TaxID
taxid.dev
A REST API that validates VAT and company tax ID numbers across 31 countries (27 EU member states via VIES, plus UK, Switzerland, Norway, and Australia) and returns company name and address.
The TaxID API uses bearer token authentication; has freemium pricing; offers a free tier (100 validations/month, no credit card required); rate limits: Monthly quota per plan enforced per calendar month; exceeding returns 429 rate_limit_exceeded (Free 100, Starter 1,000, Growth 10,000, Business 100,000, Scale 1,000,000). Verified 2026-07-12 with per-field source links.
Pricing
Free: $0 (100/mo); Starter: $19/mo (1,000); Growth: $49/mo (10,000); Business: $149/mo (100,000); Scale: 1,000,000/mo custom
taxid.dev ↗Rate limits
Monthly quota per plan enforced per calendar month; exceeding returns 429 rate_limit_exceeded (Free 100, Starter 1,000, Growth 10,000, Business 100,000, Scale 1,000,000)
taxid.dev ↗OpenAPI spec
not documented null
no sourceMCP server
not documented null
no source