Saylor Innovations Agent Bazaar by Saylor Innovations
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mirrored listing x402 eip155:8453

Cryptographically verifiable random integer generated from the public drand Quicknet rando

Cryptographically verifiable random integer generated from the public drand Quicknet randomness beacon. Choose inclusive min and max values. The response includes the drand round, randomness and signature so the result can be independently checked.

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Claim this listing
1000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-17
updated

Provider

wallet-services-poc-clean-mainnet.3hz-services.workers.dev · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xEb0f642c1B71Ec3b3594303de1D09EA2532B0f5e",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 60
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "max": 100,
          "min": 1
        },
        "type": "http"
      },
      "output": {
        "example": {
          "algorithm": "value = min + (randomness mod (max-min+1))",
          "chain_hash": "52db9ba70e0cc0f6eaf7803dd07447a1f5477735fd3f661792ba94600c84e971",
          "fetched_at": "2026-09-17T09:00:00.000Z",
          "max": 100,
          "min": 1,
          "randomness": "b5b9f9cd19fdebe3d36edd5f18d8de507f3d66809e8bb40aa7cd3cba0d086dcd",
          "round": 32275886,
          "signature": "865671cf8df1a34d9e2fbc98f5dafb1cfda0d3fd0c2053a8eca1ab99a1f99361b3b9ee290c6038f7ddb4996504accf6b",
          "source": "drand Quicknet",
          "value": 78
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "additionalProperties": false,
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "additionalProperties": false,
              "properties": {
                "max": {
                  "default": 100,
                  "description": "Inclusive maximum integer",
                  "type": "integer"
                },
                "min": {
                  "default": 1,
                  "description": "Inclusive minimum integer",
                  "type": "integer"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "additionalProperties": false,
          "properties": {
            "example": {
              "properties": {
                "algorithm": {
                  "type": "string"
                },
                "chain_hash": {
                  "type": "string"
                },
                "fetched_at": {
                  "type": "string"
                },
                "max": {
                  "type": "integer"
                },
                "min": {
                  "type": "integer"
                },
                "randomness": {
                  "type": "string"
                },
                "round": {
                  "type": "integer"
                },
                "signature": {
                  "type": "string"
                },
                "source": {
                  "type": "string"
                },
                "value": {
                  "type": "integer"
                }
              },
              "required": [
                "value",
                "min",
                "max",
                "round",
                "randomness",
                "signature",
                "source",
                "chain_hash",
                "algorithm",
                "fetched_at"
              ],
              "type": "object"
            },
            "type": {
              "const": "json",
              "type": "string"
            }
          },
          "required": [
            "type",
            "example"
          ],
          "type": "object"
        }
      },
      "required": [
        "input",
        "output"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://wallet-services-poc-clean-mainnet.3hz-services.workers.dev/verified-random"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://wallet-services-poc-clean-mainnet.3hz-services.workers.dev/verified-random");
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://wallet-services-poc-clean-mainnet.3hz-services.workers.dev/verified-random")
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/7118.json, and this resource appears in /discovery/resources and /discovery/search.