Plain vs Sendmux
Neck and neck on boosts. Profiles, pricing and deals below.
Plain
Support built for B2B and developer tools
community boosts
⚡ 0
pricing
Paid
what it is
Plain is a lean, API-first support platform designed for technical products: shared inbox, Slack-native workflows and customer context pulled from your own systems. Support tooling that feels like an engineering tool.
Sendmux
The Email API for AI Agents, with Inboxes
community boosts
⚡ 0
pricing
Freemium
what it is
Sendmux is an email API that gives every AI agent a real inbox. Send and receive, route outbound through your own providers, and fail over automatically.