Subprocessors
Last Updated: July 22, 2026
B12 uses trusted third-party companies (“subprocessors”) to help deliver our Services. Our subprocessors are contractually required to protect personal data and to process it only to provide services to B12. Our current subprocessors are listed below.
| Subprocessor | Purpose | Data processed | Location |
|---|---|---|---|
| Amazon Web Services | Cloud hosting & data storage | Customer and account data stored by the Services | USA |
| Stripe | Payment processing | Full payment card and billing data (B12 stores only the last 4 digits) | Global |
| Anthropic | AI/LLM processing (website generation) | Prompts submitted to AI features | USA |
| OpenAI | AI/LLM processing (website generation) | Prompts submitted to AI features | Global |
| AI/LLM processing, web analytics & advertising | AI prompts; site-visitor and customer data, incl. email addresses (analytics & ad audiences) | Global | |
| Meta | Advertising (custom audiences) | Customer email addresses (hashed) | Global |
| Mailgun | Transactional and marketing email delivery | Recipient names, email addresses, and email-campaign engagement data | USA |
| HubSpot | CRM & email marketing | Name, email, and marketing engagement data of customers and leads | Global |
| Cronofy | Calendar scheduling / appointment booking | End-user names, emails, calendar & appointment details | Global |
| Synup | Business listings & local SEO management | Customer business profile and location data | USA |
| Fal.ai | AI media/image generation | Prompts and content submitted to AI features | Global |
| GoDaddy | Domain registration | Domain registrant contact data (name, email, address) | USA |
| Entri | Domain connection / DNS setup | Domain & DNS records; registrant contact data | USA |
| Semrush | SEO analytics | Customer site and connected-account data | USA |
| Canny | Customer feedback management | End-user names, emails, submitted feedback | USA |
| Xodo Sign (formerly Eversign) | E-signatures (Contracts & eSignatures) | Signer names, emails, signed documents | Global |
| Sentry | Error monitoring & performance | IP addresses, user identifiers, and diagnostic data contained in error reports | Global |
| Fireworks AI | AI/LLM processing (website generation) | Prompts submitted to AI features | Global |
“Global” indicates the subprocessor may process data in multiple countries, including the US and EU, per its own terms and DPA.
Our AI subprocessors do not use prompts submitted to B12's AI features to train their models. Prompt data is retained for up to 30 days, except Fal.ai, which retains data until it is deleted by B12.