agent-exec.45.67.221.128.sslip.io

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "X-PAYMENT header is required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0",
      "scheme": "exact",
      "network": "base",
      "mimeType": "application/json",
      "resource": "https://agent-exec.45.67.221.128.sslip.io/listings/promote",
      "description": "POST /listings/promote -- Paid placement in the agent-exec directory: promoted listings outrank free ones while paid ($0.0667/day, $0.3333/week, $1/month) and demote once payment lapses. This entry buys day ($0.0667). Not a review -- payment doesn't verify or endorse a listing. No account needed; pay over x402.",
      "outputSchema": {
        "input": {
          "type": "http",
          "method": "POST",
          "bodyType": "json",
          "bodyFields": {
            "id": {
              "type": "string",
              "required": true,
              "description": "The directory listing id to promote. You must pay from the wallet that owns it."
            },
            "duration": {
              "enum": [
                "day",
                "week",
                "month"
              ],
              "type": "string",
              "required": true,
              "description": "One of: day, week, month."
            }
          },
          "discoverable": false
        },
        "output": {
          "type": "json",
          "example": {
            "listing": {
              "id": "example-listing",
              "tier": "paid",
              "paidUntil": 1700000000000
            },
            "payment": {
              "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "payer": "0x0000000000000000000000000000000000dEaD",
              "amount": "333300",
              "network": "base",
              "transaction": "0x0000000000000000000000000000000000000000000000000000000000000000"
            },
            "promotion": {
              "duration": "week",
              "priceUsd": 0.3333,
              "paidUntil": 1700000000000,
              "durationMs": 604800000
            }
          }
        }
      },
      "maxAmountRequired": "66700",
      "maxTimeoutSeconds": 300
    }
  ],
  "x402Version": 1
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xc8Fceb0F3611BE99c41586eA2B83F6A0911d2Ff0",
    "scheme": "exact",
    "network": "base",
    "mimeType": "application/json",
    "resource": "https://agent-exec.45.67.221.128.sslip.io/listings/promote",
    "description": "Buy paid placement in the agent-exec directory of live x402 services: a promoted listing outranks free ones while paid, and demotes automatically the moment payment lapses. This entry buys the day plan ($0.0667). Week and month plans are also sold -- read the live price table from https://agent-exec.45.67.221.128.sslip.io/.well-known/x402.json rather than trusting a cached figure. Payment buys position only: it is not a review, and does not verify or endorse the listing. Create the listing first with a free, accountless POST /listings (wallet signature, no signup), then promote it by id. No account, no API key.",
    "outputSchema": {
      "input": {
        "type": "http",
        "method": "POST",
        "bodyType": "json",
        "bodyFields": {
          "id": {
            "type": "string",
            "required": true,
            "description": "The id of a listing you own, as returned by POST /listings. GET /listings does not expose ids -- keep the one you were given."
          },
          "duration": {
            "type": "string",
            "required": true,
            "description": "One of 'day', 'week', 'month'. The amount challenged depends on which you ask for; this entry is priced for 'day'."
          }
        },
        "discoverable": true
      },
      "output": {
        "type": "json",
        "example": {
          "listing": {
            "id": "00000000-0000-0000-0000-000000000000",
            "url": "https://example.com/.well-known/x402.json",
            "tier": "paid",
            "paidUntil": 1787837627410
          },
          "promotion": {
            "duration": "day",
            "priceUsd": 0.0667,
            "paidUntil": 1787837627410,
            "durationMs": 86400000
          }
        }
      }
    },
    "maxAmountRequired": "66700",
    "maxTimeoutSeconds": 300
  }
]

Provenance

Seen in the source catalog

2026-08-26 14:12Z

Last indexed by Roundhouse

2026-09-24 08:45Z

Last enriched (probe, favicon, geo)

2026-09-16 02:16Z

x402 version

1

Max timeout

300s

Liveness probe

HTTP 402