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WhatsApp Number Checker API
Check if a phone number is registered on WhatsApp
Check a phone number before you message it on WhatsApp. One request returns validity, line type, carrier, location, WhatsApp registration, and business-account detection. For list cleaning and campaigns. Send an E.164 number to GET /wavalidation. 20 free requests per application, then $0.003 each, or $9.99/month for 5,000 and $29.99/month for 30,000. Try 5 live checks per IP a day.
You get back whether the number is valid, the line type, the carrier, the location, whether it is registered on WhatsApp, and whether that account is a business account.
You can try it on the page before creating a key: 5 live checks per IP every 24 hours. A free application includes 20 requests. After that it is $0.003 per request, or $9.99/month for 5,000 requests, or $29.99/month for 30,000.
This is the first API we are launching on its own. One API per week from here.
If you clean phone lists or run WhatsApp outreach, tell me what is missing from the response. I will be here in the comments.
About WhatsApp Number Checker API on Product Hunt
“Check if a phone number is registered on WhatsApp”
WhatsApp Number Checker API was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #226 on the daily leaderboard. Check a phone number before you message it on WhatsApp. One request returns validity, line type, carrier, location, WhatsApp registration, and business-account detection. For list cleaning and campaigns. Send an E.164 number to GET /wavalidation. 20 free requests per application, then $0.003 each, or $9.99/month for 5,000 and $29.99/month for 30,000. Try 5 live checks per IP a day.
On the analytics side, WhatsApp Number Checker API competes within Messaging, Developer Tools and Tech — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how WhatsApp Number Checker API performed against the three products that launched closest to it on the same day.
Who hunted WhatsApp Number Checker API?
WhatsApp Number Checker API was hunted by Chandan Dubey. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of WhatsApp Number Checker API including community comment highlights and product details, visit the product overview.
Chandan Dubey
Hey Product Hunt — I built this because messaging a number that is not on WhatsApp wastes the send and can drag down a WhatsApp Business account.
It is one GET. Pass a phone number in E.164 format:
curl --request GET 'https://gateway.payloadapi.com/whatsapp-validation/v1/wavalidation?phone_number=+14155552671' --header "Authorization: Bearer $PAYLOADAPI_KEY"
You get back whether the number is valid, the line type, the carrier, the location, whether it is registered on WhatsApp, and whether that account is a business account.
You can try it on the page before creating a key: 5 live checks per IP every 24 hours. A free application includes 20 requests. After that it is $0.003 per request, or $9.99/month for 5,000 requests, or $29.99/month for 30,000.
This is the first API we are launching on its own. One API per week from here.
If you clean phone lists or run WhatsApp outreach, tell me what is missing from the response. I will be here in the comments.