Verify real people, on whichever channel they already trust.
DialSense adds SMS, WhatsApp, voice, and email verification to your platform through one integration - so your users pick the channel that's easiest for them, instead of being stuck with the one you happened to build first.
Talk to us about DialSenseEarly access - built by the team behind SiteSpinner.
Four channels, one integration
SMS & RCS
The most widely adopted verification channel - works on nearly any mobile phone, no app required. Automatically upgrades to RCS on compatible devices for encrypted, lower-latency delivery over Wi-Fi.
The most-used messaging app in over 100 countries. Branded, localized messages with a one-tap "copy code" button, and higher completion rates for international users.
Voice
The reliable fallback - voice calls get priority routing on carrier networks worldwide, localized in dozens of languages. A keypad-press challenge before the code is read confirms a live person answered, not voicemail.
Email passcodes
Zero-friction, zero app download - works anywhere someone already has an inbox. A strong second layer when paired with another channel.
Why offer more than one channel
- Higher completion rates - a user who can't easily receive SMS (bad signal, an international number, a landline) isn't just stuck.
- One integration, not four - add every channel through the same API instead of building and maintaining separate providers.
- A real fallback path - if one channel fails to deliver, the next one is already there.
- Built for real signup flows - not a lab demo, designed around the actual failure modes of getting a code to a real phone.
Try it: bulk phone validation
Paste up to 1,000 US phone numbers (one per line), or upload a .txt/.csv file. Everything below runs in your browser via DialSense's own validation library - nothing is sent to a server.
Want this for your own platform?
DialSense is early access right now. Tell us what you're building and we'll get back to you.
Talk to us