The Citibank Accounts API allows you to retrieve account and transaction data for Citi Customers who have authorized your app. In most cases, you'll want to request a summary of all accounts first, which will return basic account information and accountIds. Once you have this information, you can request additional account details and/or transactions. The API's primary usees are for account aggregation, alerts, and real-time updates
Key features of the API are:
enriched customer experience
the ability to provide detailed customer account data with a simple API call
data access any idea, product or service, and utilization of industry standard REST API to access the account info and data you need faster and in a structured manner.
This API is part of Citi Open Banking, a set of APIs that allow you to connect to core Citi financial functionality.