Number Validator

Know who's there
before you send.

Check a whole list at once and keep only the numbers that are actually on WhatsApp. Fewer failed sends, healthier account.

leads_march.csv · checked
1,000
Uploaded
892
On WhatsApp
108
Not found
+91 98201 44552 On WhatsApp
+91 0172 265 1190 Landline
+91 99880 12345 On WhatsApp

Clean lists

Stop messaging
numbers that aren't there.

Sending to dead numbers wastes time and can hurt your account's standing. Clean the list first.

Protect your number

Lots of failed sends look suspicious. Removing invalid numbers keeps your sending healthy.

Spot business accounts

See which contacts use WhatsApp Business — handy for B2B outreach.

Tidy formatting

Adds missing country codes and removes spaces, dashes and duplicates on import.

Questions? Answers.

Does it work with international numbers?

Yes. Numbers from any country are supported and formatted with the correct country code.

How many numbers can I check at once?

Upload your list as a CSV and check it in one batch. Large lists are processed in the background at a safe pace.

Is there an extra fee per check?

No. Number validation is included in every plan.