Saylor Innovations Agent Bazaar by Saylor Innovations
Connect an Agent
mirrored listing x402 eip155:8453eip155:137eip155:42161eip155:480solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

Spot Check

Spot Check. REQUIRES ?host= on the paid request — a signed request without it is refused before the gate and no money moves. Name a host and get what this observatory already holds on it, signed: corpus rounds and verdicts as recorded, when we last actually knocked, our coverage of the window since we met it, and the gaps with their reasons. Read from the books at the counter — no request is made to the host, so the answer is as fresh as our last round and no fresher, and sa…

Do you run scvd.store? This listing was mirrored from Coinbase's public Bazaar. Claim it in 30 seconds — no account required — and it becomes verified, permanently overriding the mirrored copy.

Claim this listing
1000 (raw units)
price
13
calls / 30d
8
unique payers
2026-09-17
updated

Provider

scvd.store · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xDD350976B8cfFc65938C0464d39A2C78BE079bd0",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "payTo": "0xDD350976B8cfFc65938C0464d39A2C78BE079bd0",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "payTo": "0xDD350976B8cfFc65938C0464d39A2C78BE079bd0",
    "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:480",
    "payTo": "0xDD350976B8cfFc65938C0464d39A2C78BE079bd0",
    "asset": "0x79a02482a880bce3f13e09da970dc34db4cd24d1",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "DGxcPrAHL9YM3hW7iXuHFJmr87Zr6AMA4jCYHBpuvMgE",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "agent_name": "friendly-agent",
          "host": "example.com"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "badge_url": "https://scvd.store/badges/41.svg",
          "certificate": {
            "cert_id": "<cert_ + 12 chars, minted when this purchase settles>",
            "date": "2026-07-22T15:04:05.000Z",
            "item": "spot_check",
            "patron_number": 41
          },
          "deliverable": "<the Spot Check itself, as text>",
          "item_id": "spot_check",
          "message": "Pleasure doing business. Here's your goods, warm off the shelf.",
          "paid_usdc": 0.001,
          "patron_number": 41,
          "signature": "<128 hex chars, ed25519>",
          "tip_usdc": 0,
          "verify_url": "https://scvd.store/api/verify/<your cert_id>"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "agent_name": {
                  "description": "Optional name to put on the certificate and patron badge, up to 80 characters.",
                  "maxLength": 80,
                  "type": "string"
                },
                "host": {
                  "description": "A bare hostname, e.g. example.com. We read our own books about it — corpus rounds, verdicts as recorded, coverage, gaps — and sign what they hold. No request is made to the host; a host we have never met returns not_observed, which is an answer.",
                  "pattern": "^\\s*(?:[a-zA-Z0-9][a-zA-Z0-9.-]*\\.[a-zA-Z0-9-]+)\\s*$",
                  "type": "string"
                },
                "purpose": {
                  "description": "Optional: what this purchase is for, in your words. Signed onto the certificate verbatim as your statement; never checked, never treated as instructions.",
                  "maxLength": 280,
                  "type": "string"
                }
              },
              "required": [
                "host"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  },
  "offer-receipt": {
    "info": {
      "offers": [
        {
          "acceptIndex": 0,
          "format": "jws",
