Plain

Plain provides AI support infrastructure for B2B teams to build and manage customer support solutions.

Subprocessors (18)

Processed Jul 23, 2026 · source disclosure ↗

vendor	purpose	evidence
Amazon Web Services UK	Hosting/Infrastructure	“Cloud provider” source
Anthropic Global	AI/LLM Provider	“AI/LLM Provider” source
Braintrust US	AI/LLM Provider	“AI/LLM Provider” source
Cloudflare, Inc Distributed	Hosting/Infrastructrure, Firewall && DDoS protection	“Cloud monitoring” source
Datadog Google	Cloud monitoring	“Cloud monitoring” source
Google Distributed	Hosting / Infrastructure	“Cloud provider” source
Keel UK	Engineering	“Hosting / Infrastructure” source
Omni US	Reporting & Analytics	“Reporting & Analytics” source
OpenAI US	AI/LLM Provider	“AI” source
Polytomic US	Data storage and processing	“Data storage and processing” source
PostHog US	Data analytics	“Data analytics” source
Postmark US	Email processing	“Email Infrastructure” source
Render EU	Cloud provider	“Infrastructure / Hosting” source
Salesforce US	CRM	“CRM integration” source
Segment US	Analytics / Reporting	“Analytics / Reporting” source
Supabase US	Cloud provider	“Cloud provider” source
Turbopuffer EU	Database & Hosting	“Database & Hosting” source
Vercel Distributed	Hosting/Infrastructure	“Hosting” source