API archive entry · source-reported
Numverify
Phone number validation
Other Phone 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.
Numlookup
Phone number validation and carrier lookup API with global coverage
API key · HTTPS reported · CORS Unknown
VeriRoute Intel
CNAM caller ID, carrier/LRN lookup and spam scoring for North American phone numbers
API key · HTTPS reported · CORS Unknown
Cloudmersive Validate
Validate international phone numbers
API key · HTTPS reported · CORS Yes
Phone Validation
Validate phone numbers globally
API key · HTTPS reported · CORS Yes
Veriphone
Phone number validation & carrier lookup
API key · HTTPS reported · CORS Yes
Phone Specification
Rest Api for Phone specifications
No auth · 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.