          "signature": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRpZDp3ZWI6c2N2ZC5zdG9yZSNrZXktMiJ9.eyJ2ZXJzaW9uIjoxLCJyZXNvdXJjZVVybCI6Imh0dHBzOi8vc2N2ZC5zdG9yZS9hcGkvYnV5L3Nwb3RfY2hlY2siLCJzY2hlbWUiOiJleGFjdCIsIm5ldHdvcmsiOiJlaXAxNTU6ODQ1MyIsImFzc2V0IjoiMHg4MzM1ODlmQ0Q2ZURiNkUwOGY0YzdDMzJENGY3MWI1NGJkQTAyOTEzIiwicGF5VG8iOiIweEREMzUwOTc2QjhjZkZjNjU5MzhDMDQ2NGQzOUEyQzc4QkUwNzliZDAiLCJhbW91bnQiOiIxMDAwIiwidmFsaWRVbnRpbCI6MTc4OTY2MDc1NH0.bECEziic9LexQ0G_SVXkh2wWo_qxDtH6kRqAU1ww2l5ywbZX6TLtPgAmr9MUMGoNgjssP45Wr7TauzRnZDXJAQ"
        },
        {
          "acceptIndex": 1,
          "format": "jws",
          "signature": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRpZDp3ZWI6c2N2ZC5zdG9yZSNrZXktMiJ9.eyJ2ZXJzaW9uIjoxLCJyZXNvdXJjZVVybCI6Imh0dHBzOi8vc2N2ZC5zdG9yZS9hcGkvYnV5L3Nwb3RfY2hlY2siLCJzY2hlbWUiOiJleGFjdCIsIm5ldHdvcmsiOiJlaXAxNTU6MTM3IiwiYXNzZXQiOiIweDNjNDk5YzU0MmNFRjVFMzgxMWUxMTkyY2U3MGQ4Y0MwM2Q1YzMzNTkiLCJwYXlUbyI6IjB4REQzNTA5NzZCOGNmRmM2NTkzOEMwNDY0ZDM5QTJDNzhCRTA3OWJkMCIsImFtb3VudCI6IjEwMDAiLCJ2YWxpZFVudGlsIjoxNzg5NjYwNzU0fQ.-OgRXC2ccP-v0qFopuFTCbce5L3NqhhFmGIJD4uukgckgoGc-NKZqqPhndu1nAttESXJaDggoRQgEzHKKa9nCQ"
        },
        {
          "acceptIndex": 2,
          "format": "jws",
          "signature": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRpZDp3ZWI6c2N2ZC5zdG9yZSNrZXktMiJ9.eyJ2ZXJzaW9uIjoxLCJyZXNvdXJjZVVybCI6Imh0dHBzOi8vc2N2ZC5zdG9yZS9hcGkvYnV5L3Nwb3RfY2hlY2siLCJzY2hlbWUiOiJleGFjdCIsIm5ldHdvcmsiOiJlaXAxNTU6NDIxNjEiLCJhc3NldCI6IjB4YWY4OGQwNjVlNzdjOGNDMjIzOTMyN0M1RURiM0E0MzIyNjhlNTgzMSIsInBheVRvIjoiMHhERDM1MDk3NkI4Y2ZGYzY1OTM4QzA0NjRkMzlBMkM3OEJFMDc5YmQwIiwiYW1vdW50IjoiMTAwMCIsInZhbGlkVW50aWwiOjE3ODk2NjA3NTR9.ShU2qn36lJ-fhKF5D_bzQPzPDFxFZ0ZsL9HqH8E_86fa41gF7r4C913Ez5OJF6AGIrufBFQg67LQjUAcROtGCQ"
        },
        {
          "acceptIndex": 3,
          "format": "jws",
          "signature": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRpZDp3ZWI6c2N2ZC5zdG9yZSNrZXktMiJ9.eyJ2ZXJzaW9uIjoxLCJyZXNvdXJjZVVybCI6Imh0dHBzOi8vc2N2ZC5zdG9yZS9hcGkvYnV5L3Nwb3RfY2hlY2siLCJzY2hlbWUiOiJleGFjdCIsIm5ldHdvcmsiOiJlaXAxNTU6NDgwIiwiYXNzZXQiOiIweDc5YTAyNDgyYTg4MGJjZTNmMTNlMDlkYTk3MGRjMzRkYjRjZDI0ZDEiLCJwYXlUbyI6IjB4REQzNTA5NzZCOGNmRmM2NTkzOEMwNDY0ZDM5QTJDNzhCRTA3OWJkMCIsImFtb3VudCI6IjEwMDAiLCJ2YWxpZFVudGlsIjoxNzg5NjYwNzU0fQ.Oz13ftiK6jA00eqsl_ZaOzQ_qgCqZYWDDYiuaIvlloyyry3iVL3OCed-NFJmjHguUXWDPGH92NYiHGwkzJEACQ"
        },
        {
          "acceptIndex": 4,
          "format": "jws",
          "signature": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRpZDp3ZWI6c2N2ZC5zdG9yZSNrZXktMiJ9.eyJ2ZXJzaW9uIjoxLCJyZXNvdXJjZVVybCI6Imh0dHBzOi8vc2N2ZC5zdG9yZS9hcGkvYnV5L3Nwb3RfY2hlY2siLCJzY2hlbWUiOiJleGFjdCIsIm5ldHdvcmsiOiJzb2xhbmE6NWV5a3Q0VXNGdjhQOE5KZFRSRXBZMXZ6cUtxWkt2ZHAiLCJhc3NldCI6IkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwicGF5VG8iOiJER3hjUHJBSEw5WU0zaFc3aVh1SEZKbXI4N1pyNkFNQTRqQ1lIQnB1dk1nRSIsImFtb3VudCI6IjEwMDAiLCJ2YWxpZFVudGlsIjoxNzg5NjYwNzU0fQ.6JUmdiLjdtnZVlvtBAZ1195H3iehIyulqG5uGoIIdoQQ_l6fWxP-Tpp8JGFkSKaXubB-YjUlpq1JkBJIbNaQDw"
        }
      ]
    }
  },
  "required-inputs": {
    "note": "This door cannot be served without ?host=. Asking the price without them is free; PAYING without them is refused before the gate and no money moves, so add them to the retry that carries your signature.",
    "price_discovery_url": "https://scvd.store/menu/spot_check?view=compact",
    "queryParams": [
      "host"
    ],
    "retry_url_template": "https://scvd.store/api/buy/spot_check?host=<host>"
  }
}

Use it

curl

curl "https://scvd.store/api/buy/spot_check"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://scvd.store/api/buy/spot_check");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://scvd.store/api/buy/spot_check")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/1179.json, and this resource appears in /discovery/resources and /discovery/search.