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SMSMobileAPI / Product

Product

Check if a number is on WhatsApp – WhatsApp Check Number

WhatsApp Number Availability Checker Easily verify if a phone number is available on WhatsApp using our stable and high-performance API. Unlike other free verifiers, our system uses secure API key authentication for accurate and reliable r…

Connected phones coordinating chat, email, media and cloud communication
Messaging and email

WhatsApp Number Availability Checker

Easily verify if a phone number is available on WhatsApp using our stable and high-performance API.
Unlike other free verifiers, our system uses secure API key authentication for accurate and reliable results.
Check out our full API documentation here to learn how to send verification requests easily!

The secure SMSMobileAPI mobile app connecting a phone to the web dashboard and REST API for SMS and call operations
Encrypted mobile-to-platform connection

Official mobile application

The secure bridge between your phone, dashboard and API.

SMS and call operations pass through the official SMSMobileAPI app installed on your connected phone. The app securely pairs the device with your account, synchronizes authorized events and links the mobile network to the dashboard and REST API.

1Mobile appPairs the phone and its SIM 2Encrypted linkAuthenticates and protects data in transit 3Dashboard & APIControls workflows and activity
  • Signed releases distributed through the official Google Play and Apple App Store listings
  • Google and Apple platform review, signing and distribution controls
  • Secure device pairing, HTTPS transport and authenticated API access
  • Only the permissions required for the mobile features you enable
Get the official SMSMobileAPI app on Google Play Download the official SMSMobileAPI app on the Apple App Store
Capabilities depend on the permissions and background access allowed by Android or iOS.

WhatsApp API tool

Check a WhatsApp number

Enter the number with its country code, without “+” or “00”. Your API key is used only for this request.