Cantila SMS
SMS and voice from numbers you own.
Cantila SMS is a complete telephony provider — outbound SMS and voice, inbound webhooks, a number marketplace, OTP engine, A2P/10DLC carrier registration. Run product OTPs and company two-way texting from the same place.
Honest about the seams.Cantila SMS lands in Phase 3. Number marketplace, OTP engine, and inbound webhooks are wired through TelephonyProvider; the live carrier path arrives once Telnyx onboarding completes.
What's in the box
Cantila SMS, end to end
Outbound SMS
API, bulk sends, scheduled delivery, templates, delivery receipts, status webhooks.
Inbound SMS
Provisioned numbers accept inbound texts. Webhook to the app. Two-way conversations threaded together.
OTP engine
Code generation, delivery, expiry, rate-limit — first-class, not a side effect of the send API.
Voice
Outbound calls, inbound calls with routing, voicemail with transcription, programmable IVR.
Number marketplace
Browse by country, area code, type, capability. Per-number setup + monthly lease, billed on the same invoice.
Carrier + compliance
10DLC / A2P brand and campaign registration, toll-free verification — handled at provisioning.
SMS lands in Phase 3. Reserve a number.
TelephonyProvider port is live; inbound webhooks parse through it. Live carrier delivery arrives once Telnyx onboarding finishes.