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Company details
Written by the company
Unitpost is an email delivery platform for every message a product needs, from password resets and receipts to newsletters and marketing campaigns, sent through API, SDKs, or AI agents using MCP. Product and marketing mail share one contact list, one system, and one bill. Describe a welcome email or a full campaign and Unitpost builds the templates and connections for you to approve before anything sends. Dashboard, API, SDKs, and MCP are the same product, so anything you can do in the UI an agent can do too, with full visibility into what happened. Paid plans include unlimited contacts and you pay for a sending balance rather than stored people. The same contacts and balance are meant to grow beyond email into SMS, WhatsApp, and automations. The engine behind Unitpost is also open source as @unitpost/email, with a JSON model, constrained TSX, and a cross-client renderer that works standalone or with Unitpost. It includes a visual editor, React-based customization, deliverability optimization, and pay-per-send pricing for developers and product teams who want reliable email infrastructure in one place.
Contact info
2055 Limestone Road STE 200-C, 19808, Wilmington, United States
- support@unitpost.com
- unitpost.com
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