API archive entry · source-reported
VATlayer
VAT number validation
Other Data Validation APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
Lob.com
US Address Verification
API key · HTTPS reported · CORS Unknown
SchemaShield
Read-only preflight for breaking schema changes and downstream query impact
API key · HTTPS reported · CORS Unknown
Attestwire
Validate EN 16931 e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS
API key · HTTPS reported · CORS Yes
Temsor
Validates Turkish national ID, tax number, IBAN, phone, plate and parses addresses
API key · HTTPS reported · CORS Yes
US Autocomplete
Enter address data quickly with real-time address suggestions
API key · HTTPS reported · CORS Yes
US Extract
Extract postal addresses from any text including emails
API key · HTTPS reported · CORS Yes
How to compare them
Coverage
Compare exact endpoints, fields, geography, history, and update frequency.
Operating cost
Model request volume, caching, overages, support, and migration cost.
Integration risk
Test auth, errors, pagination, latency, versioning, and outage behavior.
Data rights
Review attribution, redistribution, retention, privacy, and commercial-use terms.
Source reference
This page separates source-reported facts from questions that need live provider verification.