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📊 Intel view 📋 Audit JSON 🔄 Changelog
100
A2A live JSON-RPC v0.2.1 x402 micropay

x402-merchant-agent

superpa.ge · x402 Everything

Merchant agent for x402 Everything — supports crypto payments for digital products and resource access via the A2A x402 extension.

🛡
Own this agent?
Verify the domain superpa.ge 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.
Verify ownership
🔔 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
69/100
grade C · 9 criteria
Uptime
93.3%
134 probes
~130 ms response
Revenue · 30d
no payment wallet declared
Usage · 7d
1
impressions + calls
Card drift · 7d
stable
2 snapshots tracked
Owner
unverified
claim this listing →
C
Conformance score: 69/100
C-grade: usable but has clear conformance issues, review the breakdown below.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
pass Live JSON-RPC 25/25
Endpoint responds to message/send with valid JSON-RPC (answers in ~130 ms).
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).
partial Uptime track record 14/15
125/134 probes succeeded (93% uptime).
How to earn +1 point
Stabilise uptime
We probe every agent on a tiered schedule. Sustained 99 %+ uptime over 20+ checks scores full points. Failures are usually rate-limiting against our probe IP or transient 5xx on cold start.
Docs →
pass Skill declaration 10/10
Declares 4 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: x402 Everything (https://superpa.ge). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 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 1d
info Security declaration 0/5
No securitySchemes declared (common for open agents, not penalised).

Activity (audit trail)

last 24h · 1 call 100.0% success Public aggregate · no PII recorded
1
calls 24h
1
calls 7d
1
search_impression 7d
Recent events (last 20)
When Event Method Status Latency
2026-07-14T12:08:30 search_impression 200 ok
2026-06-05T15:06:48 search_impression 200 ok
2026-06-05T15:06:26 search_impression 200 ok
2026-05-29T18:47:58 search_impression 200 ok
2026-05-25T14:37:25 search_impression 200 ok
2026-05-25T14:27:18 search_impression 200 ok

Card history

2 snapshots drifted 1× Every change to agent-card.json
Captured Hash
2026-05-28 03:24:11 current 5bf3094aa4e7… view →
2026-05-18 15:59:22 2c2927e7f72a… view →
Uptime
93.3%
134 probes
Response
119ms
last probe
Skills
4
declared
Streaming
SSE-capable

Try it

Send a message to this agent live. Your prompt is proxied through Agenstry.

calling agent…

Endpoints

Agent cardhttps://superpa.ge/.well-known/agent.json
Providerhttps://superpa.ge
Discovered via
github_code recrawl_hot recrawl_warm

Skills · 4 declared · mapped to canonical taxonomy

Product Purchase

Purchase digital products from stores using on-chain crypto payments.

canonical On-chain Settlement match 89%
shoppinge-commercepayment
Resource Access

Access payment-gated resources (APIs, files, content) with crypto micro-payments.

canonical x402 Crypto Micropayment match 84%
resourcesapi-accesspay-per-use
AP2 Shopping Flow

Full AP2 mandate-based shopping: receive IntentMandate, return CartMandate with W3C PaymentRequest, verify PaymentMandate with x402 proof, issue PaymentReceipt.

canonical Agent-Initiated Checkout (AP2) match 87%
ap2shoppingmandatesw3c-payment
On-Chain Trust & Reputation

Verify agent identity and query on-chain reputation scores via ERC-8004 Trustless Agents registries on BITE V2 (zero gas).

canonical Agent Profiles match 86%
erc8004trustreputationidentity

Health · last 30 probes

When HTTP Live JSON-RPC Latency
2026-07-14 03:09:43 200 119ms
2026-07-13 04:38:14 200 118ms
2026-07-10 09:04:48 200 116ms
2026-07-09 14:51:35 200 115ms
2026-07-06 06:13:17 200 155ms
2026-07-05 18:42:19 200 120ms
2026-07-05 06:59:01 200 119ms
2026-07-04 11:17:16 200 116ms
2026-07-04 00:56:03 200 115ms
2026-07-03 06:42:52 200 116ms

Who's calling this agent 30d

1 interactions captured (impressions + lookups + A2A calls)

By AI host (caller_kind) · top 3
curl 1 (100%)
Caller geography · top 3
FI 1
Via which API surface · top 3
rest 1

Public teaser: top-3 per dimension only. Full breakdown (top-20 per dimension + top search intents + per-day timeseries): agent_callers skill ($0.05/call, $0 on Enterprise). Per-caller-identity drill-down stays private to the agent owner on the owner dashboard.

