility.
Specialities
  • Automated Wealth Management
  • Automated Online Investing
  • Digital Investing Business Model
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85

ApiGo

1-9 Employees
İstanbul, Turkey
Est. 2019
ApiGo enables users to manage, monitor, secure and analyze their APIs. The users can share their financial services with fintech and TPPs securely while being in accord with open banking regulations quickly and easily. The features of ApiGo provides the users: -Make Their API Traffic Scalable and Safe -Consent Management for Open Banking -Share Their Services With Developer Portal -Work in Compliance with Open Banking Standards (PSD2) -Support Berlin Group Standards -Support UK Open Banking Standards -Support Turkish Open Banking Standards -Strong API Management Solution
Specialities
  • Open Banking
  • Consent Management
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86

CryptoQokka

1-9 Employees
Mountain View, United States
Est. 2018
Building an opinion engine that empowers millions of businesses and billions of people to understand mass opinions in real time.
Specialities
  • Cryptocurrency Sentiment
  • Analytics
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87

Excel Price Feed

1-9 Employees
Brighton, United Kingdom
Est. 2015
Excel Price Feed is an Excel Add-in which brings live and streaming financial prices to Excel. The product includes connectors to Yahoo Finance, IG Index, Quandl and EODHistoricalData.com for live financial data. Excel Price Feed is distributed as an Excel Add-in and is fully integrated with Excel, providing a new tab in Excel, together with a comprehensive library of new Excel formulas. The Add-in provides real-time and streaming data for a variety of financial products including stocks, stock indices, commodities, currencies and cryptocurrencies. Customers are using Excel Price Feed for a variety of use cases including live portfolio valuation, investment idea analysis and trading strategy development.
Specialities
  • Financial Software
  • Trading Software
  • Excel Add-ins
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88

Fego.ai

1-9 Employees
Chennai, India
Est. 2020
Intelligent Open-Finance made simple. Capture what drives your users’ financial behaviour to drive growth.
Specialities
  • Personal Finance Management
  • Open Banking
  • Financial Data Aggregation
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89

Financial Data Aggregation API

1-9 Employees
Barcelona, Spain
Est. 2018
We built a technological layer where you can view and analyze the financial data of your clients in a safe, quick and easy way.
Specialities
  • Data Aggregation
  • Open Banking
  • Financial Services
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90

Financial Data APIs

1-9 Employees
Dorset, United Kingdom
Est. 2019
Quick & Easy Process with Finage APIs Grant your key, integrate it into your application, Connect & Start with one click and you’re ready to receive tailored secure real-time data with super low latency over TCP protocols. Real-Time & Affordable Our flexible pricing and usage model provide pay only for the data you use. We have developed Real-Time & Historical Data APIs with milliseconds of latency, and 2,500,000+ messages per second located in Amazon AWS Data Centers. Comprise & Wide Markets Financial Data, Bulk Historical Data and Widgets designed with multi-platform support. We covered international equities, mutual funds, options, cryptocurrency data – all in one API and/or web socket. Total market coverage, 55,000+ securities. For Everyone Finage offers the simplest way to build your application, whether you are a developer or business, with one click to deploy your platform and then run it easily with a single click.
Specialities
  • Financial Data
  • Cryptocurrency
  • FinTech
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91

Financial Modeling Prep

1-9 Employees
Neuilly-sur-Seine, France
Est. 2016
We are a financial statements API, a free stock API and a historical quotes API. Find all companies financial reports, company stock prices in Real-time.
Specialities
  • Stock Market
  • Financial Data API
  • Big Data
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92

Subledger

1-9 Employees
San Francisco, United States
Est. 2012
Subledger is a set of APIs that enables app developers to develop accounting functions in their apps.
Specialities
  • Business Performance Management
  • Business Intelligence
  • Accounting
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93

Tradefeedr

1-9 Employees
London, United States
Est. 2017
Connect to 16 of the largest FX liquidity providers, ECNs & trading platforms over a single Data API. Query your trading data, analyse & collaborate without friction.
Specialities
  • Big Data
  • Trading Analytics
  • Data Science
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94

UniBit

1-9 Employees
Cambridge, United States
Est. 2018
UniBit uses AI to deploy unique market data feeds for trading, analytics and applications.
Specialities
  • Artificial Intelligence
  • Financial Service
  • Data Analytics
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95

@Value 2016

Milano, Italy
Est. 2010
@Value: The only fully automated transactional based position keeping dedicated to Bloomberg Professional users.
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96

Repair Traq

Eagle, United States
Est. 2008
Repair Traq is a repair tracking that comes with customer management, repair slips printing, photo uploading, and searching capabilities.
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