Subprocessors
Last updated: June 11, 2026
Melsun uses the following categories of third-party service providers to operate the platform. Actual providers depend on your deployment configuration. See also our Privacy Policy.
Vercel
Hosting, deployment, edge network
Location: United States / global
Privacy / legal informationPostgreSQL provider
Application database (via DATABASE_URL)
Location: As configured by operator
S3-compatible object storage
File and generated asset storage
Location: As configured by operator
OpenAI
Chat, vision, moderation, and some image models
Location: United States
Privacy / legal informationAnthropic, Google, Groq, xAI, DeepSeek, Fal, Replicate
Optional AI model providers when configured
Location: United States / global
ElevenLabs
Voice synthesis and speech-to-speech when Voice app is used
Location: United States / global
Privacy / legal informationStripe / Lemon Squeezy / Polar
Payments and subscriptions when configured
Location: United States / global
Privacy / legal informationPostHog
Product analytics when enabled and consented
Location: United States / EU options
Privacy / legal informationPlausible / DataFast
Privacy-oriented analytics when enabled and consented
Location: EU / global
Privacy / legal informationSentry
Error monitoring when enabled
Location: United States / EU options
Privacy / legal informationEmail provider
Authentication and transactional email
Location: As configured by operator
Questions? Email admin@melsun.com.