Guides

Autofill a company form from a VAT number

A checkout form filling its company name, street, postal code and city from a VAT number.

One field instead of six. What autofill changes for a B2B sign-up, and how to design a form that stays usable when no answer comes back.

Verify a VAT number on an invoice before paying it

A supplier invoice beside a panel showing the company its VAT number resolves to.

What the check catches that a checksum never will, how to compare a register name with a letterhead, and what to keep as proof.

Enrich a CRM from VAT numbers

A column of VAT numbers with the company name, address and register filled in beside it.

Duplicates, stale addresses and dead accounts, fixed from the one field your accounts already carry. In bulk, and kept accurate afterwards.

Get a company's name and address from a VAT number

A company record: legal name, legal form, registered address, national id and the register that answered.

What a VAT number tells you, why every country publishes that data differently, and the three ways to reach the company behind a number.

Elsewhere on the site

Last updated 21 September 2026.

Creating a key takes a minute

100 requests a month for free, no card required. 5,000 a month for 29 € excl. VAT when you outgrow it.

Create a key Read the docs