A developer-first API that respects your time. Send transactional emails, manage subscribers, and trigger automations. TypeScript SDK with full type safety.
Built for developers who want reliability without complexity.
Clean RESTful endpoints. Intuitive request/response patterns. Documentation that actually helps.
First-class TypeScript support with full type definitions. Catch errors before they ship.
Transactional emails delivered in under 1 second. Your users get critical emails instantly.
One API for transactional and marketing. No more juggling multiple providers.
Sequenzy's API is designed for developers who value simplicity. A few lines of code and you're sending transactional emails with enterprise-grade deliverability.
import Sequenzy from 'sequenzy';
// Initialize the Sequenzy client
const client = new Sequenzy({ apiKey: 'your-api-key' });
// Send using a template (recommended)
const response = await client.transactional.send({
to: 'user@example.com',
slug: 'password-reset',
variables: {
RESET_LINK: 'https://app.example.com/reset?token=abc123',
USER_NAME: 'John',
EXPIRES_IN: '24 hours'
}
});
// Or send with custom content (no template needed)
await client.transactional.send({
to: 'user@example.com',
subject: 'Password Reset Request',
body: '<h1>Reset your password</h1><p>Click the link below...</p>',
variables: {
USER_NAME: 'John'
}
});
console.log('Email queued:', response.jobId);Type-safe SDKs
Full TypeScript support with autocomplete
Automatic retries
Built-in exponential backoff
Webhook events
Real-time delivery notifications
Get started with Sequenzy in just a few steps.
Generate an API key from your dashboard. Takes 30 seconds.
npm install @sequenzy/sdk — TypeScript types included out of the box.
One function call with type-safe parameters. No complex configuration.
Real-time logs, delivery tracking, and webhook events. See exactly what's happening.
See how SaaS teams use Sequenzy developer api.
Password resets, order confirmations, login notifications. Critical emails that can't wait.
Example
sequenzy.send({ to, template, data })
Trigger emails based on user actions in your app. Feature activations, milestones, achievements.
Example
sequenzy.events.trigger({ email, event, properties })
Add users to lists, apply tags, update attributes. Keep your email data in sync with your app.
Example
sequenzy.subscribers.upsert({ email, tags, attributes })
Receive delivery events, opens, clicks, and bounces. Keep your systems in sync.
An API that respects your time and workflow
One price for everything. No per-email fees, no hidden costs.
Start for free
Everything you need to know about Sequenzy Developer API.
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