Industry vertical

Fintech

Consumer and SMB-facing financial products built API-first.

245 providers 1404 APIs

Fintech on the APIs.io network indexes 245 providers publishing 1404 APIs across this industry vertical.

Notable providers include Polygon, Paystack, Stripe, Adyen, dLocal, Temenos, and 239 more — each profile links out to that provider’s APIs, schemas, and governance artifacts.

Related industries: Payments, Financial Services, Retail & E-Commerce, and Human Resources. Browse every industry vertical at industries.apis.io.

About this industry

The API-native side of finance — fintechs offering payments, lending, cards, savings, investing, crypto on-ramps, and embedded finance. Distinct from Financial Services in being product-first rather than infrastructure-first.

Providers (245)

Provider	Description	APIs	Rating
Polygon	Polygon (Polygon.io, rebranded as Massive in early 2026) provides real-time and historical market data APIs across US stocks, options, indices, forex, cryptocurrencies, and futu...	7	exemplar
Paystack	Paystack is an African payment processor (acquired by Stripe in 2020) that lets businesses accept payments in Nigeria, Ghana, South Africa, Kenya, Côte d'Ivoire, and Egypt acros...	14	exemplar
Stripe	Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes.	57	exemplar
Adyen	Adyen is a global payment company that provides businesses with a single platform to accept payments from customers worldwide. Their technology enables companies to accept a wid...	30	strong
dLocal	dLocal (NASDAQ: DLO) is a Uruguay-headquartered emerging-markets payment infrastructure platform connecting global merchants with billions of consumers across 60+ countries in L...	9	strong
Temenos	APIs for Temenos banking and financial services platform, providing cloud-native, cloud-agnostic, API-first banking solutions including core banking, digital banking, payments, ...	15	strong
Block	Block, Inc. is a global technology company building economic empowerment tools through a family of products including Square (commerce and payments), Cash App (personal finance ...	1	strong
Moniepoint	Moniepoint is Africa's all-in-one financial platform for small and medium-sized businesses and individuals — Nigeria's largest merchant acquirer, with about 10 million business ...	14	strong
Efí Pay (Gerencianet)	Efí Pay (formerly Gerencianet) is a Brazilian fintech and Banco Central-licensed payment institution headquartered in Belo Horizonte, Brazil. It provides a developer-first payme...	6	strong
Tamara	Tamara is the Saudi Arabia–headquartered MENA shopping and Buy-Now-Pay-Later platform offering Shariah-compliant split-payment and Pay-Now solutions across Saudi Arabia, the Uni...	8	strong
Cellulant	Cellulant is a pan-African payments platform headquartered in Nairobi, Kenya, operating across 35 African countries. Its flagship product Tingg is a single API that lets busines...	3	developing
Flutterwave	Flutterwave is a pan-African payment infrastructure company providing the rails for businesses to accept, send, and manage money across Africa and globally. The Flutterwave for ...	6	developing
Bloom Credit	Bloom Credit is a fintech infrastructure company providing API access to consumer credit data from all three major credit bureaus (Equifax, Experian, TransUnion). The platform e...	1	developing
Paymob	Paymob is a Cairo-headquartered, licensed payment infrastructure provider for the MENAP region. Serving roughly 390,000 merchants across Egypt, Saudi Arabia, the United Arab Emi...	5	developing
Interswitch	Interswitch is Nigeria's foundational digital payments and transaction-switching company, founded in 2002 and regulated by the Central Bank of Nigeria. It owns the Verve card sc...	12	developing
Upvest	Upvest is a Berlin-based API-first investment infrastructure provider that enables banks, brokers, and wealth managers to build and launch investment experiences through a singl...	1	developing
Truework	Truework operates a unified income and employment verification platform for mortgage lenders, credit unions, and fintechs. The Truework API orchestrates six verification methods...	5	developing
Lean Technologies	Lean Technologies is a Middle East Open Banking and Open Finance infrastructure provider founded in 2019 and headquartered in the UAE. Lean offers regulated Account Information ...	11	developing
Kushki	Kushki is an Ecuador-headquartered LatAm fintech operating as a regional non-banking acquirer for the Andean and Pacific Alliance markets — Ecuador, Colombia, Peru, Chile, Mexic...	8	developing
Splitit	Splitit is a credit card installment platform that enables merchants to offer shoppers the ability to split existing credit card purchases into monthly installments without requ...	7	developing
TaxJar	TaxJar is a sales tax automation platform, now a Stripe company, providing APIs for real-time sales tax calculations, rooftop-level rate lookups, transaction recording, and auto...	1	developing
Yapily	Yapily is a UK-headquartered Open Banking platform that exposes a single REST API across 2,000+ banks in the UK and 18+ European countries. The platform provides AISP (Account I...	9	developing
Airwallex	Airwallex is a financial technology company that specializes in providing global payment solutions for businesses. Their platform enables companies to accept payments, manage mu...	6	developing
Tabby	Tabby is the MENA region's largest buy-now-pay-later (BNPL) provider, founded in 2019 by Hosam Arab (ex-Namshi) and Daniil Barkalov, originally in Dubai and now headquartered in...	4	developing
Conekta	Conekta is a Mexico-based payment processor that lets businesses accept credit and debit cards, OXXO cash vouchers, SPEI bank transfers, Apple Pay, Google Pay, and Buy Now Pay L...	1	developing
MX Technologies	MX Technologies is a financial data connectivity platform that provides REST APIs for account aggregation, data cleansing, transaction categorization, and open banking connectiv...	6	developing
Primer	Primer is a payment orchestration platform that enables merchants to build flexible payment flows across multiple processors through a single REST API integration. The platform ...	1	developing
Togai	Togai is a metering and billing platform for software and SaaS products, purpose-built for consumption-based and usage-based pricing models. The Togai API provides programmatic ...	1	developing
Alloy	Alloy is a New York-based identity decisioning platform that helps banks, credit unions, and fintechs onboard, monitor, and protect customers across KYC, KYB, AML, fraud, credit...	1	developing
EOD Historical Data	EOD Historical Data (EODHD) provides institutional-grade financial data through a REST API at https://eodhd.com/api covering 150,000+ tickers across 60+ global exchanges. The AP...	1	developing
Mercado Pago	Mercado Pago is the payments and financial-services arm of Mercado Libre, Latin America's largest e-commerce and fintech platform. Founded in 2003, it processes a substantial sh...	29	developing
