Sequenzy is an email marketing platform for SaaS companies and online stores, made by Sequenzy. One account sends three kinds of email: campaigns (one-off sends and newsletters to a list), automated flows (sequences that each subscriber moves through based on what the subscriber does), and transactional email (single messages such as receipts, which a program sends through a REST API or SMTP).
Flows start on events: Stripe trial, payment and cancellation events, events from the business's own app, or a contact joining a list. Sequenzy's AI reads the business's website and drafts emails with its logo, colors and tone; nothing is sent until a person approves it. Hosted signup forms, popups and landing pages add subscribers. Each payment is credited to the last email the customer opened or clicked, so every email shows its revenue. AI agents can run the account through an MCP server (Model Context Protocol, a standard way for AI agents to call outside tools).
It is a hosted service. The price depends on the number of emails sent each month, not on the number of contacts; a free plan covers 2,500 emails a month.