Apps similar to vatlayer API include VATValidation, which is free and open source. Other options are vat-search.eu, Vatstack, vatnode and Validate Vat. In total there are five apps like vatlayer API for the web, Windows and Linux.
VATValidation is a powerful, open-source tool for validating VAT numbers using the official interfaces of BZSt, VIES and HMRC. It supports both single and batch validation with CSV, XLSX, and JSON formats.
Germany
EU
Simplify EU VAT for your digital business. Collect the right VAT on every domestic and cross-border sale, automate EC Sales List or VAT MOSS reports, and validate business customers in real-time.
United States
vatnode is a developer-first API for validating EU VAT numbers. It returns VIES consultation numbers for qualified checks, plus checkId and verifiedAt fields for audit-ready invoice records. Includes national registry fallback when VIES is unavailable. EU-hosted. Free tier.
FinlandEU
Free VAT Number Validation & EU VAT Rates API. Easily and securely check if a VAT number is valid. You can use our interactive tool or the flexible JSON API.
MaltaEU