Basiq	Basiq is an Australian open banking and financial data API platform providing unified access to bank account data and enrichment services. It enables fintechs, lenders, and fina...	1	developing
Pinwheel	Pinwheel is the leading payroll connectivity platform providing a REST API for direct deposit switching, income verification, employment history, and tax form retrieval from 1,8...	1	developing
Debbie Collect	Debbie (Debbie Collect, operated by Intellitech Systems A/S) is an AI-driven SaaS platform that automates debt collection and accounts receivable management. Companies, collecti...	2	developing
Fonoa	Fonoa is a global indirect tax automation platform that connects the full indirect tax lifecycle on one platform, serving enterprises across 100+ countries and jurisdictions. Th...	5	developing
Alpha Vantage	Alpha Vantage provides a single REST market-data API at https://www.alphavantage.co/query exposing 100+ functions across stocks (intraday/daily/weekly/monthly time series, globa...	1	developing
CoinGate	CoinGate is a cryptocurrency payment gateway providing REST APIs for creating and managing payment orders, processing crypto-to-fiat conversions, automating payouts, managing me...	1	developing
Vantiv	Vantiv was a leading American payment processing and technology provider that merged with Worldpay in 2018, forming Worldpay from FIS. Vantiv provided integrated payment process...	3	developing
TIAA	TIAA (Teachers Insurance and Annuity Association of America) is a leading provider of financial services in the academic, research, medical, cultural, and government fields. Ori...	4	developing
Temenos Transact	Core banking APIs from Temenos Transact, providing comprehensive banking functionality including accounts, transactions, payments, loans, and customer management.	4	developing
Teller	Teller is a unified banking API providing real-time access to bank accounts, transactions, balances, identity data, and payment initiation across US financial institutions. Conn...	1	developing
Visa Acceptance	Visa Acceptance Solutions (powered by CyberSource) is the developer platform for accepting payments online, in-person, and via mobile. The platform provides REST APIs for paymen...	3	developing
Forest Admin	Forest Admin is an ops orchestration platform and internal tool builder that enables operations and compliance teams to manage data, workflows, and business processes through a ...	1	developing
Alliance Data Systems (Bread Financial Holdings)	Alliance Data Systems Corporation (ADS) was a Plano/Columbus-based financial and marketing services holding company built in 1996 from the merger of J.C. Penney's credit card pr...	6	developing
Decentro	Decentro is a banking-as-a-service platform that provides businesses with seamless integration to Indian banking infrastructure - including payments (UPI, IMPS, NEFT, RTGS), vir...	4	developing
Alpaca	Alpaca is an API-first commission-free stock and crypto trading broker offering trading, market data, options, and broker-as-a-service APIs. Alpaca publishes its OpenAPI specifi...	4	developing
Sandbox Banking	Sandbox Banking (now nCino Integration Gateway) is an Integration Platform as a Service (iPaaS) purpose-built for financial institutions. The platform enables banks and credit u...	2	thin
Tradier	Tradier is a brokerage platform offering REST and WebSocket APIs for trading US equities, options, and futures, plus market data and account-opening services. The Tradier Broker...	2	thin
Mangopay	European payment infrastructure platform providing REST APIs for marketplace payments, digital wallet management, user KYC/KYB verification, fund transfers, currency conversion,...	1	thin
Remitian	Remitian is a fintech platform providing embedded tax payment infrastructure for tax software providers and accounting firms. Often described as the "Stripe for tax," Remitian o...	1	thin
Travelers	Travelers is one of the largest property casualty insurance companies in the United States and a Fortune 500 company. Through their developer portal, Travelers provides APIs for...	1	thin
Avaloq	Avaloq is a leading provider of wealth management technology and digital banking solutions, offering over 7,500 REST API endpoints for financial services integration. The platfo...	7	thin
Verifone	Verifone is a global payment technology company providing REST APIs for POS terminal management, online payment processing, commerce platform integration, and omnichannel paymen...	8	thin
PayU	PayU is a global payment platform operating in 50+ emerging markets across Central & Eastern Europe, Latin America, the Middle East, and Africa. It provides REST APIs for paymen...	4	thin
Emburse	Emburse is an expense management and accounts payable automation platform serving over 4 million finance leaders and business travelers worldwide. The company offers REST APIs a...	4	thin
Jack Henry & Associates	Jack Henry & Associates (Nasdaq: JKHY) is an S&P 500 financial technology company that provides core banking, payments, lending, digital banking, and fraud-prevention technology...	11	thin
Moov	Moov is a financial infrastructure platform that enables developers to embed money movement capabilities directly into their applications. Their developer platform provides a RE...	4	thin
Tratta	Tratta is a debt collection and payment experience platform that provides REST APIs and webhooks for integrating payment plans, billing, customer session management, and collect...	1	thin
Anrok	Anrok is a SaaS-focused global sales tax and VAT compliance platform built for modern commerce. It provides a REST API that enables software companies to calculate sales tax in ...	1	thin
Melio	Melio is a B2B payments platform for small businesses that provides a REST API for managing bills, vendors, payment methods, scheduling payments, and syncing with accounting sof...	1	thin
Prestmit	Prestmit is a digital trading platform that lets users buy and sell gift cards, exchange cryptocurrencies, pay bills, and purchase airtime and data. The Prestmit Partner API ena...	1	thin
Puzzle	Puzzle is real-time, AI-native accounting software for startups and accounting firms. It builds a continuously reconciled general ledger on top of connected Stripe, bank, card, ...	8	thin
Shift4 Payments	Shift4 Payments is a leading integrated payments and commerce technology provider and a Fortune 1000 company. The company processes payments for hospitality, retail, gaming, spo...	3	thin
Financial Data Exchange (FDX)	Financial Data Exchange (FDX) is a non-profit industry standards body operating in the US and Canada that produces the FDX API, a royalty-free REST standard for consumer-permiss...	7	thin
BlackRock	BlackRock is the world's largest asset manager with over $10 trillion in assets under management. Through its Aladdin platform, BlackRock provides institutional investors, wealt...	1	thin
Tipalti	Tipalti is a global accounts payable and mass payments automation platform that enables businesses to onboard suppliers, process payments across 196 countries in 120 currencies ...	3	thin
