This API is used to identify and categorize transactions.

uuid

Institution Code, it should be the code in central bank

institutionCode

Transaction source,enum values: checking/creditcard. In case a user has transactions in both checking account and creditcard account, please POST Klavi API twice with different "transactionSource"

transactionSource

transactionDetails

Content-Type

partner_code

partner_token

You can see that this API only adds the following three fields to the 

Learn how to identify and categorize transaction details using the synchronous API described in this document. Accessible through a `POST` request to the URL `klaas/transaction/v2/category`, the API requires parameters such as UUID, institution code, and 

Transactions Categorization