generated: '2026-08-02' method: searched source: live GET probes of every apis.yml host and OpenAPI servers[] host note: >- api.blockchain.com and api.blockchain.info answer HTTP 200 with an HTML single-page-app shell for every /.well-known/* path, so a 200 from those hosts is NOT a document. Only text/plain or application/json bodies are recorded as hits below. hosts: - host: https://www.blockchain.com documents: - path: /.well-known/security.txt status: 200 content_type: text/plain file: blockchain.com-security.txt - path: /.well-known/openid-configuration status: 404 - path: /.well-known/oauth-authorization-server status: 404 - path: /.well-known/oauth-protected-resource status: 404 - path: /.well-known/api-catalog status: 404 - path: /.well-known/ai-plugin.json status: 404 - path: /.well-known/agent-card.json status: 404 - path: /.well-known/agent.json status: 404 - host: https://blockchain.info documents: - path: /.well-known/security.txt status: 200 content_type: text/plain note: identical body to www.blockchain.com; canonical points at www.blockchain.com file: blockchain.com-security.txt - path: /.well-known/openid-configuration status: 404 - path: /.well-known/oauth-authorization-server status: 404 - path: /.well-known/oauth-protected-resource status: 404 - path: /.well-known/api-catalog status: 404 - path: /.well-known/ai-plugin.json status: 404 - path: /.well-known/agent-card.json status: 404 - path: /.well-known/agent.json status: 404 - host: https://api.blockchain.com documents: - path: /.well-known/security.txt status: 200 content_type: text/html hit: false note: HTML SPA catch-all, not a document - path: /.well-known/openid-configuration status: 200 content_type: text/html hit: false note: HTML SPA catch-all, not a document - path: /.well-known/oauth-authorization-server status: 200 content_type: text/html hit: false note: HTML SPA catch-all, not a document - path: /.well-known/oauth-protected-resource status: 200 content_type: text/html hit: false note: HTML SPA catch-all, not a document - path: /.well-known/agent-card.json status: 200 content_type: text/html hit: false note: HTML SPA catch-all, not an AgentCard - path: /.well-known/agent.json status: 200 content_type: text/html hit: false note: HTML SPA catch-all, not an AgentCard - host: https://api.blockchain.info documents: - path: /.well-known/security.txt status: 200 content_type: text/html hit: false note: HTML SPA catch-all, not a document - path: /.well-known/agent-card.json status: 200 content_type: text/html hit: false note: HTML SPA catch-all, not an AgentCard - path: /.well-known/agent.json status: 200 content_type: text/html hit: false note: HTML SPA catch-all, not an AgentCard - host: https://docs.blockchain.com documents: - path: /.well-known/security.txt status: 404 - path: /.well-known/openid-configuration status: 404 - path: /.well-known/oauth-authorization-server status: 404 - path: /.well-known/api-catalog status: 404 - path: /.well-known/ai-plugin.json status: 404 - path: /.well-known/agent-card.json status: 404 - path: /.well-known/agent.json status: 404 summary: security_txt: true openid_configuration: false oauth_authorization_server: false api_catalog: false ai_plugin: false agent_card: false