Cellular for any product. In any country.
Build your
network.
Today.
From a single eSIM to your own MVNO. Add cellular connectivity to any product, anywhere in 200+ countries. Test in sandbox in minutes — no card, no sales call.
One SIM connects everywhere
Same price per GB worldwide
ML-based cost & quality switching
Local phone numbers in 18 countries
In production at
Build your network. In minutes.
Configure the connectivity, see live pricing, test in sandbox. Production unlocks when you're ready.
How do you want to integrate?
Three ways to access Firsty. Each unlocks a different speed-to-launch.
Pick your use case.
Travel apps
Add eSIM to your travel app in a weekend. We already power Firsty Free for 1.2M+ travelers — now you can power your own.
IoT & devices
Embedded eSIM for connected products. Fleet management, sensors, wearables, payment terminals.
MVNOs
Launch a branded mobile network without a 12-month integration. Multi-operator routing built-in.
Support & sales
Phone numbers in 18 countries for customer-facing call centers. Local presence, global reach.
Fintech & identity
OTP delivery, KYC verification, transaction routing. Higher deliverability than SMS aggregators.
AI agents
Give AI agents real-world voice and data presence. SIM-as-a-service for agentic systems.
A different kind of network.
Most cellular APIs route through one MNO. Firsty routes through many, automatically, per session, per cohort. That's the difference between a reseller and a real network.
| Firsty | Traditional eSIM API | MVNE / Wholesale | |
|---|---|---|---|
| Multi-MNO routing per session | ✓ | —(single MNO) | —(single MNO) |
| AI-driven carrier optimization | ✓ | — | — |
| Self-serve sandbox, no card | ✓ | partial | —(sales call) |
| Time to first SIM | Minutes | Days | Months |
| Real-time CDRs & usage | ✓ | ✓ | —(batch) |
| Single global rate | ✓ | per country | per country |
| Silent IMSI swap (OTA) | ✓ | — | — |
| Branded SPN white-label | ✓ | limited | ✓ |
Questions we get every week.
Got questions?
Building something complex, working on volume, or want to discuss custom integration? We're here to help.