Claude's API Can Now Ban One Customer Instead of Your Whole Org. Its Webhook Isn't Live
Book: Event-Driven Architecture Pocket Guide The series: Pocket Guides for Developers — 8 short books on agents, RAG, prompts, observability, events, databases and system design — the whole series My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub You run a SaaS app, a gateway or a reseller on the Claude API. Every…
Claude's API now allows resellers to ban individual customers instead of entire organizations. To implement this feature, users must create a profile for each end customer using the POST /v1/user_profiles endpoint. This profile ID is then sent in the anthropic-user-profile-id header on every request made for that customer. Anthropic's webhook for notifying when a customer is banned is currently not operational.
Profiles are not billable and do not affect pricing. Each profile can have an enforcement_status of unrestricted, restricted, or banned. When a profile is restricted or banned, the API will refuse some or all inference requests made with that profile's ID.
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