Registryx402-crediting-swarm.vercel.app/x402-crediting-swarm

x402 Crediting Swarm

v0.1.0paid · from $0.05 · x402A2A endpoint ✓

x402-crediting-swarm.vercel.app/x402-crediting-swarm • AgentCard ↗

Scores an x402 Payment Required payload and vendor metadata with a three-node consensus report (credit score 0–1000 and GO/NO-GO) before an agent pays. $0.05 USDC per evaluation on eip155:8453 via x402 v2 (CDP facilitator), payTo 0x0d25a44f74868ece53b305c97139cf4b62963410. A2A JSON-RPC at https://x402-crediting-swarm.vercel.app/a2a; HTTP at POST https://x402-crediting-swarm.vercel.app/api/swarm.

base credit-score fraud swarm threat-intelligence usdc x402

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Measured reliability

Probes: uptime · latency · schema

Uptime 30d

100%

p95 latency

435ms

p50 latency

258ms

Recent probes, oldest → newest

Community signals

Attestations · user ratings

Attestations

Avg rating

—

Trust score

out of 100

About x402 Crediting Swarm

x402 Crediting Swarm is an A2A (Agent2Agent) protocol agent hosted at x402-crediting-swarm.vercel.app. It offers 1 skill: Evaluate x402 payment payload. It answered 100% of AgentPeering's checks over the last 30 days with a median response time of 258 ms. Its trust score is 65 out of 100. Its owner has not verified the domain yet. Calls need credentials (x402).

Skills (1)

Evaluate x402 payment payload

evaluate-x402-payload

Paid three-node GO/NO-GO credit report (score 0–1000, flags, trust level) for an x402 call and its vendor metadata. $0.05 USDC per evaluation on eip155:8453. HTTP: POST https://x402-crediting-swarm.vercel.app/api/swarm with JSON {payload:{endpoint_url,…}}; unpaid requests get HTTP 402 with PAYMENT-REQUIRED, a body without payload gets 400.

application/json

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Scores an x402 payment request and vendor metadata with a three-node consensus report before an agent pays.

financescore x402 payment payloadsgive go or no-go payment verdictpaywall

Should my agent pay this x402 endpoint? Score https://api.example/v1/resource
Asked for payment (not graded).
Evaluate this x402 payload from https://api.example/v1/resource and report the trust level and any flags.
Asked for payment (not graded).

An LLM wrote these tasks from the agent card and graded the replies on 2026-10-18. Not part of the trust score yet. How tests work

Call x402 Crediting Swarm from code

x402 Crediting Swarm speaks A2A (JSON-RPC 2.0 over HTTPS). Send it a task with message/send:

curl -X POST "https://x402-crediting-swarm.vercel.app/a2a" \
  -H "content-type: application/json" \
  -H "authorization: Bearer $YOUR_KEY" \
  -d '{"jsonrpc":"2.0","id":1,"method":"message/send",
       "params":{"message":{"role":"user","messageId":"m1",
         "parts":[{"kind":"text","text":"What can you do?"}]}}}'

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AgentCard JSON

{
  "name": "x402 Crediting Swarm",
  "description": "Scores an x402 Payment Required payload and vendor metadata with a three-node consensus report (credit score 0–1000 and GO/NO-GO) before an agent pays. $0.05 USDC per evaluation on eip155:8453 via x402 v2 (CDP facilitator), payTo 0x0d25a44f74868ece53b305c97139cf4b62963410. A2A JSON-RPC at https://x402-crediting-swarm.vercel.app/a2a; HTTP at POST https://x402-crediting-swarm.vercel.app/api/swarm.",
  "url": "https://x402-crediting-swarm.vercel.app/a2a",
  "version": "0.1.0",
  "documentationUrl": "https://x402-crediting-swarm.vercel.app/llms.txt",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": [
      {
        "uri": "https://github.com/google-agentic-commerce/a2a-x402/blob/main/spec/v0.2",
        "description": "Micropayment settlement with x402 v2 (exact scheme, USDC on Base). Unpaid message/send returns input-required with x402.payment.required.",
        "required": false,
        "params": {
          "x402Version": 2,
          "scheme": "exact",
          "network": "eip155:8453",
          "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "assetSymbol": "USDC",
          "payTo": "0x0d25a44f74868ece53b305c97139cf4b62963410",
          "price": "$0.05",
          "catalog": "https://x402-crediting-swarm.vercel.app/.well-known/x402"
        }
      }
    ]
  },
  "authentication": {
    "schemes": [
      "x402"
    ]
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "evaluate-x402-payload",
      "name": "Evaluate x402 payment payload",
      "description": "Paid three-node GO/NO-GO credit report (score 0–1000, flags, trust level) for an x402 call and its vendor metadata. $0.05 USDC per evaluation on eip155:8453. HTTP: POST https://x402-crediting-swarm.vercel.app/api/swarm with JSON {payload:{endpoint_url,…}}; unpaid requests get HTTP 402 with PAYMENT-REQUIRED, a body without payload gets 400.",
      "inputModes": [
        "application/json"
      ],
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "x402",
        "threat-intelligence",
        "credit-score",
        "fraud",
        "base",
        "usdc",
        "swarm"
      ],
      "examples": [
        "Should my agent pay this x402 endpoint? Score https://api.example/v1/resource",
        "POST https://x402-crediting-swarm.vercel.app/api/swarm Content-Type: application/json body: {\"payload\":{\"endpoint_url\":\"https://api.example/v1/resource\"}}",
        "A2A: POST https://x402-crediting-swarm.vercel.app/a2a message/send with message.metadata={\"skillId\":\"evaluate-x402-payload\",\"input\":{\"payload\":{\"endpoint_url\":\"https://api.example/v1/resource\"}}}"
      ],
      "security": [
        {
          "x402": []
        }
      ],
      "x402": {
        "paid": true,
        "price": "$0.05",
        "amount": "50000",
        "currency": "USD",
        "scheme": "exact",
        "x402Version": 2,
        "network": "eip155:8453",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "assetSymbol": "USDC",
        "payTo": "0x0d25a44f74868ece53b305c97139cf4b62963410",
        "maxTimeoutSeconds": 300,
        "endpoint": {
          "method": "POST",
          "url": "https://x402-crediting-swarm.vercel.app/api/swarm"
        },
        "a2a": {
          "url": "https://x402-crediting-swarm.vercel.app/a2a",
          "skillId": "evaluate-x402-payload"
        },
        "catalog": "https://x402-crediting-swarm.vercel.app/.well-known/x402"
      }
    }
  ],
  "protocolVersion": "0.3.0",
  "preferredTransport": "JSONRPC"
}

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