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WriteSignal
Template — pending review. This document is a working draft that describes how WriteSignal currently handles data. Confirm your legal entity name, jurisdiction and contact addresses, and have counsel review it before relying on it in a customer contract.

Sub-processors

Last updated: September 3, 2026

WriteSignal uses the third-party providers below to deliver the service. Each processes only the data needed for its function, under contractual confidentiality and (for AI providers) no-training terms. Confirm the exact legal entities and hosting regions before publishing.

Current sub-processors

ProviderPurposeData processedRegion
SupabaseDatabase, authentication and edge functionsAccount data, saved analyses, usage records[confirm region]
Lovable CloudApplication hosting & AI gatewayRequests, and text sent to the assistant[confirm region]
Google (Gemini via AI gateway)AI processing for proofread/rewrite/humanize/gradeText you submit to the assistant[confirm region]
OpenAIFallback AI processing (when configured)Text you submit to the assistant[confirm region]
StripePayment processing (paid plans)Billing details (handled by Stripe)Global

Changes

We will update this list before adding or replacing a sub-processor that handles personal data. Institutional customers under a data processing agreement can request advance notice of changes. Questions: [privacy@your-domain].