Check WhatsApp Numbers Using API

Our WhatsApp number checker API allows you to bulk check online if a phone number has an active WhatsApp account. The API also provides information about the WA account's status. If a phone number is registered with WhatsApp, it indicates a high level of activity and suggests that it is a frequently used number.

Discover More

The best Number Checker for WhatsApp

A simple way to check if a number uses WhatsApp (WA) Messenger.

We provide many features you can use.

  • Verify bulk lists of numbers
  • Verify numbers imported from CSV file
  • 100% accurate and High-Speed Validator
  • Validate any numbers from any country
  • Save checked history list
  • Download the Success/Failure/All list to a CSV file

Check if a number is on WhatsApp

United States +1
{
status:"OK"
message:{
number:"+17253100591"
whatsapp:"yes"
status_update:""
signature:""
avatar:"yes"
region:"Nevada"
carrier:""
}
pricingStrategy:"PAY"
transactionId:"kbqgbh7zyx3see7qmbyxqn"
}

Frequently Asked Questions

How to check online if a number is on WhatsApp?

Select the country code, enter the phone number you want to check, and click the 'Check online status' button to get the results.

WhatsApp Number Checker API JSON Result explanation

What is WhatsApp Number Checker API?

How to check WhatsApp numbers in bulk?

Which countries are supported?