Sub-processors and service providers
Last changed 16 October 2026
Line is a trading name of IMPCT Ltd. Company number 15922036. Registered address: Dores Lane, Romsey, SO51 0QJ. ICO registration: 00015961662.
The companies below support Line. Some process data on our behalf as a controller. Others are sub-processors for customer communications. A connected calendar provider is used only if the customer enables it.
| Provider | Purpose | Data | Location |
|---|---|---|---|
| Supabase | Database, file storage and authentication | Accounts, contacts and communications | Ireland (eu-west-1) |
| Vercel | Web application hosting | Requests, IP addresses and application data | Ireland (dub1); global network |
| Twilio | Calls, SMS and voicemail | Phone numbers, messages, call data and recordings | Ireland (IE1) for voice; US (US1) for messaging |
| Meta | WhatsApp messaging | WhatsApp identifiers and message content | US and global |
| Stripe | Payments and billing | Account and billing details | US and global |
| PostHog | Consent-based product analytics | Usage events and masked recordings | EU project |
| Sentry | Error monitoring and consent-based browser replay | Error context, user ID and masked replay | EU region |
| Anthropic | AI message and transcript processing | Messages, transcripts and agent instructions | US |
| OpenAI | AI voice and text processing | Live call audio, transcripts and instructions | US |
| ElevenLabs | AI speech generation | Call text and audio | US or EU, depending on service configuration |
| TypeSafe (Jev) | Message classification | Message text | Provider location to be confirmed |
| Resend | Transactional and inbound email | Email addresses and message bodies | US |
| Cloudflare | Email routing, voice transport and abuse protection | IP addresses, email routing data and call audio | Global; voice gateway in Western Europe |
| Connected calendars and search indexing | Calendar events and site indexing data | US and global | |
| Microsoft | Connected calendars | Calendar events | US or EU, depending on tenant configuration |
| Expo | Mobile push notification delivery | Push tokens and notification text | US |
| Companies House | Public company lookups | Company search terms | UK |
| Discord | Internal signup alerts | Signup names and email addresses | US |
| GitHub | Internal error triage | Error summaries | US |
We give subscribed customers 30 days' notice before a new sub-processor starts processing customer data. To subscribe or object, email privacy@useline.io. Include your workspace name.