Card snapshot
briefsnap-x402.fly.dev
·
2026-09-28 17:48:54 UTC
·
2bb995498f041815349dd9ef464ae1205bae19605a9c40297b40d60a65c650fd
This is a frozen copy of the agent's agent-card.json as we observed it at the timestamp above. We capture a new snapshot every time the card's content hash changes. Useful for: forensic drift analysis, verifying downstream callers see the right version, reproducing routing decisions made historically.
{
"name": "BriefSnap \u2014 AI Document Summarizer (RAEN x402)",
"description": "Pay per call in USDC on eip155:8453 and get structured AI document work back from Claude: summarize ($1.00), extract action items/decisions/deadlines ($1.50), ELI5 explainers ($1.00), or two-document comparison ($3.00). Text up to 50,000 characters; JSON output. No API keys, no subscription \u2014 x402 only. Free surfaces: GET /sample (static demo of every endpoint), GET /pricing.md, GET /llms.txt, GET /about, GET /.well-known/x402.json, GET /openapi.json.",
"version": "1.0.0",
"protocolVersion": "1.0",
"url": "https://briefsnap-x402.fly.dev/a2a",
"supportedInterfaces": [
{
"url": "https://briefsnap-x402.fly.dev/a2a",
"transport": "JSONRPC",
"protocolBinding": "JSONRPC",
"protocolVersion": "1.0"
}
],
"preferredTransport": "JSONRPC",
"provider": {
"organization": "Royal Agentic Enterprises",
"url": "https://briefsnap-x402.fly.dev"
},
"documentationUrl": "https://briefsnap-x402.fly.dev/pricing.md",
"capabilities": {
"streaming": false,
"pushNotifications": false,
"stateTransitionHistory": false,
"extensions": [
{
"uri": "https://x402.org",
"description": "x402 v2 payment gating: USDC on eip155:8453, scheme exact, /api/summarize $1.00, /api/extract-actions $1.50, /api/eli5 $1.00, /api/compare-docs $3.00, facilitator https://x402-agent-pay.com/facilitator, payTo treasury 0x7861db4efc14a1ed5dd8c96c528a3796560f1393. The live 402 challenge is authoritative.",
"required": false
}
]
},
"defaultInputModes": [
"application/json",
"text/plain"
],
"defaultOutputModes": [
"application/json",
"text/plain"
],
"skills": [
{
"id": "document-work-guide",
"name": "Document summarization, extraction, ELI5, comparison (paid)",
"description": "Explains the four paid endpoints (/api/summarize $1.00, /api/extract-actions $1.50, /api/eli5 $1.00, /api/compare-docs $3.00) and the x402 buy flow: unpaid POST \u2192 decode the 402 PAYMENT-REQUIRED header \u2192 sign a USDC EIP-3009 transferWithAuthorization \u2192 resend with PAYMENT-SIGNATURE. Request bodies: { text } (summarize/extract-actions/eli5) or { doc_a, doc_b } (compare-docs).",
"tags": [
"summarize",
"extract-actions",
"eli5",
"compare-docs",
"x402",
"usdc",
"documents"
],
"examples": [
"Summarize a 40-page contract for me \u2014 what do I send and how do I pay?"
]
},
{
"id": "free-sample-preview",
"name": "Free sample previews of every endpoint",
"description": "Points to GET /sample \u2014 static, unpaid demo payloads showing the exact JSON output shape of all four endpoints, plus GET /pricing.md for the human+machine price sheet and /.well-known/x402.json for the live payment contract.",
"tags": [
"sample",
"free",
"preview",
"pricing",
"manifest"
],
"examples": [
"Show me a free example of the extract-actions output before I pay."
]
},
{
"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, /about, /sample.json, /.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"
],
"examples": [
"Where is the machine-readable pricing manifest for this service?"
]
}
],
"securitySchemes": {},
"security": []
}