generated: '2026-09-19' method: searched description: 'Results of probing the /.well-known/ discovery surface on every host the record knows: the registrable domain coinrailz.com (also the only OpenAPI servers[] host, the A2A host and the MCP host - /mcp is served from the primary domain, there is no mcp.coinrailz.com), www.coinrailz.com (no DNS record), and the Cloudflare Worker gateway named in llms.txt and the extended agent card. coinrailz.com is an SPA whose catch-all answers 200 text/html (14128 bytes) for every unknown path, so only distinct application/json bodies were accepted; genuine misses return a JSON 404 that lists the platform''s knownPaths. Rows marked extra: true are provider-specific discovery documents beyond the closed canonical list, saved because they are real and self-describing.' hosts: - host: https://coinrailz.com documents: - path: /.well-known/security.txt status: 404 note: JSON 404 body listing the platform's knownPaths; no security.txt at the well-known path or at /security.txt (SPA shell). - path: /.well-known/openid-configuration status: 404 - path: /.well-known/oauth-authorization-server status: 404 - path: /.well-known/oauth-protected-resource status: 404 note: No RFC 9728 metadata; the MCP endpoint is unauthenticated, tools/list answered anonymously. - path: /.well-known/api-catalog status: 200 type: application/json file: coinrailz-com-api-catalog.json note: Provider catalog document (catalog_version 1.1.0, openapi link, 80 services, discovery block). Not RFC 9727 linkset-shaped but a real JSON catalog. - path: /.well-known/ai-plugin.json status: 200 type: application/json file: coinrailz-com-ai-plugin.json note: schema_version v1, api.type openapi -> https://coinrailz.com/openapi.json - path: /.well-known/ucp.json status: 404 - path: /.well-known/acp.json status: 404 - path: /.well-known/aauth-resource.json status: 404 - path: /.well-known/apis.json status: 404 - path: /apis.json status: 200 type: text/html note: SPA catch-all shell (14128 bytes, same as every unknown path). Not an APIs.json; not saved. - path: /apis.yml status: 200 type: text/html note: SPA catch-all shell. Not saved. - path: /.well-known/agent-card.json status: 200 type: application/json file: ../a2a/coinrailz-com-agent-card.json note: A2A card - see a2a/. extra: true - path: /.well-known/agent.json status: 200 type: application/json file: ../a2a/coinrailz-com-agent-legacy.json note: Legacy A2A path, different body - see a2a/. extra: true - path: /.well-known/mcp.json status: 200 type: application/json file: coinrailz-com-mcp.json note: 'MCP discovery: endpoints tools_list/tools_call/services.' extra: true - path: /.well-known/mcp-server.json status: 200 type: application/json file: coinrailz-com-mcp-server.json extra: true - path: /.well-known/server-card.json status: 200 type: application/json file: coinrailz-com-server-card.json note: MCP server card with 80 tools, transport/auth/payment blocks. extra: true - path: /.well-known/x402.json status: 200 type: application/json file: coinrailz-com-x402.json note: 'x402 manifest v2.12: facilitator api.cdp.coinbase.com, payTo, quickstart, networks.' extra: true - path: /.well-known/pricing.json status: 200 type: application/json file: coinrailz-com-pricing.json note: Per-service USDC prices by category (updated 2026-09-19). extra: true - path: /.well-known/payment-methods.json status: 200 type: application/json file: coinrailz-com-payment-methods.json extra: true - path: /.well-known/agent-instructions.json status: 200 type: application/json file: coinrailz-com-agent-instructions.json note: '"How to Do Business with Coin Railz" - onboarding, payment paths, pricing tiers, troubleshooting.' extra: true - path: /.well-known/agent-registration.json status: 200 type: application/json file: coinrailz-com-agent-registration.json note: Registration schema (POST same path; idempotencyKey walletAddress; 10 registrations/IP/min). extra: true - path: /.well-known/mcp-integration.json status: 200 type: application/json file: coinrailz-com-mcp-integration.json extra: true - path: /.well-known/webmcp.json status: 200 type: application/json file: coinrailz-com-webmcp.json extra: true - path: /.well-known/awi.json status: 200 type: application/json file: coinrailz-com-awi.json extra: true - path: /.well-known/mpp.json status: 200 type: application/json file: coinrailz-com-mpp.json note: Machine Payments Protocol manifest. extra: true - path: /.well-known/agent-card-extended.json status: 200 type: application/json file: ../a2a/coinrailz-com-agent-card-extended.json extra: true - path: /.well-known/agent-directory.json status: 200 type: application/json note: OASF agent-directory listing one agent; not saved. extra: true - path: /.well-known/service-manifest.json status: 200 type: application/json note: 31 KB service manifest; superset of x402-services.json; not saved. extra: true - path: /.well-known/x402-services.json status: 200 type: application/json note: 44 KB; the same 80 services as openapi-x402-services.json; not saved. extra: true - path: /llms.txt status: 200 type: text/plain file: ../llms/coinrailz-com-llms.txt extra: true - host: https://www.coinrailz.com note: DNS does not resolve (curl exit 6); nothing probed. documents: - path: /.well-known/security.txt status: 0 note: no DNS - path: /.well-known/openid-configuration status: 0 note: no DNS - path: /.well-known/oauth-authorization-server status: 0 note: no DNS - path: /.well-known/api-catalog status: 0 note: no DNS - path: /.well-known/ai-plugin.json status: 0 note: no DNS - path: /.well-known/apis.json status: 0 note: no DNS - path: /apis.json status: 0 note: no DNS - host: https://coinrailz-x402-gateway.coinrailz.workers.dev note: Cloudflare Worker gateway (status healthy, gateway version 2.12.0, upstream https://coinrailz.com). Serves / and /catalog only. 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/oauth-protected-resource status: 404 - path: /.well-known/api-catalog status: 404 - path: /.well-known/ai-plugin.json status: 404 - path: /.well-known/apis.json status: 404 - path: /apis.json status: 404 - path: /.well-known/agent-card.json status: 404 - path: /.well-known/agent.json status: 404