Last Updated: January 25, 2026
This page lists the third-party service providers (“subprocessors”) that Hallway engages to process personal data on behalf of our customers. We update this list when we add or remove subprocessors.
What is a Subprocessor?
A subprocessor is a third-party company that Hallway uses to help provide our Services. These companies may process personal data as part of their services to us.
Current Subprocessors
Infrastructure & Hosting
Subprocessor Purpose Data Processed Location Vercel Application hosting, edge functions, CDN Application data, usage logs United States Supabase Database hosting, authentication, file storage Account data, project data, audio files, transcripts United States
Authentication & Security
Subprocessor Purpose Data Processed Location WorkOS Enterprise authentication, SSO User identity, email, auth tokens United States
AI & Processing Services
Subprocessor Purpose Data Processed Location ElevenLabs Voice AI for interviews, real-time transcription Audio streams, conversation data United States OpenAI Insight extraction and analysis (GPT-4o) Interview transcripts, project context United States
Payments & Billing
Subprocessor Purpose Data Processed Location Stripe Payment processing, subscriptions Payment method details, billing history, email United States
Analytics
Subprocessor Purpose Data Processed Location PostHog Product analytics Usage events, session data, user ID United States
Communications
Subprocessor Purpose Data Processed Location Loops Transactional email, notifications Email address, notification content United States Google Workspace Business email, internal operations Business communications United States
Integrations
Subprocessor Purpose Data Processed Location Relay.app Workflow automation between systems Event data, integration payloads United States
Data Processing Details
ElevenLabs
What they do: Powers our AI voice interview feature
Data transmitted: Real-time audio during interviews
Data retention: Per their enterprise data processing terms
Privacy: ElevenLabs Privacy Policy
OpenAI
What they do: Analyzes transcripts to extract insights
Data transmitted: Interview transcripts and project context
Data retention: Zero data retention via API
Privacy: OpenAI Privacy Policy
API Data Handling We use OpenAI’s API with zero data retention enabled. Your data is not used to train OpenAI’s models.
WorkOS
What they do: Handles enterprise authentication and SSO
Data transmitted: User identity, email address, authentication tokens
Privacy: WorkOS Privacy Policy
Stripe
What they do: Processes payments and manages subscriptions
Data transmitted: Payment method details, billing address, transaction history
Security: PCI DSS Level 1 certified
Privacy: Stripe Privacy Policy
PostHog
What they do: Product analytics to improve user experience
Data transmitted: Usage events, session identifiers, user actions
Privacy: PostHog Privacy Policy
Loops
What they do: Sends transactional emails and notifications
Data transmitted: Email address, notification content
Privacy: Loops Privacy Policy
Relay.app
What they do: Automates workflows between Hallway and other systems
Data transmitted: Event data, integration payloads
Privacy: Relay.app Privacy Policy
Google Workspace
What they do: Provides business email and internal operations
Data transmitted: Business email communications
Privacy: Google Privacy Policy
Supabase
What they do: Provides our database, authentication, and file storage
Data stored: User accounts, projects, transcripts, audio recordings
Security: SOC 2 Type II certified
Privacy: Supabase Privacy Policy
Vercel
What they do: Hosts our web application and handles traffic routing
Data processed: HTTP requests, application logs
Security: SOC 2 Type II certified
Privacy: Vercel Privacy Policy
Security Measures
All subprocessors are required to:
Maintain appropriate security measures
Process data only as instructed by Hallway
Assist with data subject requests
Notify us of any security incidents
Delete data upon termination of services
Updates to This List
We may update this subprocessor list from time to time. For enterprise customers with specific notification requirements, please contact us at help@hallwayai.com .
Notification of Changes
When we add new subprocessors, we will:
Update this page with the new subprocessor information
Update the “Last Updated” date
Notify enterprise customers who have requested notifications
Questions
If you have questions about our subprocessors or data processing:
Ten for Ten, LLC (d/b/a Hallway)
Email: help@hallwayai.com
Privacy Policy Learn how we collect and use your information
Terms of Service Read our terms and conditions