Przelewy24	Przelewy24 is Poland's leading online payment gateway, providing REST APIs for bank transfer payments, card processing, BLIK mobile payments, and multi-currency payment processi...	4	thin
dLocal	dLocal is an emerging markets payment platform that enables global merchants to accept and disburse local payment methods and currencies through a single REST API. The platform ...	4	thin
Middesk	Middesk is a business identity and verification platform providing a REST API for KYB (Know Your Business) compliance, EIN/TIN validation, business registration verification, UB...	1	thin
Traiana	Traiana, part of CME Group and now operating under OSTTRA, is a leading market infrastructure technology provider offering pre-trade risk monitoring and automated post-trade pro...	3	thin
Zip	Zip is an AI-powered procurement orchestration platform that provides a REST API for managing the full intake-to-pay lifecycle. The API enables developers to build custom integr...	1	thin
OpenNode	OpenNode is a Bitcoin and Lightning Network payment processor providing a REST API for businesses and developers to accept Bitcoin payments, create payment charges, manage Light...	7	thin
SumUp	European mobile payment and POS platform with REST APIs for creating checkout links, managing card readers, processing payments, tracking transactions, and accessing payout data...	1	thin
Total System Services	Total System Services (TSYS) was a leading global payment solutions provider offering payment processing services to financial and nonfinancial institutions before merging with ...	3	thin
DriveWealth	DriveWealth is a global B2B financial technology platform providing Brokerage-as-a-Service via a REST API, enabling fintechs, banks, broker-dealers, asset managers, and consumer...	2	thin
Blend	Blend (Blend Labs) is a cloud digital-lending and account-opening platform for banks, credit unions, and mortgage lenders. Its Builder platform powers consumer-facing originatio...	10	thin
FDC3	FDC3 (Financial Desktop Connectivity and Collaboration Consortium) is an open standard hosted by FINOS for interoperability between financial desktop applications. The standard ...	5	thin
Xoxoday	Xoxoday is an AI-powered enterprise platform for rewards, loyalty, and incentive operations. Its Plum Rewards API enables organizations to programmatically distribute digital re...	4	thin
Konsentus	Konsentus is a UK-headquartered specialist provider of identity verification and trust services for open banking and open finance ecosystems. Its flagship Konsentus Verify SaaS ...	3	thin
Chime	Chime is a neobank and fintech platform offering fee-free checking and savings accounts, early paycheck access, credit building, and peer-to-peer payment features for consumer b...	1	thin
Celcoin	Celcoin is a Brazilian Banking-as-a-Service (BaaS) infratech platform that provides REST APIs for Pix, boleto, TED transfers, bill payments, prepaid and post-paid cards, digital...	5	thin
Fyle	Fyle (now Sage Expense Management) is a spend and expense management platform known for real-time corporate card feeds that text employees for a receipt the moment a card is swi...	11	thin
OPay	OPay is a Nigerian mobile money and fintech super-app operated by Blue Ridge Microfinance Bank (OPay Digital Services Limited) and majority-owned by Opera Limited with backing f...	1	thin
PayFast	South African payment gateway providing REST APIs for online payment processing, subscription billing, tokenized recurring card payments, onsite checkout, QR code payments, inst...	6	thin
Navan	Navan (formerly TripActions, rebranded to Navan in February 2022) is a corporate travel, expense, and corporate card management platform. Its public developer surface centers on...	7	thin
UK Open Banking	UK Open Banking standard with REST APIs for account and transaction data, payment initiation, variable recurring payments, and confirmation of funds for regulated financial serv...	4	thin
Affirm	Affirm is a buy-now-pay-later platform offering installment loans at point-of-sale via merchant SDKs and direct APIs. Public Series A through F-funded company.	3	thin
Sezzle	Sezzle is a buy-now-pay-later platform that enables merchants to offer installment payment options at checkout. Its REST APIs support merchant checkout integration, order manage...	2	thin
Lithic	Lithic is a card issuing and issuer-processor API platform for building virtual and physical card programs - authorization, clearing, KYC/KYB account holder onboarding, programm...	15	thin
HiPay	HiPay is a European omnichannel payment platform headquartered in Levallois-Perret, France, offering REST APIs for online payments, in-store terminal management, fraud preventio...	9	thin
Payflex	Payflex is a South African Buy Now Pay Later (BNPL) platform that enables merchants to offer interest-free installment payment options to consumers. Shoppers can split purchases...	1	thin
Truv	Truv provides consumer-permissioned access to payroll, income, and employment data. Its platform lets applicants connect their payroll accounts to instantly verify income and em...	12	thin
FIS Global	FIS (Fidelity National Information Services) is a global leader in financial technology providing APIs for core banking, payments, wealth management, and capital markets through...	3	thin
Polygon.io	Polygon.io (rebranded as Massive in early 2026) provides real-time and historical market data APIs across stocks, options, indices, forex, crypto, and futures via REST, WebSocke...	6	thin
Okra	Okra was an African open-finance / open-banking infrastructure company based in Lagos, Nigeria. Its REST API connected applications to Nigerian bank accounts to retrieve authent...	6	thin
Stitch	Stitch is a South African payments and open-banking infrastructure company. Its single GraphQL API at https://api.stitch.money/graphql powers Pay By Bank (instant EFT) and LinkP...	6	thin
Belvo	Belvo is a Latin American open-finance API platform that lets companies connect to bank, fiscal, and employment institutions across Mexico, Brazil, and Colombia to aggregate acc...	7	thin
Bitso	Bitso is one of Latin America's largest cryptocurrency exchanges and stablecoin-rail providers, serving Mexico, Argentina, Brazil, Colombia, and other LATAM markets. Bitso expos...	4	thin
Formance	Formance builds open-source financial infrastructure for money movement. The platform pairs a programmable double-entry Ledger (with the Numscript DSL) with a unified Payments c...	8	thin
Quiltt	Quiltt is a fintech data platform and abstraction layer over open-banking aggregators like Plaid, MX, and Finicity. It exposes a unified GraphQL API for reading end-user financi...	5	thin
Salt Edge	Salt Edge is a global open-banking aggregator providing account information, payment initiation, data enrichment, merchant identification, AML transaction monitoring, and open-b...	4	thin
Sardine	Sardine is an agentic financial crime platform offering fraud prevention, AML compliance, and transaction monitoring through a unified REST API. The platform provides real-time ...	1	thin
Octane	Usage-based pricing and monetization platform with a REST API for managing meters, pricing plans, customer entitlements, and real-time usage tracking for SaaS products. Octane e...	1	thin
