{
  "id": "diagnostic_ping",
  "title": "Payment diagnostic",
  "category": "cheap_tool",
  "scope": "One payment-rail response with timestamp, proof hash and settlement receipt.",
  "input_example": null,
  "output_example": {
    "result": {
      "service": "diagnostic_ping",
      "verdict": "PASS",
      "status": "ok",
      "rail": "x402_v2"
    }
  },
  "limitations": [
    "Tests the paid request/response path only; no buyer-task verification.",
    "A successful ping is diagnostic usage, not evidence of useful workflow demand."
  ],
  "variable_cost": "Worker CPU, receipt signing, storage and facilitator/chain fees; actual amounts unknown. No model call.",
  "fulfillment": "implemented",
  "availability": "live_configured",
  "purchasable": true,
  "unavailable_reason": null,
  "price": {
    "amount": 0.005,
    "amount_atomic": "5000",
    "currency": "USDC",
    "cadence": "per_call",
    "network": "eip155:8453",
    "status": "existing_terms_unchanged"
  },
  "contract_url": "/agents/services.json?offer=diagnostic_ping",
  "purchase": {
    "endpoint": "https://platform.gleephoenix.com/api/x402/ping",
    "method": "GET",
    "flow": "Request the unpaid 402 quote; compare exact terms; an authorized buyer retries the identical input with PAYMENT-SIGNATURE. No automatic purchase.",
    "receipt_keys": "/.well-known/glee-receipt-keys"
  },
  "delivery_endpoint": "https://platform.gleephoenix.com/api/x402/ping",
  "example_status": "illustrative_subset_not_a_paid_receipt"
}