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Sequenzy sends lifecycle email for your product. Automate onboarding and billing journeys, send campaigns to targeted segments, and deliver transactional email such as receipts and password resets. Most of what you do in the dashboard is also available through the API, the CLI, and AI agents over MCP.
Sequenzy home dashboard with callouts showing the AI question box, 30-day email performance, and the Create menu

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What you can build

Sequences

Automated journeys triggered by signups, events, tags, or segments

Campaigns

One-time email and SMS broadcasts to lists and segments

Transactional email

Receipts, password resets, and notifications sent from your app

Subscribers

Contacts with tags, custom attributes, lists, and activity history

Events

Track what people do in your product and react to it

Analytics

Deliverability, opens, clicks, and conversions for every email

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How it fits together

Your app sends subscribers and events to Sequenzy, directly or through integrations such as Stripe, Clerk, and Supabase. Sequences react to those events, campaigns reach the segments you choose, and transactional email goes out the moment your app asks for it.

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Choose your path

Send your first email

Create an API key, add a subscriber, and send a transactional email in about five minutes

Use Sequenzy from your AI assistant

Connect ChatGPT, Claude, Cursor, Codex, or another MCP client

Sync users and billing

Connect your auth and billing providers so email reacts to signups, trials, and payments

Switch from another tool

Move transactional email, sequences, contacts, and campaigns in phases

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API basics

All API requests go to https://api.sequenzy.com/api/v1 and authenticate with an API key. See Authentication for key types and scopes, or browse the API reference.

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Need help?