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Canonical OpenAPI JSON This specification documents public machine-readable website resources. It does not expose premium Altss intelligence, authenticated graph queries, bulk extraction, customer data, or automated paid-task execution. All listed GET operations return descriptions, catalogs or JSON Schema documents and require no authentication. Premium intelligence remains authenticated and permissioned in Altss; this specification declares no operational intelligence endpoint, API key, OAuth scope or machine authentication system. Website commercial form submission is deliberately excluded. Platform-level network, WAF and gateway errors are outside the application JSON error contract. Every documented operation has a unique operationId, typed inputs and responses, and security: []. This does not grant premium-data access. No OAuth scopes, API-key instructions, SDK, sandbox or operational endpoint is published. Error responses from the documented application routes are JSON with ok=false, code, error and resolution. Unknown schema filenames return 404; unsupported routed methods return 405. GET and HEAD do not accept task briefs or record identifiers. HEAD/304 responses have no body; infrastructure/network failures are separate from the application contract. Public machine interface guide