
VatStack
vatlayer API
Taxid.dev
Tax ID Pro
Justaxit
TaxJar
TIN Validate
Streamline VAT ID Validation Worldwide with Lookuptax. Access a single API for hassle-free validation in over 100 countries. Ensure accuracy and compliance.

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TaxID is a developer-first API to validate VAT and tax IDs across 31 countries — 27 EU member states via VIES, plus UK, Switzerland, Norway, and Australia. Stripe-style errors, JSON responses, 100 free validations/month.
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Validate tax ID numbers for over 100 countries.
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Justaxit validates lists of EU VAT, UK EORI and South African VAT numbers in bulk against VIES, HMRC and SARS, returning company names, addresses and exportable results.
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TaxJar simplifies sales tax filing for eCommerce sellers.
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