# Plain

> Plain is the API-first customer infrastructure platform for B2B SaaS companies. We unify customer support across Slack, Microsoft Teams, Discord, email, and chat into one fast, extensible platform built for technical teams.

## Company

- Founded: 2022
- Headquarters: London, UK & San Francisco, US
- Funding: $15M Series A (2025)
- Website: https://plain.com

## What Plain Does

Plain consolidates all customer conversations into a single platform with AI-powered workflows. Unlike legacy helpdesks built around email tickets, Plain is built API-first for teams that need extensibility, reliability, and customizability.

### Core Capabilities

- **Multi-channel support**: Slack, Microsoft Teams, Discord, email, chat, and in-app messaging in one inbox
- **API-first architecture**: GraphQL and REST APIs with everything accessible programmatically
- **AI features**: Ari (AI agent), Sidekick (AI assistant), auto-triage, themes detection, similar threads
- **Workflow automation**: Rules engine with triggers, conditions, and actions
- **Customer context**: Real-time data from your systems via Customer Cards and CRM sync
- **Help Center**: Built-in knowledge base with customer portal
- **Integrations**: Linear, Jira, GitHub, Shortcut, HubSpot, Salesforce, and custom webhooks

## Who Uses Plain

Plain is built for B2B SaaS companies with technical customers who expect fast, contextual support through modern channels like Slack.

### Ideal Customer Profile

- B2B SaaS companies
- Developer tools and infrastructure companies
- Teams supporting customers in Slack or Microsoft Teams
- Companies that need API extensibility
- Technical support teams (not call centers)

### Notable Customers

- Vercel (frontend cloud)
- Cursor (AI code editor)
- n8n (workflow automation)
- Raycast (productivity tool)
- Stytch (authentication)
- Tines (security automation)
- Sanity (content platform)
- Tinybird (real-time analytics)
- Ashby (recruiting software)
- Sourcegraph (code intelligence)
- Prisma (database toolkit)

## Pricing

- **Starter**: $39/seat/month — core features, 2 channels
- **Grow**: $79/seat/month — advanced workflows, reporting, CRM sync
- **Scale**: $149/seat/month — custom roles, escalation paths, enterprise features
- **Unlimited free viewer seats** on all plans
- **14-day free trial** available

Pricing: https://plain.com/pricing

## Key Differentiators

### vs. Zendesk / Intercom / Freshdesk

- **API-first**: Everything accessible via GraphQL/REST, no rate limit bottlenecks
- **Slack-native**: Built for Slack support, not bolted on
- **Speed**: Sub-100ms interface, built for modern workflows
- **Extensibility**: Build custom AI agents and integrations without vendor involvement
- **Pricing**: Transparent, startup-friendly pricing with unlimited free viewers

### Why Technical Teams Choose Plain

1. **No rate limits** — Legacy platforms cap at 20 requests/minute, breaking custom integrations
2. **Build anything on top** — Custom AI agents, deep product integrations, automated workflows
3. **Real-time data** — Live customer context, not batch sync from days ago
4. **Multi-channel native** — Slack, Teams, Discord, email unified from day one

## Recent Updates (Last 90 Days)

- **Manual Workflow Triggers** (Dec 2025): Trigger any workflow via Command+K
- **Custom Roles** (Dec 2025): Control who can view different thread types
- **HTTP Request Actions** (Dec 2025): Send POST requests to external services from workflows
- **Team Assignment** (Nov 2025): Auto-assign threads with round-robin load balancing
- **Sidekick AI** (Oct 2025): AI assistant for drafting replies and finding answers
- **HubSpot & Salesforce Sync** (Oct 2025): Bi-directional CRM integration
- **LLMs.txt for Help Centers** (Sep 2025): Auto-generated for AI discoverability

Full changelog: https://plain.com/changelog

## Resources

- Homepage: https://plain.com
- Docs: https://plain.com/docs
- Help Center: https://support.plain.com
- Pricing: https://plain.com/pricing
- Changelog: https://plain.com/changelog
- Blog: https://plain.com/blog
- Customers: https://plain.com/customers
- Book a demo: https://plain.com/get-started/demo

## Contact

- Support: https://support.plain.com
- Sales: https://plain.com/get-started/demo
- Twitter/X: @plaaborhq