Email. Push. Auth. Webhooks. One API.
The developer platform for transactional messaging, authentication, and webhook delivery. One API for email, push, user auth, and webhooks — with delivery guarantees and full observability.
1,000 emails free
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Setup in minutes
Developer-first API design
Clean, intuitive APIs that feel like Stripe. Full TypeScript support, comprehensive documentation, and SDKs for every major language.
send-email.ts
// Send an email
const response = await fetch('https://api.zyphr.dev/v1/emails', {
method: 'POST',
headers: {
'Authorization': 'Bearer zy_live_xxx',
'Content-Type': 'application/json',
},
body: JSON.stringify({
from: 'hello@yourapp.com',
to: 'user@example.com',
subject: 'Welcome!',
html: '<h1>Welcome to our platform!</h1>',
}),
});
const { data } = await response.json();
console.log(data.message_id); // Ready in < 200msEverything you need to reach your users
One platform, one API, complete visibility. Stop juggling multiple services and start shipping.
Transactional Email
Send emails via AWS SES with templates, tracking, and built-in reputation protection.
Push Notifications
iOS (APNs), Android (FCM), and Web Push (VAPID) — all from one unified API.
Notification Workflows
Design multi-channel notification pipelines with branching, delays, and conditions — all from a visual builder.
Auth-as-a-Service
Drop-in authentication with OAuth, magic links, MFA, and session management.
In-App Inbox
Embeddable notification center for your app. Read/unread tracking, preferences, and real-time updates.
Webhooks-as-a-Service
Reliable webhook delivery for your platform. Standard Webhooks spec, automatic retries, delivery logs, and an embeddable portal for your customers.
Explore the platform
Dive deeper into what Zyphr can do for your product.
The Platform
See how Zyphr unifies auth, email, push, and webhooks in one developer platform — zero glue code.
Platform overview
Explore Features
Email, push, auth, webhooks, workflows, and more — see everything Zyphr offers in one place.
View all features
16+ Integrations
Connect to the email, SMS, push, and chat providers you already use — swap them without changing a line of code.
Browse integrations
Ready to simplify your stack?
Join developers who've consolidated their messaging and auth infrastructure with Zyphr.
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