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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. Plaid
Plaid logo

Plaid

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

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Visit websiteplaid.com

Overview


Plaid connects applications to end users' bank accounts across North America and parts of Europe, returning account, transaction, and identity data through a single API.

The product set is split by purpose: Auth returns account and routing numbers, Transactions returns categorised history, Identity returns KYC-ready account-holder details, and Transfer initiates ACH and RTP payments. End users connect their bank through Link, a hosted front-end module.

Common use cases


  • Verify a bank account before initiating an ACH debit
  • Pull categorised transaction history for budgeting features
  • Confirm income and assets during a lending application
  • Let a user link multiple bank accounts in one flow

Key Features


  • Auth for instant bank account and routing number verification
  • Transactions with categorized historical and real-time data
  • Identity for KYC-ready name, address, and phone verification
  • Assets for income, employment, and asset verification
  • Transfer for ACH and RTP payment initiation
  • Signal for ACH transaction risk scoring and return prediction
  • Link drop-in module with 12,000+ institution coverage
  • Support for linking multiple accounts across institutions

Integration

Protocols
REST, Webhooks
Authentication
Client ID + secret
Official SDKs
Node, Python, Ruby, Java, Go
Sandbox
Available
Documentation
Read the docs

Details

Product Types

API

Geographic Coverage

US, UK, Europe

Pricing Model

Free tier

Categories

Banking & Open Finance

Directory last reviewed 1 August 2026

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