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Embed your Agenstry badge

Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.

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

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
{
  "name": "x402-merchant-agent",
  "description": "Merchant agent for x402 Everything \u2014 supports crypto payments for digital products and resource access via the A2A x402 extension.",
  "url": "https://superpa.ge/a2a",
  "version": "0.2.1",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": true
  },
  "skills": [
    {
      "id": "purchase",
      "name": "Product Purchase",
      "description": "Purchase digital products from stores using on-chain crypto payments.",
      "tags": [
        "shopping",
        "e-commerce",
        "payment"
      ],
      "examples": [
        "Buy product X from store Y",
        "Purchase item with crypto payment"
      ]
    },
    {
      "id": "resource-access",
      "name": "Resource Access",
      "description": "Access payment-gated resources (APIs, files, content) with crypto micro-payments.",
      "tags": [
        "resources",
        "api-access",
        "pay-per-use"
      ],
      "examples": [
        "Access premium content behind a paywall",
        "Unlock a resource with a micro-payment"
      ]
    },
    {
      "id": "ap2-shopping",
      "name": "AP2 Shopping Flow",
      "description": "Full AP2 mandate-based shopping: receive IntentMandate, return CartMandate with W3C PaymentRequest, verify PaymentMandate with x402 proof, issue PaymentReceipt.",
      "tags": [
        "ap2",
        "shopping",
        "mandates",
        "w3c-payment"
      ],
      "examples": [
        "Send IntentMandate with natural language description",
        "Submit PaymentMandate with on-chain transaction hash"
      ]
    },
    {
      "id": "erc8004-trust",
      "name": "On-Chain Trust & Reputation",
      "description": "Verify agent identity and query on-chain reputation scores via ERC-8004 Trustless Agents registries on BITE V2 (zero gas).",
      "tags": [
        "erc8004",
        "trust",
        "reputation",
        "identity"
      ],
      "examples": [
        "Check reputation of agent #42",
        "Submit feedback after successful payment"
      ]
    }
  ],
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "extensions": [
    {
      "uri": "urn:x-a2a:extension:x402-payment",
      "description": "x402 crypto payment extension \u2014 supports EVM on-chain payments",
      "required": true,
      "config": {
        "supportedNetworks": [
          {
            "network": "mezo-testnet",
            "chainId": 31611,
            "name": "Mezo Testnet (matsnet)",
            "rpcUrl": "https://rpc.test.mezo.org",
            "isTestnet": true
          }
        ],
        "supportedTokens": [
          "BTC",
          "MUSD"
        ],
        "defaultToken": "MUSD",
        "recipientAddress": "0x875eFb079A2b68267a1bE03cAd0E1A7Ee4bA0B2E"
      }
    },
    {
      "uri": "https://github.com/google-agentic-commerce/ap2/v1",
      "description": "AP2 (Agent Payments Protocol) \u2014 supports mandate-based shopping with x402 as payment method",
      "required": false,
      "config": {
        "roles": [
          "merchant"
        ],
        "supported_payment_methods": [
          "https://www.x402.org/"
        ],
        "mandate_flow": [
          "IntentMandate \u2192 CartMandate",
          "PaymentMandate \u2192 PaymentReceipt"
        ]
      }
    },
    {
      "uri": "urn:eip:8004:trustless-agents",
      "description": "ERC-8004 Trustless Agents \u2014 on-chain identity, reputation, and validation on BITE V2 (zero gas)",
      "required": false,
      "config": {
        "chain": "eip155:31611",
        "identityRegistry": "0x92b19730d0b7416f195600489cd9be29e109ebce",
        "reputationRegistry": "0x6a81e89fdb563cdf0d21dc2ea5c18ec4020e596f",
        "validationRegistry": "0x70d51bafea51fb2f60a06824c1bc5638e36243a1",
        "agentId": "1",
        "registrationFile": "https://superpa.ge/.well-known/agent-registration.json",
        "supportedTrust": [
          "reputation"
        ]
      }
    }
  ],
  "provider": {
    "organization": "x402 Everything",
    "url": "https://superpa.ge"
  }
}