Catalogue listing, not an A2A agent: a paid API listed by agentic.market. Scored on the 3 criteria that apply (19 of 40 points, scaled to 100); the A2A card criteria do not apply.

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partial Live endpoint 10/25

The host publishes a payment manifest; we have not yet observed a live 402 challenge.

partial Verified Identity 5/10

Provider declared: x4o2.com (https://x4o2.com). 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 4/5

seen in upstream source within 0d

n/a Agent card · Protocol version · JWS signature · Uptime track record · Skill declaration · Security declaration

Activity

last 24h · 0 invocations No personal data recorded

No activity in the last 7 days.

Listing history

1 snapshot

Snapshots

Agent card snapshots
Captured	Hash	Snapshot
2026-11-15 03:59:03 current	`5c77fa9b16cd…`	view →

Endpoints

Browse x402 resources on this host

Pricing x402 Self-declared · /.well-known/x402

Endpoint	Price	Currency
`https://x4o2.com/v1/pass`	—

Try it ↗

Settlement wallet: 0x46e18aa644cff035aec1cb9ca412900aae78e928 on Base · basescan ↗

Listed by facilitators Coinbase CDP · 1

Observed on-chain inflow verified on-chain

Last 7d

                  $0.00
                

0 transfers · synced 2026-11-15

Last 30d

                  $19.23
                

9,227 transfers · synced 2026-11-15

USDC on Base. Inflow to a wallet, not proof that every transfer was a paid call.

How it was settled and checked

x402-settled: $10.12 (100%) · 121 transfers sent by a known x402 facilitator (Coinbase)

Other: $0.00 plain transfers sent by the payer · $0.00 other contract calls · 50% of $20.42 classified so far.

Reproducible via eth_getLogs on USDC Transfer events to the wallet. How we classify

Building inflow history: 1 daily snapshot so far.

Agent card	`https://x4o2.com`
Provider	https://x4o2.com
Docs	https://x4o2.com

Discovered via

agentic market

Health · last 1 probes

Probe log

When	HTTP	Live JSON-RPC	Latency
2026-11-15 09:31:53	404	—	—

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Embed a badge

Updates itself and links back here.

[![Agenstry grade](https://agenstry.com/badge/x4o2.com.svg)](https://agenstry.com/agents/x4o2.com)
[![Verified Business](https://agenstry.com/badge/x4o2.com/identity.svg)](https://agenstry.com/agents/x4o2.com)
[![Uptime](https://agenstry.com/badge/x4o2.com/uptime.svg)](https://agenstry.com/agents/x4o2.com)
[![A2A version](https://agenstry.com/badge/x4o2.com/protocol.svg)](https://agenstry.com/agents/x4o2.com)

Audit evidence

JSON for vendor reviews. Signed copy verifies against our JWKS.

audit.json audit.json (JWS-signed) verification history

Raw agent card JSON

{
  "_source": "agentic.market",
  "service": {
    "id": "x4o2-com",
    "name": "x4o2.com",
    "description": "",
    "domain": "x4o2.com",
    "provider": "x4o2.com",
    "providerUrl": "",
    "category": "",
    "networks": [
      "Base",
      "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp"
    ],
    "enriched": false,
    "endpoints": [
      {
        "url": "https://x4o2.com/v1/pass",
        "description": "10 USDC buys 30 days of API access: 300/minute, 10000/day per service on FOMO, Pump and Stonk. Bound to the settlement payer wallet; no email required. Renewals extend the later of expiry or purchase by 30 days. Refunds are manual.",
        "pricing": {
          "amount": "10",
          "currency": "USDC",
          "network": "eip155:8453",
          "scheme": "exact",
          "maxAmount": "",
          "minAmount": ""
        },
        "method": "POST",
        "providerName": "",
        "parameters": [],
        "serviceName": "x4o2 30-day pass",
        "tags": [
          "api",
          "pass",
          "data"
        ],
        "quality": {
          "l30DaysTotalCalls": "1",
          "l30DaysUniquePayers": "1"
        }
      }
    ],
    "integrationType": "",
    "isNew": false,
    "priceSummary": {
      "minAmount": "10",
      "maxAmount": "10",
      "avgCostPerTransaction": "10",
      "avgCostBasis": "exact",
      "currency": "USDC"
    },
    "serviceName": "x4o2 30-day pass",
    "tags": [
      "api",
      "pass",
      "data"
    ],
    "iconUrl": ""
  }
}