Customer data
Subprocessors
Last updated 3 September 2026.
Postelix, a service of Unfair Advantage Ltd, uses the providers below to operate the product. Optional integration providers receive customer data only when a workspace chooses to connect or use that integration. We apply data minimisation and do not permit these providers to use customer data for their own marketing.
| Provider | Purpose | When used |
|---|---|---|
| Supabase | Database, authentication, storage, and Edge Functions. | Core service |
| Vercel | Web application hosting, delivery, and operational logs. | Core service |
| Fly.io | Background-job execution for audience and intelligence processing. | Core service |
| Cloudflare | Turnstile abuse and automated-signup protection. | Signup and public forms |
| Stripe | Checkout, subscriptions, invoices, tax-related billing data, and payment processing. | Billing |
| Resend | Transactional product and account email. | Core service |
| Unipile | Customer-authorised LinkedIn and connected-account operations. | Customer controlled |
| Apify and HarvestAPI | Collection of relevant public professional and company information. | Audience intelligence |
| BetterContact | On-demand business contact-data resolution. | Customer initiated |
| OpenAI and Anthropic | Draft generation, classification, analysis, and product assistance using the minimum context needed for the task. | AI features |
| OpenRouter | Routing AI requests to selected model providers and providing bounded failover when a configured provider is unavailable. | AI features |
| Nango and HubSpot | OAuth connection and CRM synchronisation. | Optional integration |
| Instantly | Customer-authorised email campaign delivery and reply synchronisation. | Optional integration |
| Slack | Workspace notifications sent to a destination chosen by the customer. | Optional integration |
| Google and Microsoft | Optional account sign-in and calendar connections used for scheduling and meeting preparation. | Optional integration |
| AgentMail | Dedicated event-partnership inbox and replies from event organisers. | Event intelligence |
| PostHog and Snitcher | Product analytics and company-level website visitor identification. | Product analytics |
Questions or changes
Business customers can request our Data Processing Agreement or ask about a provider, transfer safeguard, or data category at help@postelix.com.
The legal basis, data categories, retention rules, and individual rights are described in the Privacy Policy. That accepted policy remains the governing notice; this register provides the current operational detail.