Three-node GO/NO-GO threat intelligence report for an x402 Payment Required payl
Three-node GO/NO-GO threat intelligence report for an x402 Payment Required payload and vendor metadata on Base mainnet (eip155:8453). $0.05 USDC per POST via the CDP facilitator. Unpaid requests return HTTP 402 with PAYMENT-REQUIRED; a JSON body without a payload object returns 400; payment settlement failures return 402.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
303 msmedian answer time
$0.05listed price per call
$0.05price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://x402-crediting-swarm.vercel.app/api/swarm
| Category | Everything else |
|---|---|
| Provider host | x402-crediting-swarm.vercel.app |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.05 | 303 ms |
Example input (from the provider)
{
"body": {
"payload": {
"endpoint_url": "https://api.example/v1/resource",
"payTo": "0x0d25a44f74868ece53b305c97139cf4b62963410",
"requested_amount_sats": 500,
"vendor_history": {
"dispute_ratio": 0.02,
"fulfillment_rate": 0.97
},
"vendor_id": "vendor_crypto_993x"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"caller_id": {
"description": "Optional caller identifier for AgentMail alerts",
"type": "string"
},
"payload": {
"additionalProperties": true,
"description": "x402 Payment Required call details and vendor metadata to score",
"properties": {
"endpoint_url": {
"description": "HTTPS resource URL from the x402 catalog entry",
"type": "string"
},
"payTo": {
"description": "Observed payTo on the 402",
"type": "string"
},
"requested_amount_sats": {
"type": "number"
},
"vendor_history": {
"properties": {
"dispute_ratio": {
"type": "number"
},
"fulfillment_rate": {
"type": "number"
}
},
"type": "object"
},
"vendor_id": {
"type": "string"
}
},
"required": [
"endpoint_url"
],
"type": "object"
}
},
"required": [
"payload"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"agentcash_intel": {
"type": "object"
},
"aggregated_flags": {
"items": {
"type": "string"
},
"type": "array"
},
"caller_id": {
"type": "string"
},
"final_creditability_score": {
"type": "integer"
},
"final_recommendation": {
"type": "string"
},
"node_reports": {
"type": "array"
},
"status": {
"type": "string"
},
"trust_level": {
"type": "string"
}
},
"required": [
"status",
"final_creditability_score",
"final_recommendation"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}