Overview
Do the numbers in a Korean finance text match the official record? Send Korean text; get each checkable number marked MATCH or MISMATCH with the official value, date and source: % vs %p, 조/억/만 units, BoK base rate and KTB yields (ECOS), KRW exchange rates (KEXIM), listed-company revenue and profit (DART). Numbers with no source stay unverified. POST /v1/check.