Official data, verified.

Answers from official registers — with the source and the check date to prove it.

regirail checks public registers and official data for you: EU VAT numbers, short-term rental rules, website accessibility and climate risk per address.

Join early access What “verified” means

Four checks. One standard of proof.

Every result points to the official source it came from and shows when it was checked — so you can rely on it, and show your work.

V

VAT & Company ID

Know a customer's VAT ID is valid before you invoice — with the register's answer on file.

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R

Short-term rental rules

See registration duties, night limits and tourist tax for a city, straight from the municipality.

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A

Accessibility scan

Find the WCAG issues on your website that matter most, ahead of the European Accessibility Act.

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C

Climate & heat risk

Understand heat and flood exposure for an address, using official hazard maps.

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How it works

1

Ask

Enter a VAT number, a city, a website or an address.

2

We check the official source

regirail queries the public register or authority directly — not a copy of a copy.

3

Keep the proof

You get the answer with the source link, the check date and a confidence note.

Get early access How we verify