ProWebLook WhatsApp Number Checker
FreemiumLiveLast verified 24 Sept 2026
Checks whether a phone number has an active WhatsApp account, including business accounts.
Example request
curl -s 'https://lookup.proweblook.com/api/v1/wavalidation?api_key=$API_KEY&phone_number=%2B14155552671'
Free tier, in plain English
30 free credits a month with no credit card, then pay-as-you-go credit packs or a subscription plan.
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