Inquiries

Account balance

POST/api/v1/cms_2100

AuthorizationFirm banking

Queries the enterprise account balance.

Headers

Fields	Description
`Content-Type`Required	application/json
`Authorization`Required	Authorization key Fintwin issues for the company code.

Body

Fields	Description
`REQ_DATA.TRT_INST_CD`Required	Organization code issued by Fintwin. Samples use TEST0001.
`REQ_DATA.TRSC_DT`Required	Transaction date, YYYYMMDD.
`REQ_DATA.TRSC_SEQ_NO`Required	Sequence unique within the day. Repeating it does not create a new transaction.
`REQ_DATA.BNK_CD`Required	NAPAS code.
`REQ_DATA.ACCT_NO`Required	Account number.

Samples

curl -X POST 'https://sandbox.example.invalid/api/v1/cms_2100' \
  -H 'Content-Type: application/json' \
  -H 'Authorization: <authorization-key>' \
  -d '{"REQ_DATA":{"TRT_INST_CD":"TEST0001","TRSC_DT":"20261014","TRSC_SEQ_NO":"0000300","BNK_CD":"970422","ACCT_NO":"000000000000TEST"}}'