
VatStack
vatlayer API
Taxid.dev
VIESAC
Lookuptax
VATnode.dev
The VAT API
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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| Website | app.justaxit.com | diffee.me |
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| Company | Startup from Poland · 1 - 9 employees | — |
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In their own words, as submitted to SaaSHub.


Checking a supplier list against the EU VIES website means pasting one VAT number at a time, waiting, copying the result back into Excel, and repeating it a few hundred times. Justaxit turns that into one paste and one click. Paste a column of VAT numbers straight from Excel and Justaxit...
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Production-grade EU VAT validation API — VIES + national registry fallback, audit-ready consultation numbers, and company enrichment. Free plan available.
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