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HomeCategoriesData ValidationNumverify API

Numverify API

Data Validation

Numverify is a REST JSON API for international phone number validation and lookup covering 232 countries and territories including Nigeria. com), the API provides phone number validity checking, carrier identification, line type classification, and geographic location data in a single lightweight call.

Numverify API Highlights

Numverify API is verified for developer integrations in Nigeria and across African markets, providing documented endpoints, sandbox testing, and developer support.

Authentication

API Access Key (query parameter: ?access_key=YOUR_KEY)

Rate Limit

Free: 100 requests/month. Paid plans scale by tier.

Sandbox Mode
✗ Not Available
Webhooks
Not verified yet
Supported Regions
NigeriaNigeriaGhanaGhanaKenyaKenya
Numverify API Services
Phone Number ValidationCarrier IdentificationLine Type DetectionCountry & Location Data
Alternative African Company to
StripeTwilioAWS

Numverify API is best for:

Nigerian developers and businesses needing basic phone number validation, carrier lookup, and line type detection for 232 countries at an affordable starting price with a free tier.

++++
API Pricing Model
  • Free:100 requests/month
  • Paid plans from $9.99/month
  • Annual billing saves up to 15%
  • All plans include 256-bit HTTPS encryption

Numverify API Core Features & Capabilities

Features Included

Phone Number ValidationCarrier IdentificationLine Type DetectionCountry & Location DataE.164 Format CheckNigerian Number SupportHTTPS Encryption

Not Supported

SIM Swap DetectionBulk ValidationOTP Verification

Required Access Documents for Numverify API

  • Email RegistrationRequired
    Sign up at numverify.com with an email to receive your free API access key. No credit card needed for the free tier.

Different Numverify API use cases

  • Nigerian Phone Number Validation at Signup:Validate Nigerian user phone numbers during app registration using Numverify to confirm the number is real and formatted correctly before sending an OTP or storing in your database.
  • Carrier Detection for SMS Routing:Use Numverify to identify the carrier of a Nigerian user's number and route SMS through the optimal gateway or sender ID for that carrier (MTN, Airtel, Glo, or 9mobile) to improve delivery rates.
  • Fraud Signal via Line Type:Check whether a Nigerian registrant's phone is mobile, landline, or VoIP using Numverify flag VoIP numbers as potential fraud indicators during onboarding.
  • CRM Data Enrichment:Enrich a Nigerian customer contact database by running phone numbers through Numverify to add carrier, location, and line type metadata for better SMS campaign targeting.
  • E-commerce Order Validation:Validate Nigerian customer phone numbers at checkout using Numverify to reduce failed SMS delivery notifications from incorrectly entered numbers.

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