SMS
SMS that lands in seconds.
Direct carrier routes in 190+ countries. Smart fallback, opt-out handling, and STIR/SHAKEN out of the box.
Avg. latency
84 ms
Delivery rate
99.4%
WhatsApp Business API now in GAMessaging that
Messaging that
actually delivers.
Sentify is one API for SMS, Email, and WhatsApp — built for engineers who care about inbox placement, latency, and the boring stuff that wins customers.
Free 10,000 messages · no credit card
POST /v1/messages200 OK · 84ms
// One API. Three channels.
await sentify.messages.send({
channel: "whatsapp",
to: "+14155550123",
template: "order_confirmed",
variables: { order: "A-1029" }
});Trusted by teams shipping at scale
Linear
Cursor
Notion
Ramp
Vercel
Loom
Channels
Three channels. One mental model.
Stop juggling vendors. Send through any channel with the same request shape, the same dashboards, the same billing.
Email
Email built for the inbox.
Warmed-up IPs, perfect SPF/DKIM/DMARC, and React-based templates. Transactional and broadcast on one engine.
Inbox placement
98.1%
Time to first byte
112 ms
WhatsApp
WhatsApp without the paperwork.
Managed Business API access. Template approval, two-way conversations, and rich media — without touching Meta's portal.
Open rate
92%
Approval time
< 24h
Developer experience
An SDK you'll actually want to use.
Typed SDKs for Node, Python, Go, and Ruby. Webhook signatures, idempotency keys, and retries handled for you. Local dev with a built-in inbox so you never spam your team.
- End-to-end type safety, generated from OpenAPI
- Idempotent sends with replay-safe webhooks
- Sandbox inboxes for every channel
- Live tail of every request in the dashboard
sentify.ts
import { Sentify } from "sentify";
const sentify = new Sentify(process.env.SENTIFY_KEY);
// Same shape, any channel
const sms = sentify.sms.send({ to, body });
const email = sentify.email.send({ to, subject, react });
const wa = sentify.whatsapp.send({ to, template });
// Or route automatically by user preference
await sentify.messages.send({
to: user.id,
channel: "auto",
payload: { kind: "order_confirmed", id }
});Reliability
Boring, by design.
The infrastructure your on-call rotation deserves. Built on multi-region active-active with carrier-grade routing.
99.99%
API uptime, 12-month rolling
<100ms
Median send latency, globally
190+
Countries with direct routes
SOC 2
Type II, HIPAA, GDPR ready