Plain

Plain · Founded 2021

Paid · Custom

About

Plain is an AI-native customer support platform built for technical B2B teams, featuring Ari (an AI agent for customer interactions) and Sidekick (AI copilot for agents). It provides native integrations with Slack, Teams, Discord, and email with an API-first architecture that allows deep customization and extensibility.

Features

Ari AI agent for customer interactions
Sidekick AI copilot for support agents
API-first architecture with GraphQL APIs
Native Slack, Teams, Discord integration
Real-time conversation analytics
Automated reply generation from knowledge base
Multi-channel support (email, chat, portal)

Integrations

SlackMicrosoft TeamsDiscordEmailCustom via GraphQL API

Reviews (0)

Jul 14, 2026

Plain is one of the best support tools our team has ever used. They're highly customizable, their API is full-featured so we could bake the support experience right into Glue, and the team is incredibly responsive to our needs. Highly recommend.

Evan Owenvia Product Hunt ↗