Subprocessors

Effective date: July 9, 2026

Bookster uses the following service providers ("subprocessors") to deliver the service. All processing occurs in the United States.

Subprocessor	Purpose	Personal data categories
Amazon Web Services (AWS)	Cloud services: AI model hosting (Bedrock), transactional email (SES), address geocoding (Location Service), automated PII detection/redaction (Comprehend), file storage (S3), DNS (Route 53)	Booking data and AI conversation content as needed for each function
Anthropic (models hosted on AWS Bedrock)	AI models powering the booking assistant	Booking conversation content
Render	Application and database hosting	All service data
Clerk	Authentication and identity management	Account holder name, email, login metadata
Braintrust	AI quality monitoring and evaluation	Complete AI conversation transcripts, per Braintrust's privacy policy
Better Stack (incl. Sentry error monitoring)	Infrastructure monitoring, logs, error tracking, and public status page hosting (status.bkstr.io)	Technical/log data — structured identifiers, not personal details; error reports are scrubbed of request contents; status page visitor technical data per Better Stack's privacy policy
Mintlify	Documentation site hosting (docs.bkstr.io)	Docs visitor technical and usage data (e.g., page views, search queries), per Mintlify's privacy policy