Codat	Codat provides a business data API that connects small-business accounting, banking, and commerce platforms to lenders, fintechs, and B2B software providers. A single integratio...	9	thin
Lithic	Lithic is a modern card-issuing and program-management platform offering REST APIs for cards, accounts, transactions, authorization control, ACH/wire payments, external bank acc...	3	thin
Nomba	Nomba is a Nigerian fintech platform that provides payment infrastructure for businesses, offering APIs for payment acceptance, transfers, virtual accounts, and cross-border pay...	9	thin
Quaderno	Quaderno is a tax compliance, invoicing, and sales-tax / VAT automation platform. Its REST API calculates the correct sales tax, VAT, and GST in real time for any jurisdiction, ...	11	thin
Salsa	Salsa is embedded payroll infrastructure that lets SaaS platforms add native, multi-country (US and Canada) payroll to their products through REST and GraphQL APIs, embeddable U...	8	thin
Stooq	Stooq is a Poland-based financial data platform offering free access to historical and current market data for global equities, indices, currencies, cryptocurrencies, commoditie...	1	thin
Iugu	Iugu is a Brazilian payment infrastructure platform offering REST APIs for invoicing, subscriptions, payment splits, boleto bancário generation, credit card processing, and mark...	1	thin
Method Financial	Method Financial provides an embedded liability connectivity and payments API that lets developers identify, retrieve, and pay down a consumer's debts (credit cards, student loa...	7	thin
Qiwi	Qiwi provides payment reception, payouts, and banking platform APIs for processing wallet, card, mobile, and SBP transactions across Russia and CIS markets.	10	thin
Flinks	Flinks is a Canadian financial data platform (owned by National Bank of Canada) that lets businesses connect to consumer and business bank accounts to aggregate account, transac...	8	thin
Grapes Finance	Grapes is an all-in-one embedded stablecoin onramp and offramp solution that simplifies and streamlines financial transactions. The API enables businesses and developers to inte...	2	thin
PagBank	PagBank (formerly PagSeguro) is a Brazilian digital bank and payment platform operated by PagoSeguro Internet Instituição de Pagamento S/A, a subsidiary of Universo Online (UOL)...	6	thin
Digits	Digits is an AI-native accounting and bookkeeping platform for startups and their accountants, built around the Autonomous General Ledger (AGL) that auto-books the majority of t...	9	thin
Moov	Moov is a money-movement platform that lets software teams accept, store, send, and spend money through a single REST API. The Moov API covers accounts and onboarding, represent...	14	thin
Zeal	Zeal is an embedded, payroll-as-a-service platform. Its API lets software companies build their own payroll products - onboarding companies, employees, and 1099 contractors, run...	11	thin
Encompass	Encompass is the dominant mortgage loan origination system (LOS), a product of ICE Mortgage Technology (formerly Ellie Mae, acquired by Intercontinental Exchange / ICE in 2020)....	9	thin
Pomelo	Pomelo (pomelo.la) is a Latin American card-issuing and embedded-finance platform. Its REST API lets fintechs and enterprises onboard users (KYC/KYB), issue physical and virtual...	7	thin
Highnote	Highnote is a modern, unified embedded-finance platform for card issuing, acquiring, credit, and real-time money movement, with a built-in ledger and program management. The ent...	7	thin
Nuvei	Nuvei is a global payment technology company headquartered in Montreal, Canada, providing a single platform for online card acquiring, alternative payment methods (700+ APMs), p...	9	thin
Fincra	Fincra is an African cross-border payments infrastructure provider whose REST API lets businesses collect, hold, convert, and disburse money across multiple currencies. The plat...	8	thin
Sphere	Sphere is a developer-first global indirect tax compliance platform that automates sales tax, VAT, and GST across nexus monitoring, registration, real-time calculation, and fili...	6	thin
AbacatePay	AbacatePay is a Brazilian payment gateway built for developers and indie hackers, focused on instant Pix payments. Its REST API lets you create billings and charges, generate an...	6	thin
Atomic	Atomic is a payroll and financial connectivity platform. Through user-permissioned access to payroll, HR, and merchant accounts, Atomic lets applications switch direct deposit, ...	8	thin
Openpay	Openpay is a Mexican and Colombian online payments platform, part of the BBVA group, offering a REST API for accepting card payments, cash/store payments, and bank transfers (SP...	6	thin
Pismo	Pismo is a cloud-native issuer-processing and core-banking platform exposing REST APIs for accounts, customers, cards, authorizations, transactions, statements, and programs, pl...	7	thin
Toss	Toss is a Korean financial super-app operated by Viva Republica that provides REST APIs for payments, banking, credit scoring, identity verification, and financial services acro...	4	thin
JPMorgan Chase	JPMorgan Chase is a leading global financial services firm and one of the largest banking institutions in the United States, with operations across investment banking, financial...	1	thin
Rybbon	Rybbon (now BHN Rewards) is a digital rewards management platform with a REST API for sending gift cards and prepaid virtual cards, managing reward campaigns, tracking recipient...	2	thin
Black Knight (Acquired by ICE — Now ICE Mortgage Technology)	Black Knight, Inc. was a Jacksonville-based mortgage technology and data provider whose core franchises were MSP (the dominant US loan-servicing platform), LoanSphere (default, ...	10	thin
Yodlee	Yodlee (Envestnet \| Yodlee) is a financial data aggregation platform providing unified API access to bank accounts, credit card transactions, investments, loans, and insurance d...	3	thin
Paysafe	Paysafe is an integrated payment platform providing businesses with REST APIs for online payments, digital wallets, prepaid cards, pay-by-cash processing, and merchant account m...	9	thin
Bamboo Invest	Bamboo is an African investment platform providing REST APIs for fractional stock investing, dollar investments, portfolio management, and access to US and Nigerian capital mark...	1	thin
Pulley	Cap table management platform for startups and finance leaders, providing a REST API for managing equity, modeling dilution, issuing options and RSUs, tracking SAFEs and convert...	1	thin
Unit	Unit is a Banking-as-a-Service (BaaS) platform that lets companies embed deposit accounts, cards, payments, and lending into their own products without becoming a bank. A single...	15	thin
Worldpay	Worldpay is a global payment processing platform (part of FIS) offering REST APIs for payment acceptance, transaction management, tokenization, recurring billing, fraud preventi...	14	thin
