Bank data & compliance
Account Aggregation: Definition & Example
What Is Account Aggregation?
Account aggregation is collecting data from a person’s accounts at multiple financial institutions into one place, with their permission, so balances and transactions can be viewed or analyzed together.
What does account aggregation mean?
Budgeting apps, wealth platforms, and lending tools use account aggregation to show a combined picture across checking, savings, credit card, loan, and investment accounts held at different banks.
Aggregation is usually done by data aggregators, companies that maintain connections to thousands of institutions and return standardized data through an API. Connections increasingly use bank-provided APIs rather than screen scraping.
For income analysis, aggregating several accounts matters because many people split paychecks, receive benefits into a different account, or run business income through a separate account.
Account aggregation example
A freelancer has client payments landing in a business checking account at one bank and her part-time payroll deposited to a personal account at a credit union. She connects both, and the combined view shows total monthly income that neither account shows alone.
Related terms
- Open BankingOpen banking is the practice of letting consumers securely share their bank account data, such as balances and transactions, with third-party apps and services they choose, usually through APIs.
- Consumer-Permissioned DataConsumer-permissioned data is financial information a consumer actively authorizes a third party to access, such as bank transactions shared through an open banking connection.
- Transaction CategorizationTransaction categorization is labeling each bank or card transaction by type, such as payroll, rent, groceries, transfer, or loan payment, so the data can be summarized and analyzed.
- Access TokenAn access token is a credential an app receives after a user grants permission, letting it call an API on the user’s behalf, such as reading bank data, without ever handling the user’s password.
