About

Numlookupapi is a phone number lookup and validation API that returns carrier, line type, country, location, and formatting data for international phone numbers. It exposes a JSON REST endpoint for validating numbers such as /v1/validate/+12069220880 and supports developer integrations through documentation, Postman collection, and code examples.

The free plan includes 100 requests, 1 API key, and 10 requests per minute. Paid plans add higher request volumes, additional API keys, sandbox keys, no rate limit, support options, team management, and IP or URL allowlisting features.

  • Phone number validation and enrichment API
  • Carrier, line type, and location data
  • 230+ country coverage
  • 100 requests per month free
  • 1 API key on free plan
  • 10 requests per minute limit
  • JSON REST API responses
  • Postman collection and code samples

Free Tier Value

44
FTV score
Est. value $1.00 / month
Credit card Not required
Feature parity 35%

This free tier is a capped monthly starter offer: 100 requests, one API key, and a 10 requests/minute limit, with no credit card mentioned on the page. Compared with the $9.99 Basic plan, it provides roughly 2% of the request volume and fewer operational freedoms, so its practical value is about $1/month.

What's included in the free tier

  • 100 Requests
  • 1 API Key
  • 10 Requests / Min.

Paid plans

Basic

$9.99 / mo
requests
5,000
api_keys
1
  • 5,000 Requests
  • 1 API Key
  • No Rate Limit
  • E-Mail Support

Pro

$49.99 / mo
requests
50,000
api_keys
2
  • 50,000 Requests
  • 2 API Keys
  • Sandbox API Keys
  • No Rate Limit
  • E-Mail Support
  • Team Management

Scale

$109.99 / mo
requests
250,000
api_keys
5
  • 250,000 Requests
  • 5 API Keys
  • Sandbox API Keys
  • No Rate Limit
  • Tailored Support
  • Team Management
  • IP White- & Blacklisting
  • URL Whitelisting

Custom

Contact sales
Custom /mo
requests
Custom
api_keys
Custom
  • Custom Requests
  • Custom API Keys
  • Sandbox API Keys
  • No Rate Limit
  • Tailored Support
  • Team Management
  • IP White- & Blacklisting
  • URL Whitelisting

Pricing extracted from Numlookupapi's pricing page. Always verify current pricing before committing.