{
  "x402Version": 2,
  "id": 7496,
  "slug": "7496",
  "resource": "https://animica.dev/x402/qrng/draw",
  "description": "Random bytes from the Animica node's randomness service with a signed digest attestation and an entropy-health report, 1..1024 bytes per draw. Current trust model, stated up front and in every response: the entropy source is a software CSPRNG (os.urandom) and the signer is a software key, so source.is_quantum=false and attestation.attested=false today; those fields flip truthfully if a hardware/quantum provider is ever connected. The free catalog entry carries the same live entropy block, so you can check the source before paying.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x5D17c40FD6b119dc6006C4Ab3C20a917FCaB2aCD",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1786",
      "maxTimeoutSeconds": 60
    },
    {
      "scheme": "exact",
      "network": "animica:1",
      "payTo": "anim1zqpsmegc0qcvzjfukm89xs0zeu3eqyyyel7kelehuszvwfarqypky2gr946ga",
      "asset": "ANM",
      "amount": "31583913197",
      "maxTimeoutSeconds": 60
    }
  ],
  "outputSchema": {
    "animica": {
      "catalog": "https://animica.dev/.well-known/x402",
      "content_type": "application/json",
      "currency": "USDC",
      "description": "Random bytes from the Animica node's randomness service with a signed digest attestation and an entropy-health report, 1..1024 bytes per draw. Current trust model, stated up front and in every response: the entropy source is a software CSPRNG (os.urandom) and the signer is a software key, so source.is_quantum=false and attestation.attested=false today; those fields flip truthfully if a hardware/quantum provider is ever connected. The free catalog entry carries the same live entropy block, so you can check the source before paying.",
      "documentation": "https://animica.dev/x402#product-qrng",
      "free_trial": {
        "endpoint": "GET /x402/qrng/draw/trial",
        "limit_per_day": 3,
        "note": "Same code and same response shape as the paid endpoint. No payment, no payment headers. Quota is per client per UTC day; when it is spent this endpoint says so and points back here.",
        "price": "0",
        "url": "https://animica.dev/x402/qrng/draw/trial"
      },
      "name": "Signed random bytes",
      "openapi": "https://animica.dev/x402/openapi.json",
      "price": "0.001786",
      "product": "qrng",
      "provider": "Animica",
      "terms": {
        "amount_atomic": "1786",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "chain_id": 8453,
        "network": "eip155:8453",
        "pay_to": "0x5D17c40FD6b119dc6006C4Ab3C20a917FCaB2aCD",
        "scheme": "exact"
      },
      "x402_version": 2
    },
    "bazaar": {
      "discoverable": true,
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "bytes": 32
          },
          "type": "http"
        },
        "output": {
          "example": {
            "attestation": {
              "alg": "ed25519",
              "attested": false,
              "backend": "software",
              "digest_hex": "ae7686343e9459d0ddaabb3b80cbdb9d28599eec501ffefe4736b60355f8bf29",
              "public_key_hex": "8a2228f4bde8f72964a7ff4aa759f24932ae1cccd9462ad94ca6e508d6b87a64",
              "signature_hex": "cb219cdb424f395b664076ee57cae6a1245544b53306d35860de4a689ff410dc79d27ffbcfaa927268db47da2c155e06bf0eaf2d838083f81ad1450c1a7cb904"
            },
            "bytes": 32,
            "encoding": "hex",
            "health": {
              "min_entropy_per_byte": 7.8106,
              "passed": true
            },
            "product": "qrng",
            "randomness": "6950d0ba85a3c0a03b193a50e998c6c6b16b53447d0e0ccb68e2a5722ac526ea",
            "source": {
              "attested": false,
              "device_path": null,
              "is_hardware": false,
              "is_quantum": false,
              "model": "os.urandom CSPRNG",
              "name": "software-fallback",
              "notes": "non-attested fallback for testing/degraded mode",
              "vendor": "os"
            },
            "verification": {
              "attested": false,
              "method": "signed-digest-attestation",
              "rules": [
                "attestation.digest_hex == sha3_256(bytes(randomness))",
                "ed25519_verify(pubkey=attestation.public_key_hex, message=raw_bytes(attestation.digest_hex), signature=attestation.signature_hex)"
              ],
              "trust_model": "signed by the serving node, not client-recomputable: you trust the node's entropy source, then verify it signed exactly these bytes. Check health.passed and attestation.attested before relying on it.",
              "verifier": "randomness/beacon_api/static/verify.js in the animica repo (gitlab.com/Animica) — dependency-free Node module exporting sha3_256; pair with any ed25519 verifier"
            }
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "bytes": {
                    "description": "number of random bytes, 1..1024 (default 32); alias: n",
                    "type": "integer"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {},
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "discovery": {
      "discoverable": true,
      "info": {
        "entropy": {
          "attested": false,
          "health_passed": true,
          "is_hardware": false,
          "is_quantum": false,
          "min_entropy_per_byte": 7.8002,
          "model": "os.urandom CSPRNG",
          "note": "observed on the gateway's own readiness draw, published unpaid so the trust model is knowable before purchase; the same fields ride verbatim on every paid response",
          "observed_at": "2026-09-15T07:21:36.262Z",
          "signer_backend": "software",
          "source": "software-fallback",
          "vendor": "os"
        },
        "input": {
          "alternateMethods": [
            {
              "bodyFields": {
                "bytes": {
                  "description": "number of random bytes, 1..1024 (default 32); alias: n",
                  "required": false,
                  "type": "integer"
                }
              },
              "bodyType": "json",
              "method": "POST",
              "note": "query parameters also work on POST; supplying both with different values is a 400 rather than a silent winner",
              "path": "/x402/qrng"
            }
          ],
          "method": "GET",
          "queryParams": {
            "bytes": {
              "description": "number of random bytes, 1..1024 (default 32); alias: n",
              "type": "integer"
            }
          },
          "type": "http"
        },
        "output": {
          "description": "randomness (hex), bytes, source, health {passed, min_entropy_per_byte}, attestation {alg, public_key_hex, digest_hex, signature_hex, attested}, verification rules, payment metadata",
          "type": "json"
        }
      }
    }
  },
  "tags": [
    "animica",
    "bazaar",
    "discovery"
  ],
  "sourceHost": "animica.dev",
  "lastUpdated": "2026-09-15T07:21:37.546Z",
  "quality": {
    "calls30d": 19,
    "uniquePayers30d": 11,
    "lastCalledAt": "2026-09-15T07:21:37.288Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "animica.dev",
    "manifest_name": "animica.dev",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}