ALV-numero (VAT)s formatted exactly as Finland's tax authority issues them, so they pass field-level format validation in your app. Synthetic — not registered to anyone.
FI20851849| Browser | sampuli.site — pick Finland, generate, export CSV/JSON |
| REST API | curl https://sampuli.site/api/v1/fi/tax?n=25 |
| npm | npx @sampuli/data fi.tax |
| Node | import { generate } from '@sampuli/data'; generate('fi.tax') |