format_version: 1 name: anthropic display_name: Anthropic tier: 1 last_verified: "2026-04-05" keywords: - "sk-ant-api03-" - "sk-ant-admin01-" - "anthropic" patterns: - regex: 'sk-ant-api03-[A-Za-z0-9_\-]{93}AA' entropy_min: 3.5 confidence: high - regex: 'sk-ant-admin01-[A-Za-z0-9_\-]{93}AA' entropy_min: 3.5 confidence: high verify: method: GET url: https://api.anthropic.com/v1/models headers: x-api-key: "{KEY}" anthropic-version: "2023-06-01" valid_status: [200] invalid_status: [401, 403]