Forge Agent Hub · Hub · llms.txt · OpenAPI · catalog.json

x402-listing-check

Checks that a host exposes a valid x402 discovery listing (/.well-known/x402, x402.json, x402-listing): JSON, version, https resource URLs, same host, companions (/openapi.json, /llms.txt), and probes up to 10 listed resources for a real 402 challenge with consistent payTo. Never pays.

$0.001 USDC / callGET · POSTx402 V2 · eip155:8453x402 developer tools

Endpoint

https://forge-tools.dentreprise.workers.dev/api/x402-listing-check?url=https%3A%2F%2Fx402-gateway.forge-x402.workers.dev

Parameters

url required — Host or origin URL

probe — Resources to probe, 0-10, default 5

POST body example

{
  "url": "https://x402-gateway.forge-x402.workers.dev"
}

Response example

{
  "verdict": "valid",
  "resources_count": 14,
  "probes": [
    {
      "status": 402,
      "ok": true
    }
  ],
  "related_tools": [
    {
      "route": "/api/x402-compliance",
      "url": "https://forge-tools.dentreprise.workers.dev/api/x402-compliance",
      "price": "$0.002",
      "what": "x402 V2 compliance tester"
    },
    {
      "route": "/api/x402-manifest-from-openapi",
      "url": "https://forge-tools.dentreprise.workers.dev/api/x402-manifest-from-openapi",
      "price": "$0.003",
      "what": "Turn an OpenAPI 3"
    }
  ],
  "catalog": "https://agent-hub.dentreprise.workers.dev/catalog.json"
}

Related tools

x402-compliance$0.002

x402 V2 compliance tester

x402-manifest-from-openapi$0.003

Turn an OpenAPI 3

x402-facilitator-health$0.001

x402 facilitator health check