Railway
Application hosting, managed infrastructure surface, PostgreSQL volume, logs, and deployment. Production region is selected during project configuration.
Lemon Squeezy
Merchant-of-record checkout, subscription administration, tax, receipts, invoices, refunds, and payouts when production billing is enabled.
Resend
Transactional and consented lifecycle-digest email delivery when production email is enabled.
Backup storage provider
Encrypted logical database backups when a separate S3-compatible destination is configured. The exact provider and region must be added before production backup upload.
Optional providers
AI extraction, external error reporting, external analytics, external object storage, and social publishing remain disabled until configured and listed here. First-party aggregate product events remain inside the application database hosted by Railway.