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    Unitpost

    Email and SMS infrastructure, run by your agent.

    Unitpost

    Unitpost

    Email and SMS infrastructure, run by your agent.

    M
    Mikhail Vasilev

    Screenshots

    Screenshot 1
    Screenshot 2
    Screenshot 3
    Screenshot 4
    Freemium
    Developer Platform
    Email
    AI Agents
    Built with
    Next.jsNext.js

    Unitpost is an email and SMS platform for developers and the AI agents they build. Send transactional email, marketing campaigns and SMS from one account, over a REST API, nine official SDKs, an SMTP relay or an MCP server. Your AI agent sends the messages: Cursor, Claude Code, Codex and other MCP clients connect with OAuth and get the same actions as the dashboard, from sending an email to verifying a domain. In the dashboard, Unit, the built-in assistant, designs templates and launches campaigns, and it asks before anything goes out. SMS reaches 177 countries, with two-way texting on US and Canadian numbers. STOP and quiet hours are enforced at send time. Bounces and complaints suppress the address automatically, and webhooks are signed and retried. Pricing is one flat monthly price that is also your sending balance for email and SMS. Contacts are unlimited on paid plans. The free plan includes 5,000 emails a month.

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