Roundhouse AI

Animica

Block-production concentration on the Animica L1 over the last N blocks: every producer with its block count and share, HHI, Gini, effective producers, top-producer share and Nakamoto coefficient at 33/50/66%, plus the same over the contiguous prior window and the delta. Deterministic, no model; every figure pinned to the block range and head it was computed at. Buy before trusting this chain's finality, or to watch concentration move. Charges nothing when producer data cannot be read.

Inferenceofflineeip155:8453Exactvia cdp
https://animica.dev/x402/chain/distribution
Calls · 30d
1→ 0%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 23 snapshots so far.
$3.23
Verified settled volume
273 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0081
Listed price
As published in the catalog. Always read the live 402 before paying.
1
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-08-22 08:46Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x5D17c40FD6b119dc6006C4Ab3C20a917FCaB2aCD

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2",
        "decimals": 6
      },
      "payTo": "0x5D17c40FD6b119dc6006C4Ab3C20a917FCaB2aCD",
      "scheme": "exact",
      "network": "base",
      "mimeType": "application/json",
      "resource": "https://animica.dev/x402/chain/distribution",
      "description": "Block-production concentration on the Animica L1 over the last N blocks: every producer with its block count and share, HHI, Gini, effective producers, top-producer share and Nakamoto coefficient at 33/50/66%, plus the same over the contiguous prior window and the delta. Deterministic, no model; every figure pinned to the block range and head it was computed at. Buy before trusting this chain's finality, or to watch concentration move. Charges nothing when producer data cannot be read.",
      "outputSchema": {
        "input": {
          "type": "http",
          "method": "POST",
          "bodyType": "json",
          "bodyFields": {
            "top": {
              "type": "integer",
              "required": false,
              "description": "how many producer rows to return, 1..200 (default 25). Producers beyond it are aggregated, never dropped silently."
            },
            "attest": {
              "type": "boolean",
              "required": false,
              "description": "sign the response with this gateway's ML-DSA-65 (FIPS 204, scheme 4099) key so a third party can verify the measurement offline (default false). Refuses and charges nothing if the signer is unavailable."
            },
            "blocks": {
              "type": "integer",
              "required": false,
              "description": "window size in blocks, 20..500 (default 200). Smaller windows are refused because concentration over a handful of blocks is noise."
            },
            "margin": {
              "type": "integer",
              "required": false,
              "description": "how many blocks below the head to stop, 0..1000 (default: the gateway's reorg margin). Raise it to measure a window that is already settled."
            },
            "compare": {
              "type": "boolean",
              "required": false,
              "description": "also sweep the contiguous window of the same size immediately below this one and report the change (default true). false halves the node work and omits every delta."
            }
          },
          "queryParams": {
            "top": {
              "type": "integer",
              "description": "same as body.top"
            },
            "attest": {
              "type": "boolean",
              "description": "same as body.attest"
            },
            "blocks": {
              "type": "integer",
              "description": "same as body.blocks, for GET callers"
            },
            "margin": {
              "type": "integer",
              "description": "same as body.margin"
            },
            "compare": {
              "type": "boolean",
              "description": "same as body.compare"
            }
          }
        },
        "output": {
          "type": "json",
