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GET
/
api
/
v1
/
checkwanumber
curl "https://lookup.proweblook.com/api/v1/checkwanumber?number=%2B14155552671&api_key=YOUR_API_KEY"

{
  "balance": 1003,
  "status": true,
  "numberstatus": true,
  "businessnumber": false
}
This is our legacy WhatsApp check endpoint. It still works perfectly, but you may also want to use the newer WA Validation endpoint which provides more detailed carrier and location data.

​
Overview

Use this endpoint to quickly check whether a provided phone number has an active WhatsApp account and if it is a WhatsApp Business account.

​
Query Parameters

​
number
string
required
The phone number to check, including the country code (e.g., 919876543210 or %2B14155552671).
​
api_key
string
required
Your ProWebLook API key.

​
Response

​
status
boolean
true if the request was processed successfully.
​
numberstatus
boolean
true if the phone number has an active WhatsApp account.
​
businessnumber
boolean
true if the WhatsApp account is a WhatsApp Business account.
​
balance
integer
Your remaining balance of WhatsApp check credits.
curl "https://lookup.proweblook.com/api/v1/checkwanumber?number=%2B14155552671&api_key=YOUR_API_KEY"

{
  "balance": 1003,
  "status": true,
  "numberstatus": true,
  "businessnumber": false
}