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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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  3. Banking & Open Finance

Banking & Open Finance

11 tools

Open banking APIs, account aggregation, PSD2-compliant platforms, and embedded finance solutions.

Tools in this category

Plaid logo

Plaid

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

Banking & Open Finance
APIUS, UK, EuropeFree tier
Tink logo

Tink

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

Banking & Open Finance
API, SDKEuropeUsage-based
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
Unit logo

Unit

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

Banking & Open Finance
API, PlatformUSUsage-based
TrueLayer logo

TrueLayer

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

Banking & Open Finance
APIEurope, UKUsage-based
GoCardless logo

GoCardless

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

Banking & Open Finance
APIGlobalUsage-based
Yapily logo

Yapily

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

Banking & Open Finance
APIEurope, UKUsage-based
Modern Treasury logo

Modern Treasury

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

Banking & Open Finance
API, PlatformUSEnterprise
Increase logo

Increase

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

Banking & Open Finance
APIUSUsage-based
Column logo

Column

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

Banking & Open Finance
APIUSUsage-based
Treasury Prime logo

Treasury Prime

Embedded banking that connects fintechs directly to partner banks.

Banking & Open Finance
API, PlatformUSEnterprise