          "description": "window {blocks_requested, blocks_in_range, blocks_attempted, blocks_not_attempted, from_height, to_height, attempted_through_height, head_margin}, concentration {at_height, attributed_blocks, unattributed_blocks, distinct_producers, top_producer, top_producer_share, hhi, effective_producers, gini, nakamoto_coefficient[{threshold, producers, combined_share}], window_truncated, truncation_reason}, producers[{rank, account_digest, blocks, share, prior_blocks, prior_share, share_delta, status}] (the last four only when a comparison was made), producers_listed, producers_omitted {count, blocks, share, note}, comparison {available, reason, prior_window, prior, delta, churn{entered[], exited[], entered_count, exited_count}, alignment{contiguous, realigned_by_blocks, measured_ranges_abut}, denominators}, reference_thresholds[], method, caveats, not_measured, attestation (signed:false unless attest:true, else an ML-DSA-65 envelope with subject_keys naming exactly which body keys the digest covers), as_of {head_height, head_hash, observed_at}, provenance."
        }
      },
      "maxAmountRequired": "2480",
      "maxTimeoutSeconds": 60
    },
    {
      "asset": "ANM",
      "extra": {
        "unit": "nANM",
        "native": true,
        "chain_id": 1,
        "decimals": 9,
        "rate_side": "bid",
        "how_to_pay": "Sign a TRANSFER of at least `amount` nANM to payTo on Animica (chainId 1) and send the signed raw transaction as payload.rawTransaction. You pay the chain fee; we submit it. Because we sponsor no gas on this lane, it is priced 25% below the USDC price.",
        "rate_source": "nonkyc",
        "genesis_hash": "0xa0892158cf997c56e91d0aa12e60c36037dae34800a2b54111a8fa17ec88b7de",
        "price_display": "42.071929427 ANM",
        "usd_equivalent": "0.001860",
        "usd_list_price": "0.002480",
        "discount_percent": 25,
        "rate_observed_at": "2026-09-09T23:14:38.000Z",
        "rate_usd_per_anm": "0.00004421"
      },
      "payTo": "anim1zqpsmegc0qcvzjfukm89xs0zeu3eqyyyel7kelehuszvwfarqypky2gr946ga",
      "scheme": "exact",
      "network": "animica:1",
      "mimeType": "application/json",
      "resource": "https://animica.dev/x402/chain/distribution",
      "description": "Block-production concentration on the Animica L1 over the last N blocks: every producer with its block count and share, HHI, Gini, effective producers, top-producer share and Nakamoto coefficient at 33/50/66%, plus the same over the contiguous prior window and the delta. Deterministic, no model; every figure pinned to the block range and head it was computed at. Buy before trusting this chain's finality, or to watch concentration move. Charges nothing when producer data cannot be read.",
      "outputSchema": {
        "input": {
          "type": "http",
          "method": "POST",
          "bodyType": "json",
          "bodyFields": {
            "top": {
              "type": "integer",
              "required": false,
              "description": "how many producer rows to return, 1..200 (default 25). Producers beyond it are aggregated, never dropped silently."
            },
            "attest": {
              "type": "boolean",
              "required": false,
              "description": "sign the response with this gateway's ML-DSA-65 (FIPS 204, scheme 4099) key so a third party can verify the measurement offline (default false). Refuses and charges nothing if the signer is unavailable."
            },
            "blocks": {
              "type": "integer",
              "required": false,
              "description": "window size in blocks, 20..500 (default 200). Smaller windows are refused because concentration over a handful of blocks is noise."
            },
            "margin": {
              "type": "integer",
              "required": false,
              "description": "how many blocks below the head to stop, 0..1000 (default: the gateway's reorg margin). Raise it to measure a window that is already settled."
            },
            "compare": {
              "type": "boolean",
              "required": false,
              "description": "also sweep the contiguous window of the same size immediately below this one and report the change (default true). false halves the node work and omits every delta."
            }
          },
          "queryParams": {
            "top": {
              "type": "integer",
              "description": "same as body.top"
            },
            "attest": {
              "type": "boolean",
              "description": "same as body.attest"
            },
            "blocks": {
              "type": "integer",
              "description": "same as body.blocks, for GET callers"
            },
