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Delivery is a promise
A message half-delivered is a promise half-kept. We engineer for the last mile, not the average.
Every OTP, shipping alert, and appointment reminder is a small promise. We exist to make sure those promises are kept — reliably, securely, and at a 99.9% delivery rate.
We started with one direct carrier link and a stubborn belief: a message either arrives or it doesn't, and "mostly" isn't good enough. That belief pushed us to build direct relationships instead of renting someone else's routes.
Today that network reaches nearly every handset on earth — and the obsession with delivery hasn't changed. It's still the only number we measure ourselves by.
A message half-delivered is a promise half-kept. We engineer for the last mile, not the average.
Security, privacy, and compliance aren't add-ons. They're built into the network from day one.
Great infrastructure disappears. We hide the complexity so your team can move fast.
We wired up our first carrier relationship, betting that owning the route beats renting it.
Messaging, voice, and verification went programmable — send your first message in minutes.
SMS, RCS, WhatsApp, email, and voice unified behind a single set of credentials.
Silent authentication and AI-driven routing began stopping abuse before it reaches you.
Trusted, verified messaging that gives AI agents a safe channel to real people.
"We don't sell messages. We sell certainty that they'll arrive."
The Sinch team
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