wekyb

MF White List · VAT

Unlimited White List VAT verification. One API.

Verify Polish VAT bank accounts at payment-run scale, with audit evidence for every check — past the official ~10 requests/day per IP limit.

GET /check
nip 1234567890
account PL..3774212
date 2026-07-02
on_list_active matched_via: direct
checked_date
2026-07-02
file_generated_at
2026-07-02
file_checksum
ac2fe966…733ce3