Spendesk	Spendesk is an AI-powered spend management and procurement platform serving over 200,000 users across Europe. Its public REST API enables partners and customers to integrate pro...	1	thin
Bud Financial	Bud Financial (formerly Bud, thisisbud.com) is a UK-based fintech infrastructure company providing AI-driven Open Banking aggregation, transaction enrichment, categorization, af...	12	thin
Campfire	Campfire is an AI-native ERP and accounting platform for high-growth startups and mid-market companies, unifying the general ledger, revenue recognition, accounts payable/receiv...	10	thin
Klarna	Klarna is a Swedish fintech offering BNPL, banking, cards, and a shopping app to 150M+ consumers. Merchant API supports Pay-in-3, Pay-in-30, and financing.	6	thin
Spinwheel	Spinwheel is an embedded credit and debt data platform. Its REST API and drop-in modules connect a consumer (via SMS, KBA, phone, or network token), pull an Equifax-backed debt ...	5	thin
Razorpay	Razorpay is India's leading full-stack payments and business banking platform, enabling merchants to accept, process, and disburse payments across cards, UPI, netbanking, wallet...	3	thin
Inscribe	Inscribe is an AI-powered document fraud detection platform founded in 2017, serving banks, credit unions, fintechs, and lending institutions. The platform uses agentic AI train...	1	thin
Payhawk	Payhawk is a spend management platform that enables finance teams to issue corporate cards, capture and manage expenses, process invoices, enforce budget controls, and integrate...	1	thin
NMI	NMI is a global embedded payments enablement platform providing full-stack payment technology with REST APIs for payment processing, tokenization, recurring billing, customer va...	8	thin
Notch	Notch is an accounts-receivable and accounts-payable automation platform purpose-built for the food and beverage and wholesale distribution industry. It automates invoicing, pay...	6	thin
Octobat	Octobat is a billing, invoicing, and tax-compliance platform for online businesses. It automates the creation, delivery, and storage of legally compliant invoices, credit notes,...	9	thin
Marqeta	Marqeta is a modern card-issuing and embedded-finance platform. The Core API is a large RESTful surface covering cards, users, businesses, GPA orders, KYC/KYB, fee transfer, tra...	4	thin
Increase	Increase is a bank-grade payments and financial infrastructure platform that exposes a single REST API for moving and holding money in the United States - ACH transfers, real-ti...	15	thin
Routable	Routable is a B2B payments platform automating accounts payable and accounts receivable, mass payouts, and vendor management. Its API-first REST API lets teams onboard vendors a...	7	thin
Mercury	Mercury is a banking platform built for startups and tech companies, offering checking, savings, treasury, and corporate-card services. The Mercury REST API exposes accounts, tr...	8	thin
Cardtonic	Cardtonic is an Africa-focused fintech platform that lets users trade gift cards (sell unused cards for cash and buy over 14,000 local and international gift cards), issue virtu...	3	thin
Wealthfront	Wealthfront is an automated investment service offering REST APIs and integrations for portfolio management, financial planning, tax optimization, direct indexing, and cash acco...	5	thin
Bancontact	Bancontact is Belgium's most popular electronic payment system, operating through the Bancontact Payconiq Company (now transitioning to Bancontact Pro brand). The platform provi...	1	thin
FINOS	The Fintech Open Source Foundation (FINOS) is a Linux Foundation project dedicated to open source innovation in the financial services industry. It fosters collaboration between...	5	thin
Worldline	European payment and digital services company providing REST APIs for payment processing, acquiring, digital banking services, open banking, identity and authentication, and mer...	8	thin
Modern Treasury	Modern Treasury is a money movement platform unifying ACH, wires, RTP, checks, FX, and reconciliation across multiple bank partners. Operates as the financial operations system ...	4	thin
Carta	Carta is an equity management platform offering a REST API for cap table management, 409A valuations, fund administration, employee equity plans, and investor portfolio manageme...	5	thin
Fawry	Fawry is Cairo-based Egypt's leading provider of e-payments and digital finance solutions, operating a nationwide network for card, e-wallet, and cash-based bill, merchant, gove...	1	thin
SentiLink	SentiLink is an identity fraud prevention platform that empowers financial institutions to transact confidently by stopping synthetic identity fraud, account takeover, and first...	2	thin
Gusto	A cloud-based payroll, benefits, and human resources platform designed for small and medium-sized businesses. Gusto Embedded enables platforms to integrate payroll, tax filing, ...	2	thin
Murex	Murex is a global fintech leader in trading, treasury, risk management and post-trade operations software. Their MX.3 platform provides comprehensive solutions for capital marke...	1	thin
Payoneer	Payoneer is a global payment platform that enables businesses to pay and get paid across borders in multiple currencies. It offers REST APIs for mass payouts, marketplace paymen...	4	minimal
Asaas	Asaas is a Brazilian financial-services and payments platform headquartered in Joinville, SC. It operates as a Banco Central-authorized payment institution and simplified credit...	20	minimal
Cielo	Cielo is one of the largest Brazilian card acquirers and a publicly traded company (B3:CIEL3), originally formed as a joint venture between Banco Bradesco and Banco do Brasil. T...	13	minimal
SoFi	SoFi (Social Finance) is a digital personal finance company and federally chartered bank offering an integrated suite of financial products including banking (checking and savin...	6	minimal
PhonePe	PhonePe is India's largest UPI payments network, owned by Walmart. Its PhonePe Business / Developer platform exposes the PhonePe Payment Gateway (PG) APIs for collecting payment...	18	minimal
Varo Bank	Varo Bank is a mobile-first, FDIC-chartered digital bank offering fee-free checking and high-yield savings accounts, early direct deposit, instant cash advances, a credit-builde...	5	minimal
LiqPay	LiqPay is a Ukrainian payment platform operated by PrivatBank that provides REST APIs for accepting card payments, creating hosted payment pages, processing subscriptions, manag...	9	minimal
PagSeguro / PagBank	PagSeguro (operating consumer-facing under the PagBank brand) is one of Brazil's largest payment processors and digital-banking platforms. Originally spun out of UOL (Universo O...	21	minimal
Tiingo	Tiingo provides high-quality financial market data APIs across US equities, crypto, FX, fundamentals, and news, popular among quantitative researchers. APIs include End-of-Day p...	6	minimal
Acorns	Acorns is a micro-investing and personal finance platform that helps everyday Americans grow their wealth through automated round-up investments, diversified portfolios, retirem...	1	minimal
