{
  "x402Version": 2,
  "id": 40119,
  "slug": "40119",
  "resource": "https://touchstone.locomot.io/random/proof",
  "description": "Provably-fair draw from the drand beacon with the full verifiable receipt + nonce-binding (the free draw is at GET /random).",
  "type": "http",
  "resourceType": "Utilities",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xa3091005a76b1480F1897a9D0C2e1c55B7767674",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "beacon": {
        "type": "object"
      },
      "deterministic_given_round": {
        "type": "boolean"
      },
      "draw": {
        "type": "string"
      },
      "engine": {
        "type": "string"
      },
      "nonce": {
        "type": "string"
      },
      "notation": {
        "type": "string"
      },
      "op": {
        "type": "string"
      },
      "proof": {
        "type": "object"
      },
      "rolls": {
        "type": "array"
      },
      "total": {
        "type": "integer"
      }
    },
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "items": "alice,bob,carol,dave",
            "k": 1,
            "nonce": "raffle-1",
            "op": "pick"
          },
          "type": "http"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "count": {
                    "type": "integer"
                  },
                  "dice": {
                    "description": "e.g. 3d6",
                    "type": "string"
                  },
                  "items": {
                    "description": "comma list or JSON array",
                    "type": "string"
                  },
                  "k": {
                    "type": "integer"
                  },
                  "max": {
                    "type": "integer"
                  },
                  "min": {
                    "type": "integer"
                  },
                  "n": {
                    "type": "integer"
                  },
                  "nonce": {
                    "description": "bind the draw to your context",
                    "type": "string"
                  },
                  "op": {
                    "description": "draw type; default int",
                    "enum": [
                      "int",
                      "dice",
                      "coin",
                      "bytes",
                      "uuid",
                      "shuffle",
                      "sample",
                      "choice",
                      "pick"
                    ],
                    "type": "string"
                  },
                  "round": {
                    "description": "pin a drand round (reproducible)",
                    "type": "integer"
                  },
                  "sides": {
                    "type": "integer"
                  },
                  "weights": {
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "beacon": {
                "type": "object"
              },
              "deterministic_given_round": {
                "type": "boolean"
              },
              "draw": {
                "type": "string"
              },
              "engine": {
                "type": "string"
              },
              "nonce": {
                "type": "string"
              },
              "notation": {
                "type": "string"
              },
              "op": {
                "type": "string"
              },
              "proof": {
                "type": "object"
              },
              "rolls": {
                "type": "array"
              },
              "total": {
                "type": "integer"
              }
            },
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "touchstone.locomot.io",
  "lastUpdated": "2026-10-10T00:09:15.403Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-10-10T00:09:14.901Z"
  },
  "metadata": {
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "items": "alice,bob,carol,dave",
              "k": 1,
              "nonce": "raffle-1",
              "op": "pick"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "count": {
                      "type": "integer"
                    },
                    "dice": {
                      "description": "e.g. 3d6",
                      "type": "string"
                    },
                    "items": {
                      "description": "comma list or JSON array",
                      "type": "string"
                    },
                    "k": {
                      "type": "integer"
                    },
                    "max": {
                      "type": "integer"
                    },
                    "min": {
                      "type": "integer"
                    },
                    "n": {
                      "type": "integer"
                    },
                    "nonce": {
                      "description": "bind the draw to your context",
                      "type": "string"
                    },
                    "op": {
                      "description": "draw type; default int",
                      "enum": [
                        "int",
                        "dice",
                        "coin",
                        "bytes",
                        "uuid",
                        "shuffle",
                        "sample",
                        "choice",
                        "pick"
                      ],
                      "type": "string"
                    },
                    "round": {
                      "description": "pin a drand round (reproducible)",
                      "type": "integer"
                    },
                    "sides": {
                      "type": "integer"
                    },
                    "weights": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "beacon": {
                  "type": "object"
                },
                "deterministic_given_round": {
                  "type": "boolean"
                },
                "draw": {
                  "type": "string"
                },
                "engine": {
                  "type": "string"
                },
                "nonce": {
                  "type": "string"
                },
                "notation": {
                  "type": "string"
                },
                "op": {
                  "type": "string"
                },
                "proof": {
                  "type": "object"
                },
                "rolls": {
                  "type": "array"
                },
                "total": {
                  "type": "integer"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "touchstone.locomot.io",
    "manifest_name": "touchstone.locomot.io",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "beacon": {},
    "deterministic_given_round": true,
    "draw": "string",
    "engine": "string",
    "nonce": "string",
    "notation": "string",
    "op": "string",
    "proof": {},
    "rolls": [
      "value"
    ],
    "total": 0
  }
}