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About Numverify
What is Numverify?
Numverify is a REST API that validates phone numbers globally. It checks against telecom databases to confirm validity, identify the carrier (e.g., AT&T, Vodafone), and determine the country and region. It also flags numbers that are invalid or disconnected.
Problem it solves
Invalid phone numbers waste marketing budgets, enable fake signups, and increase fraud risk. Numverify helps developers, e-commerce platforms, and marketing teams ensure every number is real, reachable, and correctly formatted before use.
Who it is for
Numverify is built for developers integrating phone validation into signup forms, e-commerce platforms checking billing numbers for fraud, and marketing teams cleaning contact lists before SMS campaigns. It is not designed for high-volume enterprise use without custom pricing.
Real use cases
- Verify phone numbers during user registration to prevent fake accounts
- Validate billing numbers for fraud detection in online checkout
- Clean contact lists for SMS marketing to reduce bounce rates
- Identify line type (mobile vs. landline) for targeted communications
Key features
- Number validation — Checks if a phone number is valid, reachable, and formatted correctly
- Carrier lookup — Returns the telecom carrier (e.g., AT&T, T-Mobile, Orange)
- Location data — Provides country, region, and city for landline numbers
- Line type detection — Identifies if the number is mobile, landline, VoIP, or toll-free
- Batch processing — Validate multiple numbers in a single API call
- HTTPS encryption — All requests are secured with 256-bit SSL encryption
- Global coverage — Supports phone number validation for 232 countries
SaaSpartout Score
7.1
/10
Editorial score from our review methodology — not user ratings.
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Numverify Pricing
Numverify pricing: Free · from $14.99/mo. Billing model: Freemium.
For comparison: the median starting price in Developer Tools is $19.99/month, measured across 301 tools we track. See the full SaaS Pricing Index →
Free
$0.00/mo — 100 API requests, number validation, real-time carrier and line type detection, country and location detection, 256-bit HTTPS encryption. No support included.
Standard Kit
$14.99/mo (or $161.99/year) — 5,000 API requests + $0.011992 per additional request. Includes standard support and all Free features.
Most Popular
$59.99/mo (or $629.99/year) — 50,000 API requests + $0.0047992 per additional request. Includes standard support and all features.
The All-Inclusive Suite
$129.99/mo (or $1,325.99/year) — 250,000 API requests + $0.00207984 per additional request. Includes standard support and all features.
All plans include a free trial with the Free tier. Custom enterprise pricing available for higher volumes.
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Get the deal →Frequently asked questions
Is Numverify free?
Yes, Numverify offers a free plan with 100 API requests per month at $0.00. It includes basic validation features.
How much does Numverify cost?
Numverify pricing starts at $14.99 per month for the Standard Kit (5,000 requests). Higher tiers go up to $129.99 per month for 250,000 requests. Annual billing saves up to 15%.
How does Numverify work?
You send a phone number to Numverify's REST API. It checks against international numbering plans and returns validity, carrier, location, and line type in JSON format.
Who is Numverify best for?
Numverify is best for developers adding phone validation to apps, e-commerce platforms reducing fraud, and marketing teams cleaning SMS lists. It's not ideal for very high-volume enterprise use without custom pricing.
What are the top alternatives to Numverify?
Popular alternatives include Twilio Lookup, Abstract API's phone validation, and Trestle's phone verification service. Each has different pricing and feature sets.
What is the main limitation of Numverify?
The free plan has only 100 requests. For batch processing, paid plans start at $14.99. Also, location data is best for landlines; mobile location accuracy can vary.
