Developer email platform with SMS and a hosted MCP server
Unit, the built-in AI assistant, drafting an email campaign
1 / 3Overview
What is Unitpost?
Email and SMS infrastructure, run by your agent.
Unitpost handles transactional email, campaigns and SMS for developer teams.
For AI agents. A hosted MCP server at mcp.unitpost.com/mcp lets Cursor, Claude Code and other MCP clients sign in with OAuth and send email or SMS, manage contacts, templates and domains, with the same permissions as the dashboard.
For code. Integrate over the REST API, one of nine SDKs or SMTP. Webhooks report delivery events, and inbound email reaches your app the same way.
Unit assistant. The in-app assistant drafts templates and campaigns, then asks before it sends.
Pricing. SMS reaches 177 countries. One monthly price becomes your sending balance, contacts are unlimited on paid plans, and the first 5,000 emails each month are free.
Platforms and languages
Unitpost Availability
Platforms
Languages
Capabilities
Unitpost Key Features
Hosted MCP server
Cursor, Claude Code and other MCP clients connect to mcp.unitpost.com/mcp with OAuth and can send email and SMS, manage contacts and templates.
Email and SMS on one account
Send transactional email, campaigns and SMS (177 countries) over a REST API, nine SDKs or SMTP, with webhooks for delivery events and inbound email.
Unit assistant
Unit drafts templates and campaigns from a prompt and asks for your approval before anything sends.
Plans and access
Unitpost Pricing
Freemium
Free plan: 5,000 emails a month. Paid plans start at $10/month; the monthly price becomes your sending balance for email and SMS. Unlimited contacts on paid plans.
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