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FintechToolkit

The AI- and developer-first directory of fintech infrastructure tools. Curated APIs, data sources, and open-source projects for builders shipping payments, banking, and beyond.

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© 2026 FintechToolkit. The toolkit for fintech builders.

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Free

4 tools

Tools with this pricing

OpenFinTech.io logo

OpenFinTech.io

Open Source

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

Developer Infrastructure
Dataset, OSSGlobalFree
Apache Fineract (Mifos X) logo

Apache Fineract (Mifos X)

Open Source

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

Banking & Open Finance
Platform, OSSGlobalFree
Frankfurter logo

Frankfurter

Open Source

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

Financial Data & Market Data
API, OSSGlobalFree
Hyperswitch logo

Hyperswitch

Open Source

Open-source payment orchestrator that routes across multiple processors.

Developer InfrastructurePayments & Billing
API, OSSGlobalFree