What PostStream handles
You can use one public chat source without an account. If you create a PostStream account, the service stores your name, username, a protected password derivation, subscription state, and security records needed to keep you signed in. Google and Discord accounts use the verified email supplied by that provider instead of a local username.
Public chat content
PostStream reads messages that the selected streaming platform exposes publicly. Those messages are delivered to your browser to build the live feed. The core product does not create a permanent archive of chat messages or viewer profile pictures.
Speech and preferences
Voice choice, language, quality, speed, pitch, volume, and auto-correction and chat-filter preferences are stored in your browser or desktop app. For Streamer subscribers, selected public chat text is sent through PostStream's authenticated service to a trusted AI processor for optional correction, selected hate or joke classification, and real-time speech synthesis. PostStream checks for likely private data before forwarding chat text; detected messages are not sent to the AI processor and may be hidden while a chat filter is enabled. PostStream does not create a permanent archive of those requests or returned audio. The processor may retain limited safety records under its service policies. The desktop app may keep a short-lived, in-memory audio cache to avoid immediately repeating a request.
Payments and connected sign-in
Stripe processes checkout and payment details; PostStream keeps Stripe customer and subscription identifiers, not full card numbers. Stripe collects the billing email used for checkout. If you choose Google or Discord sign-in, that provider supplies the verified account details needed to create or find your PostStream account.
Security and retention
Session credentials are stored as one-way hashes and expire. Billing-event identifiers are retained to prevent duplicate processing. Account and subscription records remain while the account is active or as reasonably needed for security, billing, and legal obligations.