It is difficult for me to determine why Singapore banks may not use OFX (Open Financial Exchange) data without more specific information about the individual banks in question. However, here are some possible reasons why they might not use OFX data: Lack of Adoption: It is possible that OFX has not yet been widely adopted in Singapore, and as such, banks may not be using this standard for data exchange. Proprietary Formats: Some banks may be using proprietary formats for data exchange, which may be more difficult to integrate with OFX. This can cr...