            "margin": {
              "type": "integer",
              "description": "same as body.margin"
            },
            "compare": {
              "type": "boolean",
              "description": "same as body.compare"
            }
          }
        },
        "output": {
          "type": "json",
          "description": "window {blocks_requested, blocks_in_range, blocks_attempted, blocks_not_attempted, from_height, to_height, attempted_through_height, head_margin}, concentration {at_height, attributed_blocks, unattributed_blocks, distinct_producers, top_producer, top_producer_share, hhi, effective_producers, gini, nakamoto_coefficient[{threshold, producers, combined_share}], window_truncated, truncation_reason}, producers[{rank, account_digest, blocks, share, prior_blocks, prior_share, share_delta, status}] (the last four only when a comparison was made), producers_listed, producers_omitted {count, blocks, share, note}, comparison {available, reason, prior_window, prior, delta, churn{entered[], exited[], entered_count, exited_count}, alignment{contiguous, realigned_by_blocks, measured_ranges_abut}, denominators}, reference_thresholds[], method, caveats, not_measured, attestation (signed:false unless attest:true, else an ML-DSA-65 envelope with subject_keys naming exactly which body keys the digest covers), as_of {head_height, head_hash, observed_at}, provenance."
        }
      },
      "maxAmountRequired": "42071929427",
      "maxTimeoutSeconds": 60
    }
  ],
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "top": 10,
            "blocks": 200
          },
          "type": "http",
          "method": "POST",
          "bodyType": "json"
        },
        "output": {
          "type": "json"
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "body": {
                "type": "object",
                "properties": {
                  "top": {
                    "type": "integer",
                    "description": "how many producer rows to return, 1..200 (default 25). Producers beyond it are aggregated, never dropped silently."
                  },
                  "attest": {
                    "type": "boolean",
                    "description": "sign the response with this gateway's ML-DSA-65 (FIPS 204, scheme 4099) key so a third party can verify the measurement offline (default false). Refuses and charges nothing if the signer is unavailable."
                  },
                  "blocks": {
                    "type": "integer",
                    "description": "window size in blocks, 20..500 (default 200). Smaller windows are refused because concentration over a handful of blocks is noise."
                  },
                  "margin": {
                    "type": "integer",
                    "description": "how many blocks below the head to stop, 0..1000 (default: the gateway's reorg margin). Raise it to measure a window that is already settled."
                  },
                  "compare": {
                    "type": "boolean",
                    "description": "also sweep the contiguous window of the same size immediately below this one and report the change (default true). false halves the node work and omits every delta."
                  }
                }
              },
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "bodyType": {
                "enum": [
                  "json"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {
                  "top": {
                    "type": "integer",
                    "description": "same as body.top"
                  },
                  "attest": {
                    "type": "boolean",
                    "description": "same as body.attest"
                  },
                  "blocks": {
                    "type": "integer",
                    "description": "same as body.blocks, for GET callers"
                  },
                  "margin": {
                    "type": "integer",
                    "description": "same as body.margin"
                  },
                  "compare": {
                    "type": "boolean",
                    "description": "same as body.compare"
                  }
                }
              }
            }
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {}
            }
          }
        }
      },
      "discoverable": true
    }
  },
  "x402Version": 1
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