Perpay	Perpay is a buy-now-pay-later and credit-building platform that lets consumers shop and pay via automatic payroll deductions. Its internal REST platform supports marketplace che...	3	minimal
Highline	Highline is an embedded payment infrastructure company whose Pay by Paycheck product captures funds from a consumer's payroll before they reach the checking account and routes t...	1	minimal
Mercoa	Mercoa is an embedded AP and AR platform that vertical SaaS companies use to launch AI-powered BillPay and invoicing inside their own products. The platform handles bill ingesti...	1	minimal
Unit21	Unit21 is an agentic AI platform for fraud and AML (Anti-Money Laundering) detection and compliance operations. It provides a REST API for ingesting transaction data, managing d...	1	minimal
Pagar.me	Pagar.me is the API-first online payments platform from Stone Co., one of Brazil's largest financial technology companies. Often called "the Stripe of Brazil," Pagar.me provides...	17	minimal
Novo	Novo is a U.S. business banking platform built for small businesses, freelancers, and self-employed professionals, offering a free business checking account, invoicing, reserves...	4	minimal
Treasury Prime	Treasury Prime is an embedded banking platform connecting fintechs and enterprises to a network of partner banks. Provides REST APIs for persons, businesses, accounts, cards, pa...	2	minimal
BillDesk	BillDesk is an Indian integrated payment solutions platform founded in 2000, offering REST APIs for bill payments, recurring mandates, UPI payments, net banking, card payments, ...	3	minimal
Synctera	Synctera is a Banking-as-a-Service platform connecting fintechs to a network of sponsor banks. Provides REST APIs for personal/business customers, accounts, cards, internal tran...	2	minimal
AstroPay	AstroPay is a Uruguay-founded fintech and electronic money institution offering a multicurrency wallet, virtual and physical AstroCards, FX, and cross-border money transfers for...	20	minimal
Increase	Increase is a banking and payments API providing direct ACH, wire, RTP, FedNow, check, and card programs. Bank-direct connectivity (no aggregator middle layer).	6	minimal
Greenly	Greenly is a Paris-headquartered (with offices in London and New York) carbon accounting platform focused on small and mid-sized businesses, helping companies measure, reduce, a...	1	minimal
Tink	Tink (a Visa company) is a European open-banking platform offering account aggregation, payment initiation, identity, and KYC products across 3,400+ banks. The Tink API exposes ...	5	minimal
Betterment	Betterment is a robo-advisor and financial planning platform offering automated investment management, tax-loss harvesting, retirement planning, and goal-based portfolio rebalan...	2	minimal
Fragment	Fragment is a ledger API for engineering teams. It provides a real-time, double-entry ledger to track money movement, model balances, and reconcile against external systems (ban...	6	minimal
KakaoPay	KakaoPay is a Korean mobile payment platform and fintech service by Kakao Corp providing REST APIs for payment processing, QR code payments, online checkout, subscription billin...	4	minimal
GoCardless	GoCardless is a global account-to-account payments platform specializing in pull-based bank debit (UK Bacs, SEPA Direct Debit, ACH, BECS, PAD, Autogiro) and open-banking instant...	1	minimal
Jifiti	Through our white-labeled platform, banks and lenders embed their loans at any point of sale, giving merchants access to the most competitive business and consumer loan programs...	2	minimal
IEX Cloud	IEX Cloud was a cloud-based financial data platform from IEX Group offering market data, fundamentals, news, options, and reference APIs at https://cloud.iexapis.com/v1. The ser...	1	minimal
eToro	eToro is a leading social trading and multi-asset investment platform enabling individuals to trade and invest in stocks, cryptocurrencies, ETFs, commodities, currencies, and in...	7	minimal
KakaoBank	KakaoBank is South Korea's leading internet-only bank, offering REST APIs for account management, fund transfers, loans, credit scoring, and open banking data connectivity for t...	5	minimal
Klarna Kosma	Klarna Kosma is the Open Banking platform spun out of Klarna in March 2022 as a dedicated sub-brand and business unit. Built on the connectivity infrastructure Klarna originally...	6	minimal
Thunes	Thunes is a global cross-border payments network reaching 80+ countries via mobile wallets, bank accounts, cards, and cash. Powers send-money, accept-money, and direct-to-card f...	2	minimal
TranZak	TranZak is an African fintech platform headquartered in Douala, Cameroon, providing REST APIs for mobile money collections, merchant payments, bulk disbursements, bill payments,...	4	minimal
TaxNexus	TaxNexus is a cannabis tax compliance REST API and financial technology service that automates calculation of state, county, and local cannabis excise taxes across supported jur...	1	minimal
Finverse	Finverse is a unified open finance API platform providing aggregated access to banking data, payments, and financial services across Asia-Pacific. Often described as the Plaid f...	2	minimal
Wave Mobile Money	Wave is a Dakar, Senegal-headquartered mobile money company on a mission to "make Africa the first cashless continent." Founded by Drew Durbin and Lincoln Quirk (who previously ...	5	minimal
Lendio	Lendio is a small business lending marketplace that connects businesses with funding through a network of 75+ lenders. The platform offers a REST API for submitting loan applica...	2	minimal
Cowrywise	Cowrywise is a Nigerian wealth management platform and SEC-licensed fund manager offering savings plans, investment portfolios, dollar accounts, and financial goal tracking for ...	1	minimal
Open (open.money)	Open is one of India's leading SMB neobanks, pioneering "connected banking" - a unified business finance platform that layers payments, automated reconciliation, accounting, pay...	10	minimal
Akoya	Akoya is a tokenized data-access network for US financial institutions. It implements the Financial Data Exchange (FDX) API standard, replacing screen-scraping with token-permis...	1	minimal
Column	Column is a chartered nationally-regulated bank purpose-built for developer APIs. Offers ACH, wires, FedNow, checks, BIN sponsorship, and bank-direct ledgering.	9	minimal
Found	Found is a fintech business-banking app for the self-employed, freelancers, and sole proprietors that combines a free business checking account (banking services provided by Lea...	5	minimal
Reggora	Reggora is a modern appraisal management platform that connects mortgage lenders and appraisal vendors on a single system, automating the appraisal lifecycle from order placemen...	8	minimal
Clip	Clip (legal name Payclip) is a Mexico City-based fintech and SMB acquirer often described as the Square equivalent in Mexico. Founded in 2012, Clip enables merchants of all size...	6	minimal
M1 Finance	M1 Finance is an automated investing platform offering fractional share portfolio management, smart money movement, margin borrowing, and integrated banking and credit features....	3	minimal
