ToolAssay

Cryptographically verifiable random integer generated from the public drand Quic

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.

Answeringour last check, 2026-09-24
1 of 1checks answered this week
56 msmedian answer time
$0.001listed price per call
$0.001price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://wallet-services-poc-clean-mainnet.3hz-services.workers.dev/verified-random

CategoryMarket data
Provider hostwallet-services-poc-clean-mainnet.3hz-services.workers.dev
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-09-24 valid payment request 402$0.001 56 ms

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "max": 100,
    "min": 1
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$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"
}

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