Solutions
Messaging & voice
Text and call live numbers only
Clean lists in real time so messages land, sender reputation holds, and you stop paying to reach dead lines.
The problem
Messaging disconnected or invalid numbers quietly wrecks your deliverability and carrier standing — and you pay for every failed send.
200+countries covered
What changes with Qualmie
- Drop dead numbers before a campaign send
- Protect sender reputation and carrier trust
- Split mobile vs landline for SMS vs voice
- Stop paying to deliver into the void
The APIs behind it
All products →Liveliness
Is this number active right now?
Confirm a number is well-formed, assigned, and live on a carrier network at request time — not just correctly formatted.
Reachability
Can it receive a call or SMS today?
Know whether a live number can actually take a call or text before you spend on delivery or dialing.
Line & Carrier
Who carries it, and what kind of line?
Resolve the current carrier, country, and line type — mobile, landline, VoIP or toll-free — including ported numbers.