| SupabaseCore | Primary application database, authentication and file storage. Holds workspace accounts, leads, messages, qualification answers and audit records. | London, United Kingdom (eu-west-2) |
| VercelCore | Hosting and delivery of the application and marketing site, including request routing, function execution and short-lived operational logging. | United States (primary compute), with a global edge network |
| StripeCore | Subscription billing, checkout, card processing, invoicing and tax calculation. Card details are entered into Stripe-hosted fields and never reach our servers. | European Union and United States |
| Cloudflare R2Core | Object storage for workspace logos, uploaded CSV import files, support attachments, quote and invoice PDFs and, where voice recording is turned on, call recordings; and network protection in front of the site. Stored files are served only through short-lived signed URLs. | European Union jurisdictional restriction applied to stored objects |
| TwilioCore | Delivery of outbound SMS and WhatsApp messages and receipt of inbound replies, including delivery receipts and opt-out keywords. Where a customer turns on the AI Voice Sales Agent, also the dedicated phone number and the telephone connection for its calls. | Ireland and United States |
| Retell AIOnly if enabled | Runs the AI Voice Sales Agent's calls: speech recognition, the voice, and the real-time connection between the call and ClientTurn's agent. Only used when a customer turns voice on. | United States, hosted on Amazon Web Services US regions (Retell AI's privacy policy: data is primarily stored and processed in the United States). |
| ResendCore | Transactional email: sign-in and verification messages, billing notices, product notifications, and follow-up email to leads where email follow-up is configured. | United States |
| Microsoft Azure OpenAI ServiceOnly if enabled | Optional AI assist. Classifies the intent of an inbound reply and extracts a candidate answer to a question the customer has already configured. It never composes a price, quote, availability or service-area commitment, and the deterministic rules always make the decision. | European Union (EU data boundary; customer data is not used to train models) |
| Google PlacesOnly if enabled | Company discovery for Find Leads: finds businesses matching the customer's search (industry and area) so their own websites can be read. Only used when a customer runs a Find Leads search. | European Union and United States |
| Meta Lead AdsCustomer-enabled | Source of the leads a customer receives. Meta delivers lead form submissions and campaign attribution fields for the pages and forms the customer connects. | European Union and United States |
| Google CalendarCustomer-enabled | Reading availability and writing bookings into the connected calendar, where a customer connects one. | European Union and United States |
| CalendlyCustomer-enabled | Booking pages and appointment records, where a customer connects Calendly instead of a calendar. | United States |
| Advertising platformsCustomer-enabled | Where a customer connects an advertising account for attribution, we return conversion signals for the leads that platform generated. | European Union, United Kingdom and United States |
| CRM and notification destinationsCustomer-enabled | Where a customer connects a CRM or Slack, we push the lead and its status into that system on the customer's instruction. | Determined by the customer's own tenancy with that provider |