Fundbox	Fundbox is an API-first embedded working capital platform that enables B2B sellers and platforms to offer net payment terms, credit underwriting, and working capital financing. ...	1	minimal
Stash	Stash is an investing and banking app that enables fractional share investing, automated portfolio building, bank account management with a Stock-Back debit card, custodial acco...	1	minimal
Fundera	Fundera by NerdWallet is a small business financial guidance and lending marketplace platform that helps small business owners compare and access loan products, business credit ...	1	minimal
OnDeck	OnDeck is a small business lending platform that provides partner APIs for submitting loan applications, checking business health scores via the OnDeck Score, managing loan prod...	1	minimal
Sardine	Sardine is a San Francisco-based fraud prevention, AML compliance, and risk management platform for fintechs, banks, marketplaces, and crypto VASPs. It unifies onboarding (KYC, ...	6	minimal
Neobanks	A collection of APIs from leading neobanks and digital banking platforms including Revolut, Monzo, Starling Bank, N26, Nubank, Bunq, and others that offer modern banking service...	4	minimal
Setu	Setu (a Pine Labs company) is an API-first embedded finance infrastructure provider for India. Its product catalogue covers UPI acceptance and payouts, BBPS bill collection and ...	8	minimal
BILL	BILL (formerly Bill.com) is a cloud-based financial operations platform for small and midsize businesses that automates accounts payable, accounts receivable, and spend & expens...	2	minimal
Mercado Pago	Mercado Pago is the payments and financial-services arm of Mercado Libre, Latin America's largest e-commerce and fintech platform. Its developer portal at developers.mercadopago...	17	minimal
Rakuten	Rakuten Group is a Japan-headquartered internet conglomerate spanning e-commerce (Rakuten Ichiba), fintech (Rakuten Bank, Rakuten Card, Rakuten Securities), digital content (Rak...	30	minimal
PicPay	PicPay is a Brazilian fintech super-app and digital bank serving over 67 million users with a digital wallet, payment account, credit and debit cards, personal loans, investment...	4	minimal
Credibly	Credibly is a small business lending platform offering a REST API (API V2) for originating merchant cash advances, working capital loans, business lines of credit, equipment fin...	1	minimal
Lead Bank	Lead Bank is a Kansas City-chartered FDIC-insured bank operating as a sponsor bank and embedded-finance infrastructure provider for fintech partners. The platform is organized a...	6	minimal
Cross River Bank	Cross River Bank is an FDIC-insured chartered bank that operates as a sponsor bank and banking-as-a-service (BaaS) provider for fintech companies, embedded-finance platforms, an...	8	minimal
Paytm	Paytm (One97 Communications) is India's leading digital payments and financial services company. Through Paytm for Business it operates a wide catalogue of payment APIs covering...	15	minimal
PiggyVest	PiggyVest is a Lagos-based Nigerian fintech (operated by Piggytech Global Limited, RC 1405222) running the country's largest online savings and investment platform, with 6M+ reg...	1	minimal
Unit	Unit is a Banking-as-a-Service platform offering REST APIs for customers and applications, deposit/credit/wallet accounts, cards (issuance, authorizations, disputes), payments (...	2	minimal
Check	Check is an embedded payroll infrastructure platform that allows vertical SaaS, HR, workforce management, and financial services companies to natively offer payroll inside their...	4	minimal
Hopper	Hopper is a travel marketplace and fintech, best known for consumer flight, hotel, car, and homes booking with fintech ancillaries such as Price Freeze, Cancel for Any Reason, a...	7	minimal
Relay	Relay is an online business banking and cash-flow management platform for small and medium-sized businesses, offering up to 20-50 checking accounts, virtual and physical Visa de...	4	minimal
Airbase	Airbase is a modern spend management platform for finance teams that combines accounts-payable (AP) automation and bill pay, guided procurement and purchase orders, corporate ca...	9	minimal
LendingPad	LendingPad is a cloud-based mortgage loan origination system (LOS) that lets brokers, lenders, and institutions originate, process, underwrite, close, and fund residential mortg...	4	minimal
Nu (Nubank)	Nu Holdings (Nubank) is Latin America's largest digital bank, with tens of millions of customers across Brazil, Mexico, and Colombia. Its core product surface - credit card, acc...	5	minimal
Rapyd	Rapyd is a global Fintech-as-a-Service network offering collect, disburse, hold, and issue capabilities across 100+ countries with local payment methods, cards, and bank transfers.	5	minimal
AlphaAI	A REST API and agent-native platform for relevance-scored, ticker-linked financial news, built for trading bots, agent backends, and dashboards. Articles are enriched at ingest ...	3	minimal
Afterpay	Afterpay (acquired by Block / Square) is a buy-now-pay-later platform offering Pay-in-4 installments at thousands of merchants. APIs for merchants to integrate via Square or dir...	3	minimal
Nium	Nium is a global payments infrastructure platform for cross-border payouts, collections, FX, and card issuing. Serves financial institutions, fintechs, and corporates with a sin...	6	minimal
Green Dot Corporation	Green Dot Corporation is a major US corporation and Fortune 1000 company. The Green Dot Corporation API provides programmatic access to its platform services, data, and integrat...	1	minimal
Galileo Financial Technologies	Galileo Financial Technologies (a SoFi company) is a card-issuing and banking platform powering many fintechs. Provides Program API (accounts, cards), Config API, Dispute API 3....	9	minimal
Bitculator	Modern cryptocurrency REST API providing programmatic read access to crypto market data including coins, prices, markets, exchanges, wallets, global market data, sentiment, indi...	1	minimal
Checkout.com	Checkout.com is a global payment processor offering card acquiring, alternative payments, fraud, and connected accounts via a single API. Direct integrations with Visa, Masterca...	12	minimal
LendingClub	LendingClub is a major US corporation and Fortune 1000 company. The LendingClub API provides programmatic access to its platform services, data, and integrations for enterprise ...	1	minimal
SoFi Technologies	SoFi Technologies is a major US corporation and Fortune 1000 company. The SoFi Technologies API provides programmatic access to its platform services, data, and integrations for...	1	minimal
Rappi	Rappi is a Colombian-founded pan-Latin American super-app headquartered in Bogotá, with regional hubs in São Paulo and Mexico City. Founded in 2015 by Simón Borrero, Sebastián M...	1	minimal
Onafriq	Onafriq (formerly MFS Africa) is a pan-African digital payments network headquartered in London with operating entities across Mauritius, Ghana, Nigeria, Tanzania, Rwanda, Ugand...	9	minimal

