Data transparency

Service Provider and Subprocessor Register

Providers are listed by function. A provider receives data only when the relevant website, account, payment, communication, or AI feature is used.

Last reviewed: July 12, 2026

Accessibility.build service providers and their processing functions
Provider	Purpose	Data categories	When used	Provider policy
Clerk	Authentication, account management, and session security	Account identifiers, name, email, authentication and session data	Used for account features	View policy
Vercel	Hosting, content delivery, performance, and aggregate analytics	Request, device, network, performance, and deployment data	Used across the website	View policy
Google Analytics	Optional website usage analytics	Consent-dependent browser, page, event, and approximate location data	Loads only after analytics consent	View policy
Stripe	International payment processing, billing, fraud prevention, and refunds	Billing identity, payment and transaction data	Used when Stripe is the selected payment provider	View policy
Razorpay	India-region payment processing, billing, fraud prevention, and refunds	Billing identity, payment and transaction data	Used when Razorpay is the selected payment provider	View policy
OpenAI	AI-assisted tool features	Feature input such as prompts, images, code, or issue descriptions	Used only by features configured for OpenAI	View policy
Anthropic and OpenRouter	Alternative AI-assisted analysis and generation	Feature input such as prompts, code, or issue descriptions	Used only when the relevant model provider is selected	View policy
Sanity	Content management and blog delivery	Published editorial content and content-management account data	Used for published content	View policy
Formspree and Resend	Contact-form delivery and requested or transactional email	Name, email, message, organization, and email delivery metadata	Used when a form or email workflow is requested	View policy

Change notification

This register is updated when a material provider or processing function changes. Customers with a separately agreed data-processing notification term receive notice through the agreed channel.