generated: '2026-07-11' method: derived source: openapi/claude-messages-api.yml summary: types: - apiKey api_key_in: - header schemes: - name: ApiKeyAuth type: apiKey in: header parameter: x-api-key description: API key for authenticating requests. Obtain from the Anthropic Console at https://console.anthropic.com sources: - openapi/claude-messages-api.yml