Unitpost

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.