Plain
Certifications and attestations: SOC 2 Type II
Says it complies with: GDPR
Certifications as listed on Plain's trust center (evidence) ; reports themselves are usually shared on request.
Transparency
Breakdown
| Subprocessor list | 30 / 30 | |
| Processing locations | 8 / 8 | |
| Purposes | partial | 6 / 7 |
| Data processing addendum | 12 / 12 | |
| Trust center | 8 / 8 | |
| Privacy policy | 6 / 6 | |
| security.txt | 6 / 6 | |
| Security page | not found | 0 / 5 |
| Status page | 5 / 5 | |
| Vulnerability disclosure | not found | 0 / 5 |
| Pages still reachable | 8 / 8 | |
| Total | 89 / 100 |
Only documents we can retrieve count: a page behind a login or a broken link scores nothing.
Badge
For Plain's own site; it updates with the rating.
<a href="https://thirdpartyindex.com/vendors/plain"><img src="https://thirdpartyindex.com/badge/plain.svg" alt="Plain transparency rating on Third Party Index" height="20"></a>[](https://thirdpartyindex.com/vendors/plain)Documents
| Document | Verified | Changed | Evidence |
|---|---|---|---|
| Trust center vanta | snapshot | ||
| Subprocessor list vanta | snapshot | ||
| Data processing addendum | snapshot | ||
| Privacy policy | snapshot | ||
| Terms | snapshot | ||
| security.txt | snapshot | ||
| Status page incident.io | snapshot |
Subprocessors
| Name | Purpose | Location | Listed since |
|---|---|---|---|
| Amazon Web Services | Cloud provider; Hosting/Infrastructure | UK | |
| Anthropic | AI/LLM Provider | Global | |
| Attio | CRM software; Sales | US | |
| Baseten | Engineering | ||
| Braintrust | AI/LLM Provider | US | |
| Cloudflare | Cloud monitoring; Hosting/Infrastructrure, Firewall && DDoS protection | Distributed | |
| Customer.io | Marketing; Marketing Analytics | US & EU | |
| Datadog | Cloud monitoring | ||
| Cloud provider; Hosting / Infrastructure | Distributed | ||
| HubSpot | CRM; Marketing | US | |
| Hyperline | Finance and payments | ||
| Keel | Engineering; Hosting / Infrastructure | UK | |
| Linear | Product and design | US | |
| Liveblocks | Real time and collaboration features | US | |
| n8n | Workflow automation | EU | |
| Nango | Integrations | US | |
| Omni | Data analytics; Reporting & Analytics | US | |
| OpenAI | AI; AI/LLM Provider | US | |
| Polytomic | Data storage and processing | US | |
| PostHog | Data analytics | US | |
| Postmark | Email Infrastructure; Email processing | US | |
| Render | Cloud provider; Infrastructure / Hosting | EU | |
| salesforce | CRM integration; This is an opt-in integration that users can use to push customer data between Plain and their CRM. | US | |
| Segment | Analytics / Reporting; Data analytics | US | |
| Slack | Collaboration | Distributed | |
| Stripe | Finance and payments | US | |
| Supabase | Use as our GTM data infrastructure. Stores call recording analysis, customer data, and enrichment data to run out GTM intent engine. It receives signals from RB2B, LinkedIn Ads, and Attio to provide a fit and intent score used by Cargo (through Polytomic/Plain). | Cloud provider | |
| Tinybird | Analytics / Reporting Infrastructure; Data analytics | EU | |
| Turbopuffer | Database & Hosting | EU | |
| Vercel | Hosting; Hosting/Infrastructure | Distributed | |
| WorkOS | Authentication | US | |
| xAI | LLM which reads codebase and helps engineering team to understand existing code and for development. | Engineering |
Listed as a subprocessor by (21)
Purposes as each company states them.
Buildkite buildkite.com API-first customer support platform for B2B companies; Customer support infrastructure for handling inquiries and support tickets
Conveo conveo.ai **Processing Activity Description** Customer Support Services **Data Residency / Processing Location** EU (London) **Headquarters Location** Cheshire, UK; Customer Support
Daily daily.co Customer support
Dash0 dash0.com Customer Support (Issue Tickets)
Depot depot.dev Customer Support
ElevenLabs elevenlabs.io Customer support
Fly.io fly.io Customer support communication
Granola grano.la **Purpose of processing** – Customer support platform. **Hosting location** – United Kingdom **Entity address** – 3rd Floor 1 Ashley Road Altrincham WA14 2DT United Kingdom **Compliance measures** – [Plain Trust Center](https://trust.plain.com/); Operations & Support
Inngest inngest.com
Laravel laravel.com Help desk
MacStadium macstadium.com Customer support management system
Mergify mergify.io Customer support tickets
Mintlify mintlify.com Help Center
Segment segment.com Plain Manages multi-channel customer support communication and service ticket resolution for specific Twilio Products and Services
SendGrid sendgrid.com Plain Manages multi-channel customer support communication and service ticket resolution for specific Twilio Products and Services
Tigris Data tigrisdata.com Customer support communication
Tines tines.com Customer support / ticketing
Twilio twilio.com Plain Manages multi-channel customer support communication and service ticket resolution for specific Twilio Products and Services
Vercel vercel.com Customer support services
Voltage Park voltagepark.com
ngrok ngrok.com Customer Support
Service status
25 incidents in the last 66 days (7 major or critical, 16 minor, 2 with no stated impact) · typically resolved in 33 min · longest major: 3 h 46 min
| Began | Incident | Impact | Lasted |
|---|---|---|---|
| Plain App Degraded | minor | 29 min evidence | |
| Plain app is down | critical | 12 min evidence | |
| Degraded performance | minor | — evidence | |
| Elevated Errors and Delays | major | 11 min evidence | |
| Degraded AI thread processing | minor | 25 min evidence | |
| Insights data delays | minor | 1 h 25 min evidence | |
| Webhooks delivery delayed | minor | 47 min evidence | |
| Webhook deliveries delay | none | 30 min evidence |
As Plain's status page reports its own incidents (scheduled maintenance left out), read every few hours since .
Changes
None since tracking began.