The Oversea-Chinese Banking Corporation Limited (OCBC) is a Singapore-based bank that has operations spanning 17 countries. The OCBC Account Transaction History API allows developers to integrate the functionalities for accessing the account transaction histories of OCBC customers. It is a useful platform for building financial services apps including banking, accounting, and budgeting apps that can assist customers to plan and manage their personal finance targets. The API returns JSON responses and requires token authentication. The API is currently a beta release.