apilayer numverify

API

Real-time phone number validation & lookup API

Overview

The apilayer numverify API offers RESTful endpoints for real-time phone number validation and lookup. Its core /validate GET endpoint accepts a phone number (with optional country code) and returns JSON responses including validity status, country origin, location, carrier, line type (mobile/landline), and formatted numbers. Use cases include user onboarding (ensuring valid contacts), fraud prevention (flagging fake numbers), contact list cleaning, and enhancing customer data accuracy. It supports 232 countries, uses HTTPS for security, and integrates seamlessly with most programming languages.

Example Integration (JavaScript)

script.js JS


fetch('https://numverify.com')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful API
JSON response format
232 country coverage
Real-time validation
Carrier & line type detection
HTTPS encryption

Frequently Asked Questions

? Is apilayer numverify free to use?

Yes, it offers a free tier with limited monthly requests; paid plans are available for higher volumes and advanced features like bulk lookup.

? Does it require an API Key?

Yes, you need an API key (obtainable via sign-up at apilayer) to authenticate all requests to the API.

? What is the response format?

All responses are in JSON format, containing details such as number validity, country origin, location, carrier, and line type.

Top Alternatives

Twilio Lookup API Search Google

Vonage Number Insight API Search Google

Tool Info

Pricing Freemium

Category Phone

Platform Public API

Pros

⊕ Easy to integrate
⊕ Wide geographic coverage
⊕ Accurate validation results
⊕ Secure HTTPS requests

Cons

⊖ Free tier has rate limits
⊖ No SLA for free users
⊖ Bulk lookup requires paid plans