Messaging platform
Send the same alert as a plain SMS, a WhatsApp message or a rich RCS card — one integration, automatic fallback, unified delivery analytics.
A business messaging platform sends A2P (application-to-person) messages — OTPs, order updates, reminders, campaigns — and receives customer replies, across SMS, WhatsApp and RCS from one system. Under the hood it manages the parts that make messaging hard: sender registrations, template approvals, carrier routing, retries, delivery receipts and the 24-hour conversation windows that rich channels bill by.
Reach is the reason messaging outperforms every other channel: SMS lands on every handset without internet, WhatsApp carries two billion users, and RCS upgrades the native SMS inbox with branding and buttons. A platform that runs all three lets you match the message to the moment — and fall back automatically when a channel can't deliver.
Everything on this page rolls up to one integration: one API to send, one webhook for replies and receipts, one dashboard for campaigns and analytics across all three channels.
Channel chooser
Every A2P messaging channel has a job it does best. Match the message to the channel, and let fallback cover the gaps.
| Use case | SMS | RCS | |
|---|---|---|---|
| OTPs & transactional alerts | Best | Good | Good |
| Marketing campaigns | Good | Best | Best |
| Two-way customer support | — | Best | Good |
| Rich product showcases | — | Good | Best |
| Reach without internet | Best | — | — |
“Best” reflects typical delivery, engagement and cost per use case — your mix may differ; we'll help you model it.
Channels
Deep-dive into the channel you need — capabilities, compliance and pricing units are different on each.
Bulk SMS & SMS API
The universal channel: OTPs, alerts and promotions delivered to every handset on earth.
- Transactional, OTP & promo routes
- 160 chars/part (GSM), 70 (Unicode)
- Registered sender IDs
WhatsApp Business API
Two-way conversations with 2B+ users — templates, rich media and verified business profiles.
- Verified profile (green tick)
- Template + session messages
- Send and receive via API
RCS Business Messaging
SMS upgraded: branded, verified senders with rich cards, carousels and action buttons.
- Branding & verified trust marks
- Rich cards & suggested replies
- Automatic SMS fallback
Unified API
Define the message once and set a channel chain. If the handset can't receive RCS or the user isn't on WhatsApp, the same message lands as SMS — no second integration, no dropped alerts.
- Single REST API and webhook format across all three channels
- Fallback chains: RCS → SMS, WhatsApp → SMS, or any order you choose
- One delivery-receipt stream and one analytics view across channels
- Sender/template compliance applied automatically per channel
The flows our customers run on this platform every day — usually across two or three channels at once.
Fintech & banking
Transaction alerts and OTPs on SMS, statements and support conversations on WhatsApp.
E-commerce & D2C
Order updates on RCS with SMS fallback; cart recovery and delivery chats on WhatsApp.
Logistics
Driver assignments by SMS, live delivery conversations with customers on WhatsApp.
Healthcare
Appointment reminders on SMS, results delivery and rescheduling over WhatsApp chat.
SaaS & apps
Login OTPs and security alerts on SMS, onboarding and renewal nudges on WhatsApp.
Travel
Booking confirmations on SMS, boarding passes and gate changes as rich RCS cards.
Channel choice, fallback and how the billing units actually work.
A2P (application-to-person) messaging is any message a software system sends to a person — OTPs, delivery alerts, reminders, promotions. The reverse direction, P2A, is what enables two-way conversations on WhatsApp and RCS.
Start a project
Tell us your use case and monthly volumes; we'll recommend a channel mix and send the rate card.
- Reply within one business day
- Free scoping session, no obligation
- You keep the scope document either way