Vercel has updated its Terms of Service and Marketplace terms to assign legal responsibility for AI-driven actions on user accounts. Two new defined categories now appear in the terms: 'AI Functionality,' covering Vercel's own AI-powered services including v0, Vercel Agent, WAF natural language rules, and AI Gateway, and 'Third-Party Tools,' covering any external script, agent, or CI/CD pipeline granted account access. If a third-party tool runs up costs using your API key, that liability is yours.

Billing terms are also changing. Fees are no longer tied exclusively to subscription plans. Services like AI Gateway credits can be purchased independently, charged at time of purchase or top-up, and Vercel may issue partial invoices mid-cycle if usage looks unusually high. Enterprise customers can now claim email addresses on verified domains tied to existing accounts, though the enterprise does not gain account or content access without user consent. VeraSafe replaces data protection authorities as the first stop for unresolved EU, UK, and Swiss privacy complaints.

The full terms are at vercel.com/legal/terms. The specific mechanics of how 'Authorized Users' are defined in the Marketplace terms, what triggers a partial invoice, and exactly how domain-claim notifications work for affected accounts are worth reading in full, especially for teams running autonomous deployment pipelines or storing third-party credentials through Vercel Connect.

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