{"domain":"royal-gateway-x402.fly.dev","count":2,"changes":[{"captured_at":"2026-09-28T13:33:37","card_hash":"29ffee0e1f1faab773360c478c35833dcf7a0d028811dd73c2e2fda166d5026f","previous_card_hash":"be6211232f6b1e4ac6dee867ff4274ca2e61aeb88adc18a386a19d1896185da4","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"supportedInterfaces","before":[{"url":"https://royal-gateway-x402.fly.dev/a2a","transport":"JSONRPC"}],"after":[{"url":"https://royal-gateway-x402.fly.dev/a2a","transport":"JSONRPC","protocolBinding":"JSONRPC","protocolVersion":"1.0"}]}],"other_changed":false,"is_empty":false,"human_summary":"supportedInterfaces https://royal-gateway-x402.fly.dev/a2a ( → https://royal-gateway-x402.fly.dev/a2a ("}},{"captured_at":"2026-09-28T12:35:16","card_hash":"be6211232f6b1e4ac6dee867ff4274ca2e61aeb88adc18a386a19d1896185da4","previous_card_hash":null,"diff":{"skills_added":[{"id":"cheapest-endpoint-finder","name":"Cheapest paid endpoint finder","description":"Given a task (NFT floor data, image generation, email scoring, skill search, contract review...), returns the cheapest live catalog endpoint that fulfills it with its method+URL+price, derived from the same generated catalog as /pricing.md (currently NanoBanana /api/generate-image at $0.01).","tags":["pricing","optimization","x402","usdc","base"],"inputModes":null,"outputModes":null},{"id":"endpoint-health-probe","name":"Fleet availability status","description":"Summarizes live service health: GET /services pings every catalog member's /health with a 5s timeout and reports healthy/error/unreachable per service.","tags":["health","uptime","observability","x402","free"],"inputModes":null,"outputModes":null},{"id":"machine-readable-surfaces","name":"Machine-readable discovery surfaces","description":"Guides agents to the gateway's free surfaces: / (full catalog JSON), /services (live health of every service), /categories, /pricing.md, /llms.txt, /sample, /docs (OpenAPI 3), /.well-known/x402.json (all 402 accepts keyed by absolute URL). All generated from one catalog source.","tags":["discovery","openapi","x402","json","free"],"inputModes":null,"outputModes":null},{"id":"platform-catalog-guide","name":"Fleet catalog guide (free)","description":"Ask this agent in plain text which 16 Royal Agentic x402 services exist, what their 27 paid endpoints cost, and how to pay with x402 — answered free over A2A JSON-RPC, no payment, no downstream calls.","tags":["catalog","pricing","discovery","x402","free","agent-to-agent"],"inputModes":null,"outputModes":null},{"id":"x402-payment-onboarding","name":"x402 payment onboarding (free)","description":"Explains the 4-step x402 v2 flow: POST unpaid, decode the 402 PAYMENT-REQUIRED header, sign a USDC EIP-3009 transferWithAuthorization on Base, resend with PAYMENT-SIGNATURE. Names the canonical treasury and USDC contract from the catalog.","tags":["x402","usdc","eip-3009","onboarding","base"],"inputModes":null,"outputModes":null}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"Royal Agentic Enterprises — x402 Platform Gateway"},{"field":"description","before":null,"after":"Royal Agentic Enterprises x402 platform catalog: 16 live paid services and 27 endpoints discoverable in one place (USDC on Base, per-call, no API keys, $0.01–$5.00). The gateway itself is free: catalog, machine pricing, OpenAPI, A2A guidance. Live machine-readable pricing: /.well-known/x402.json."},{"field":"version","before":null,"after":"2.0.0"},{"field":"protocolVersion","before":null,"after":"1.0"},{"field":"url","before":null,"after":"https://royal-gateway-x402.fly.dev/a2a"},{"field":"documentationUrl","before":null,"after":"https://royal-gateway-x402.fly.dev/pricing.md"},{"field":"preferredTransport","before":null,"after":"JSONRPC"},{"field":"supportedInterfaces","before":null,"after":[{"url":"https://royal-gateway-x402.fly.dev/a2a","transport":"JSONRPC"}]},{"field":"securitySchemes","before":null,"after":{}},{"field":"security","before":null,"after":[]},{"field":"capabilities","before":null,"after":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":[{"uri":"https://x402.org","description":"x402 v2 payment gating across the catalog: USDC (eip155:8453, contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), scheme exact, payTo treasury 0x7861db4efc14a1ed5dd8c96c528a3796560f1393. The live 402 challenge on each service is authoritative.","required":false}]}},{"field":"provider","before":null,"after":{"organization":"Royal Agentic Enterprises","url":"https://royal-gateway-x402.fly.dev"}}],"other_changed":true,"is_empty":false,"human_summary":"added 5 skills · name ∅ → Royal Agentic Enterprises — x402 Platfor · description ∅ → Royal Agentic Enterprises x402 platform  · version ∅ → 2.0.0 · protocolVersion ∅ → 1.0 · url ∅ → https://royal-gateway-x402.fly.dev/a2a · documentationUrl ∅ → https://royal-gateway-x402.fly.dev/prici · preferredTransport ∅ → JSONRPC · supportedInterfaces ∅ → https://royal-gateway-x402.fly.dev/a2a ( · securitySchemes ∅ →  · security ∅ → [] · capabilities ∅ → extensions, pushNotifications, stateTran · provider ∅ → Royal Agentic Enterprises"}}]}