Every fintech API, SDK, dataset, and open-source project in the directory. Filter by category, type, pricing, or region.
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47 tools

Full-stack payments platform for accepting payments, managing subscriptions, and running marketplaces.

Connect bank accounts and access transactions, balances, and identity via one open banking API.

Real-time fraud and compliance platform combining device intelligence and AML screening.

Identity decisioning for KYC, KYB, and ongoing monitoring across 270+ data sources.

Real-time and historical market data for stocks, options, forex, and crypto over low-latency websockets.

Open-source MIT-licensed dataset of fintech providers, payment systems, and banking institutions.

PSD2-compliant open banking for account aggregation, payment initiation, and finance data.

AI-powered identity verification and biometric authentication for global onboarding and KYC.

Open-source core banking engine for microfinance and community finance, with a full REST API.

Spend management and corporate cards API for venture-backed and enterprise companies.

Commission-free US stock and crypto trading API for building brokerage and wealth apps.

Embedded finance platform for adding banking, cards, and lending to any product.

Reliable, up-to-date currency data and exchange rates API.

AI-driven AML and sanctions screening with real-time risk intelligence.

Single global platform for card acquiring, local payment methods, and unified commerce.

Enterprise payment processing with direct acquiring and granular authorisation control.

Merchant of record for software companies — billing, sales tax, and compliance handled.

Merchant of record for digital products, with checkout, subscriptions, and tax handled.

European payments provider with local methods and a deliberately simple integration.

Full-stack payments and business banking for the Indian market.

Global accounts, FX, and payouts for businesses operating across multiple currencies.

Open banking payments and data across the UK and Europe, built on PSD2 rails.

Bank debit and open banking payments for recurring and invoice collection.

Open banking infrastructure with no end-user interface — a pure API layer.

Payment operations: ledgering, reconciliation, and bank connectivity in one layer.

Banking primitives — accounts, ACH, wires, and cards — exposed as a direct API.

A nationally chartered bank with its own developer API, no intermediary.

Embedded banking that connects fintechs directly to partner banks.

Configurable identity verification and KYB workflows for individuals and businesses.

AI-driven document and biometric verification with broad document coverage.

Full verification stack — KYC, KYB, AML screening, and transaction monitoring.

Global identity and business verification through a single aggregated API.

Machine-learning fraud prevention across payments, accounts, and content abuse.

No-code fraud and AML operations — rules, case management, and investigations.

Blockchain analytics for crypto AML, sanctions screening, and investigations.

Fraud prevention built on digital footprint analysis from email, phone, and IP.

Real-time market data, fundamentals, and alternative data with a usable free tier.

Stock, forex, and crypto data over REST and websockets, with a generous free tier.

Fundamentals, statements, and valuation data for equities research tooling.

Free market data API covering equities, forex, crypto, and technical indicators.

Free, open-source exchange rates API sourced from European Central Bank data.

Brokerage and market data APIs for building trading applications.

Fractional investing infrastructure for embedding brokerage into other products.

Payments platform with a large set of open-source Go libraries for ACH and wires.

Open-source programmable ledger for modelling money movement in your own stack.

Open-source payment orchestrator that routes across multiple processors.

Open-source investment research platform and Python toolkit for market data.