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GLOSSARY

What is open banking?

DEFINITION

Open banking lets customers share their bank account data with, or initiate payments through, third-party providers via secure APIs, with consent.

Also called: Open finance, Bank data APIs

How it works

Banks expose account information, such as balances and transactions, and sometimes payment initiation through APIs. Customers authorize a third party, directly or through an aggregator such as Plaid, MX or Mastercard Open Finance. Rules differ by region: the UK and EU mandate it by regulation, while US access has largely run through aggregators and bank agreements, with regulation still evolving.

Example

A lender asks a small business to connect its bank account during an application. The aggregator returns twelve months of transactions, which the lender uses to verify revenue.

In integrations

Unify Int reads bank account data from data providers such as Plaid, Mastercard Open Finance, MX and Teller, and the Bank Feeds API pushes transactions the other way, into ledgers. Bank providers are partners in that flow rather than something Unify Int replaces. Bank data and ledger data answer different questions. Bank data shows what cash moved; the ledger shows what it was for. Lenders and finance tools often need both, joined.

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