For people who are or will be working on finance products (accounting, personal finance, etc.), categorizing transactions is a fundamental and the most critical task to be done well.

While LLM provides convenience, it does not provide efficiency and speed. Fina Money team (I'm behind it) released a public free API to simplify this task, it could be super valuable if you're in the middle of seeking success in this side.

Just share it so that you have a reference: Fina Categorization API

Cheers!