Unitpost is an email delivery platform that handles all types of email your product needs: password resets, receipts, newsletters, and marketing campaigns. Send emails via API, SDKs, or directly from AI agents using MCP.
1. All customer messages in one place
Product + marketing messages
One contact list
One system
One bill
2. Describe it. We build it.
Describe a welcome email or full campaign
Unitpost builds the templates and connects everything
You approve before anything goes out
3. Same actions everywhere
Dashboard, API, SDKs, and MCP are one product
If you can do it in the UI, an agent can do it
Full visibility into what happened
4. Pay for sending, not for storing people
Unlimited contacts on paid plans
Your monthly price is a sending balance
5. Built to grow beyond email
Same contacts, same balance
More channels (SMS, WhatsApp — Soon)
Automations that connect the steps (Soon)
One system, not multiple tools
6. Open-source email components
Same engine that powers Unitpost
Available as @unitpost/email
JSON model + constrained TSX + cross-client renderer
Works standalone or with Unitpost
Key features include:
Visual editor and React-based customization
Built-in deliverability optimization
Unlimited contacts with pay-per-send pricing model
Designed for developers and product teams who need reliable email infrastructure from a single platform.





