This task can be performed using WhatsApp Number Lookup
WhatsApp Number Checker/Lookup/Filter
Best product for this task

WhatsApp Number Lookup
marketing
CheckNumber.AI provides professional and free WhatsApp number check online service, and provides a professional WhatsApp Number Checker API that can quickly check and detect WhatsApp number in bulk.

What to expect from an ideal product
- Run quick checks to see if any phone number is on WhatsApp before you message
- Bulk verify multiple international numbers at once to clean your contact lists
- Get instant results showing if a number is active on WhatsApp without manually checking
- Use the API to automatically validate WhatsApp numbers in your business tools
- Screen international phone numbers in real-time before adding contacts or sending messages