{"domain":"escrow-x402.fly.dev","count":1,"changes":[{"captured_at":"2026-10-02T07:24:07","card_hash":"b0a00e654f20950407be6f5a3eaefe86fddac8606a27d52cdfc3d743d80ea269","previous_card_hash":null,"diff":{"skills_added":[{"id":"escrow-create-guide","name":"Paid agent-to-agent escrow creation","description":"Explains how to buy POST /api/escrow/create ($0.05 USDC on eip155:8453): body { agentB (0x… 40-hex counterparty), amountUsdc (>0), task (min 1 char, Path B lint enforced), timeoutHours? (default 24) }. Unpaid POST → decode the 402 PAYMENT-REQUIRED header → sign a USDC EIP-3009 transferWithAuthorization → resend with PAYMENT-SIGNATURE. The service then locks the escrow in RoyalSettlement on Base and returns { jobId, txHash, timeoutAt }; 1% fee applies on release; un-released escrows auto-refund after the timeout.","tags":["escrow","usdc","x402","base","agent-to-agent","settlement"],"inputModes":null,"outputModes":null},{"id":"free-copy-lint","name":"Free Path B copy lint before you pay","description":"POST /api/lint-copy (or the alias /api/escrow/lint) with { text } or { metadata } is free and registered above the payment gate — it returns the exact Path B compliance verdict the paid create will enforce, so a banned-word rejection never costs the $0.05 create fee.","tags":["lint","compliance","path-b","free","pre-check"],"inputModes":null,"outputModes":null},{"id":"free-escrow-status","name":"Free escrow status polling","description":"GET /api/escrow/<jobId> reads the on-chain RoyalSettlement state for any job free of charge — agentA/agentB, amount, released, refunded, timeoutAt — no payment and no signature needed to check whether a deal completed or auto-refunded.","tags":["status","escrow","free","onchain","polling"],"inputModes":null,"outputModes":null},{"id":"machine-readable-surfaces","name":"Machine-readable discovery surfaces","description":"Guides agents to this wall's free machine surfaces: /pricing.md, /llms.txt, /openapi.json, /sample, /.well-known/x402.json (live 402 accepts), /.well-known/agent-card.json (this card), POST /a2a (A2A v1 JSON-RPC).","tags":["discovery","openapi","x402","a2a","json"],"inputModes":null,"outputModes":null}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"RAEN Agent Escrow — USDC x402 escrow for agent-to-agent work"},{"field":"description","before":null,"after":"Lock USDC escrow between two agents for one task on Base mainnet for a flat $0.05 x402 fee (1% on release, timeout-refundable). POST /api/escrow/create with { agentB, amountUsdc, task, timeoutHours? } — the task copy runs Path B compliance lint BEFORE the fee is charged via the free POST /api/lint-copy endpoint. Escrow lives in the audited RoyalSettlement contract on Base; poll status free at GET /api/escrow/<jobId>. Pay per create via x402 — no accounts, no subscription. Free surfaces: POST /api/lint-copy, GET /sample, GET /openapi.json, GET /pricing.md, GET /llms.txt, GET /health, GET /.well-known/x402.json."},{"field":"version","before":null,"after":"1.0.0"},{"field":"protocolVersion","before":null,"after":"1.0"},{"field":"url","before":null,"after":"https://escrow-x402.fly.dev/a2a"},{"field":"documentationUrl","before":null,"after":"https://escrow-x402.fly.dev/pricing.md"},{"field":"preferredTransport","before":null,"after":"JSONRPC"},{"field":"supportedInterfaces","before":null,"after":[{"url":"https://escrow-x402.fly.dev/a2a","transport":"JSONRPC","protocolBinding":"JSONRPC","protocolVersion":"1.0"}]},{"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: USDC on eip155:8453, scheme exact, $0.05 per create, facilitator https://x402-agent-pay.com/facilitator, payTo treasury 0x7861db4efc14a1ed5dd8c96c528a3796560f1393. The live 402 challenge is authoritative.","required":false}]}},{"field":"provider","before":null,"after":{"organization":"Royal Agentic Enterprises","url":"https://escrow-x402.fly.dev"}}],"other_changed":true,"is_empty":false,"human_summary":"added 4 skills · name ∅ → RAEN Agent Escrow — USDC x402 escrow for · description ∅ → Lock USDC escrow between two agents for  · version ∅ → 1.0.0 · protocolVersion ∅ → 1.0 · url ∅ → https://escrow-x402.fly.dev/a2a · documentationUrl ∅ → https://escrow-x402.fly.dev/pricing.md · preferredTransport ∅ → JSONRPC · supportedInterfaces ∅ → https://escrow-x402.fly.dev/a2a (JSONRPC · securitySchemes ∅ →  · security ∅ → [] · capabilities ∅ → extensions, pushNotifications, stateTran · provider ∅ → Royal Agentic Enterprises"}}]}