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📊 Intel view 📋 Audit JSON 🔄 Changelog
78
A2A v1.0.0 x402 micropay

x402

docs.x402.org
🛡
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Verify the domain docs.x402.org via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
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🔔 Watch this agent for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Enterprise feature. Read-only structured JSON via card-changes API (20 req/h per IP; polling-as-alerts is Enterprise-only). Sign in to subscribe
Trust score
21/100
grade F · 9 criteria
Uptime
accumulating
1/5 probes
Revenue · 30d
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
changed
1 snapshots tracked
Owner
unverified
claim this listing →
F
Conformance score: 21/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
fail Live JSON-RPC 0/25
DNS dead or connection refused.
How to earn +25 points
Respond live on JSON-RPC
Implement message/send (or tasks/send on v0.x). Return a 200 with a valid JSON-RPC response. Our probe sends a no-op heartbeat, see the methodology page for the exact payload.
Docs →
fail Protocol version 0/10
No protocolVersion in card.
How to earn +10 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
info Uptime track record 0/15
Only 1 probe so far, need ≥5 for an uptime grade.
partial Skill declaration 6/10
Declares 1 skill, usable but thin.
How to earn +4 points
Declare your skills
Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags`. We canonicalise these into the global skill taxonomy on next probe.
Docs →
fail Verified Identity 0/10
No provider organisation declared. Anonymous agent.
How to earn +10 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass Freshness + modern flags 5/5
declares 1 modern capability flag(s) (x402); seen in upstream source within 0d
info Security declaration 0/5
No securitySchemes declared (common for open agents, not penalised).
⚠ Card drift detected. This agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 calls Public aggregate · no PII recorded

No calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.

Card history

1 snapshot Every change to agent-card.json
Captured Hash
2026-05-28 02:36:58 current 0437f1e4e6ac… view →
Uptime
100.0%
1 probes
Response
528ms
last probe
Skills
1
declared
Streaming
SSE-capable

Skills · 1 declared · mapped to canonical taxonomy

X402

Use when building or integrating HTTP-based payment systems, monetizing APIs with crypto payments, implementing usage-based billing, or enabling AI agents to au…

canonical x402 Crypto Micropayment match 89%

Health · last 1 probes

When HTTP Live JSON-RPC Latency
2026-05-28 02:36:58 200 528ms

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Embed your Agenstry badge

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Agenstry grade Uptime
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/docs.x402.org.svg)](https://agenstry.com/agents/docs.x402.org)
[![Verified Business](https://agenstry.com/badge/docs.x402.org/identity.svg)](https://agenstry.com/agents/docs.x402.org)
[![Uptime](https://agenstry.com/badge/docs.x402.org/uptime.svg)](https://agenstry.com/agents/docs.x402.org)
[![A2A version](https://agenstry.com/badge/docs.x402.org/protocol.svg)](https://agenstry.com/agents/docs.x402.org)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON
{
  "schemaVersion": "0.2.0",
  "name": "x402",
  "url": "https://coinbase-5dac824f.main-kill-isr.mintlify.me/",
  "version": "1.0.0",
  "documentationUrl": "https://coinbase-5dac824f.main-kill-isr.mintlify.me/",
  "capabilities": {
    "streaming": false
  },
  "skills": [
    {
      "id": "x402",
      "name": "X402",
      "description": "Use when building or integrating HTTP-based payment systems, monetizing APIs with crypto payments, implementing usage-based billing, or enabling AI agents to autonomously pay for resources. Reach for this skill when you need to add payment requirements to HTTP endpoints, build clients that handle 402 responses, or integrate with blockchain-based payment settlement.",
      "tags": [],
      "url": "https://coinbase-5dac824f.main-kill-isr.mintlify.me/.well-known/agent-skills/x402/skill.md"
    }
  ]
}