Claude API (Anthropic)

Hosts: api.anthropic.com · 5 facts

Silent behavior

• ✅ verified:server:prod · Errors are a JSON object {type: "error", error: {type, message}, request_id}; the vendor code is error.type (e.g. authentication_error) and the request id also comes in the request-id header. · GET /v1/models · env prod

Auth quirks

• ✅ verified:server:prod · invalid x-api-key · GET /v1/models · env prod
• ✅ verified:server:prod · invalid x-api-key · GET /v1/models/{model_id} · env prod
• ✅ verified:server:prod · x-api-key header is required · GET /v1/models · env prod
• ✅ verified:server:prod · x-api-key header is required · GET /v1/models/{model_id} · env prod

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