APIs in this industry (1404)

Showing 200 of 1404 — search the full set on apis.io.

Related industries

Matched provider/API tags include Fintech, FinTech, Embedded Finance, Neobank, Open Finance.

Fintech

About this industry

Providers (245)

APIs in this industry (1404)

AbacatePay Billing and Charges API

AbacatePay Coupons API

AbacatePay Customers API

AbacatePay Pix QR Code API

AbacatePay Webhooks

AbacatePay Withdraw API

Acorns Partner API

Adyen Account API

Adyen Accounting Notifications API

Adyen Authentication Webhooks API

Adyen Balance Control API

Adyen BinLookup API

Adyen Checkout API

Adyen Configuration API

Adyen Configuration Webhooks API

Adyen Data Protection API

Adyen Disputes API

Adyen Funds API

Adyen Hosted Onboarding API

Adyen Legal Entity API

Adyen Management API

Adyen Management Webhooks API

Adyen Notification Configuration API

Adyen Notification Webhooks API

Adyen Notifications API

Adyen POS Terminal API

Adyen Payments API

Adyen Payouts API

Adyen Recurring API

Adyen Report Webhooks API

Adyen Stored Value API

Adyen Terminal API

Adyen Test Cards API

Adyen Transaction Webhooks API

Adyen Transfer Webhooks API

Adyen Transfers API

Adyen Webhooks API

Affirm Charges API

Affirm Checkout API

Affirm Transactions API

Afterpay Checkout API

Afterpay Configuration API

Afterpay Payments API

Airbase Approvals API

Airbase Bills & AP Automation API

Airbase Corporate Cards API

Airbase Expense Reimbursements API

Airbase GL & Accounting Sync API

Airbase Purchase Requests & Orders API

Airbase Transactions API

Airbase Vendors API

Airbase Webhooks Management API

Airwallex FX API

Airwallex Global Accounts API

Airwallex Issuing API

Airwallex Payment Acceptance API

Airwallex Payouts API

Airwallex Platform API

Akoya FDX API

Bread Classic Merchant API

Bread Financial Brand Partners Android SDK

Bread Financial Brand Partners iOS SDK

Bread JavaScript SDK

Bread Pay Platform API

Bread Webhooks

Alloy API

Alloy Identity API

Alpaca Broker API

Alpaca Market Data API

Alpaca OAuth API

Alpaca Trading API

Alpha Vantage Market Data API

AlphaAI Claude Code Skills

AlphaAI MCP Server

AlphaAI REST API

Anrok API