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Numtrue
Bulk phone number validation via real HLR lookups
NumTrue checks if a phone number is actually live, dead, or disposable, using real HLR/MNP carrier lookups, not regex format-checking. Most "validators" just check format and call a disconnected number valid; NumTrue queries the real carrier network for live/dead status, ported carrier, and disposable/burner detection. Bulk CSV upload or REST API. Pay-as-you-go credits, no subscription, never expire. From $9 for 1,000 lookups, 10 free to start.
Top comment
Hey Product Hunt 👋 I built NumTrue because I kept seeing the same problem: teams paying to text or call numbers that have been dead for months, because format-only "validators" happily say a disconnected number is valid. NumTrue does real HLR/MNP lookups instead, the same carrier-network queries telecoms use, so you actually know if a number is live, dead, ported, or a disposable/burner number before you spend anything on it. No subscription, credits never expire, 10 free credits to try it right now. Would love your feedback, especially if you're validating leads/lists for sales or marketing, that's exactly who I built this for.
About Numtrue on Product Hunt
“Bulk phone number validation via real HLR lookups”
Numtrue was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #158 on the daily leaderboard. NumTrue checks if a phone number is actually live, dead, or disposable, using real HLR/MNP carrier lookups, not regex format-checking. Most "validators" just check format and call a disconnected number valid; NumTrue queries the real carrier network for live/dead status, ported carrier, and disposable/burner detection. Bulk CSV upload or REST API. Pay-as-you-go credits, no subscription, never expire. From $9 for 1,000 lookups, 10 free to start.
On the analytics side, Numtrue competes within API, Marketing and SaaS — topics that collectively have 607.8k followers on Product Hunt. The dashboard above tracks how Numtrue performed against the three products that launched closest to it on the same day.
Who hunted Numtrue?
Numtrue was hunted by kuzey. 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 Numtrue including community comment highlights and product details, visit the product overview.