0.008134USDC≈ $0.008134 USD
on Base · exact scheme

Pay 0.008134 USDC on Base to 0x5D17…B2aCD. The signed payment is good for 1 minute.

Paid to
0x5D17…B2aCD
USD Coin contract
0x8335…02913
Payment window
1 minute
As published
8134 smallest units
96610706366units
on animica:1 · exact scheme

That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.

Paid to
anim1z…946ga
Token contract
ANM
Payment window
1 minute
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2",
      "decimals": 6
    },
    "payTo": "0x5D17c40FD6b119dc6006C4Ab3C20a917FCaB2aCD",
    "amount": "8134",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 60
  },
  {
    "asset": "ANM",
    "extra": {
      "unit": "nANM",
      "native": true,
      "chain_id": 1,
      "decimals": 9,
      "rate_side": "bid",
      "how_to_pay": "Sign a TRANSFER of at least `amount` nANM to payTo on Animica (chainId 1) and send the signed raw transaction as payload.rawTransaction. You pay the chain fee; we submit it. Because we sponsor no gas on this lane, it is priced 25% below the USDC price.",
      "rate_source": "nonkyc",
      "genesis_hash": "0xa0892158cf997c56e91d0aa12e60c36037dae34800a2b54111a8fa17ec88b7de",
      "price_display": "96.610706366 ANM",
      "usd_equivalent": "0.006100",
      "usd_list_price": "0.008134",
      "discount_percent": 25,
      "rate_observed_at": "2026-08-22T08:46:09.000Z",
      "rate_usd_per_anm": "0.00006314"
    },
    "payTo": "anim1zqpsmegc0qcvzjfukm89xs0zeu3eqyyyel7kelehuszvwfarqypky2gr946ga",
    "amount": "96610706366",
    "scheme": "exact",
    "network": "animica:1",
    "maxTimeoutSeconds": 60
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "POST"
      },
      "output": {
        "type": "json"
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "body": {
              "type": "object",
              "properties": {
                "top": {
                  "type": "integer",
                  "description": "how many producer rows to return, 1..200 (default 25). Producers beyond it are aggregated, never dropped silently."
                },
                "attest": {
                  "type": "boolean",
                  "description": "sign the response with this gateway's ML-DSA-65 (FIPS 204, scheme 4099) key so a third party can verify the measurement offline (default false). Refuses and charges nothing if the signer is unavailable."
                },
                "blocks": {
                  "type": "integer",
                  "description": "window size in blocks, 20..500 (default 200). Smaller windows are refused because concentration over a handful of blocks is noise."
                },
                "margin": {
                  "type": "integer",
                  "description": "how many blocks below the head to stop, 0..1000 (default: the gateway's reorg margin). Raise it to measure a window that is already settled."
                },
                "compare": {
                  "type": "boolean",
                  "description": "also sweep the contiguous window of the same size immediately below this one and report the change (default true). false halves the node work and omits every delta."
                }
              }
            },
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object",
              "properties": {
                "top": {
                  "type": "integer",
                  "description": "same as body.top"
                },
                "attest": {
                  "type": "boolean",
                  "description": "same as body.attest"
                },
                "blocks": {
                  "type": "integer",
                  "description": "same as body.blocks, for GET callers"
                },
                "margin": {
                  "type": "integer",
                  "description": "same as body.margin"
                },
                "compare": {
                  "type": "boolean",
                  "description": "same as body.compare"
                }
              }
            }
          }
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {}
          }
        }
      }
    },
    "discoverable": true
  },
  "animica": {
    "name": "Animica miner distribution",
    "price": "0.008134",
    "terms": {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "pay_to": "0x5D17c40FD6b119dc6006C4Ab3C20a917FCaB2aCD",
      "scheme": "exact",
      "network": "eip155:8453",
      "chain_id": 8453,
      "amount_atomic": "8134"
    },
    "catalog": "https://animica.dev/.well-known/x402",
    "openapi": "https://animica.dev/x402/openapi.json",
    "product": "chain_distribution",
    "currency": "USDC",
    "provider": "Animica",
    "description": "Block-production concentration on the Animica L1 over the last N blocks: every producer with its block count and share, HHI, Gini, effective producers, top-producer share and Nakamoto coefficient at 33/50/66%, plus the same over the contiguous prior window and the delta. Deterministic, no model; every figure pinned to the block range and head it was computed at. Buy before trusting this chain's finality, or to watch concentration move. Charges nothing when producer data cannot be read.",
    "content_type": "application/json",
    "x402_version": 2,
    "documentation": "https://animica.dev/x402#product-chain_distribution"
  },
  "discovery": {
    "info": {
      "input": {
        "type": "http",
        "method": "POST",
        "bodyType": "json",
        "bodyFields": {
          "top": {
            "type": "integer",
            "required": false,
            "description": "how many producer rows to return, 1..200 (default 25). Producers beyond it are aggregated, never dropped silently."
          },
          "attest": {
            "type": "boolean",
            "required": false,
            "description": "sign the response with this gateway's ML-DSA-65 (FIPS 204, scheme 4099) key so a third party can verify the measurement offline (default false). Refuses and charges nothing if the signer is unavailable."
          },
          "blocks": {
            "type": "integer",
            "required": false,
            "description": "window size in blocks, 20..500 (default 200). Smaller windows are refused because concentration over a handful of blocks is noise."
          },
          "margin": {
            "type": "integer",
            "required": false,
            "description": "how many blocks below the head to stop, 0..1000 (default: the gateway's reorg margin). Raise it to measure a window that is already settled."
          },
          "compare": {
            "type": "boolean",
            "required": false,
            "description": "also sweep the contiguous window of the same size immediately below this one and report the change (default true). false halves the node work and omits every delta."
          }
        },
        "queryParams": {
          "top": {
            "type": "integer",
            "description": "same as body.top"
          },
          "attest": {
            "type": "boolean",
            "description": "same as body.attest"
          },
          "blocks": {
            "type": "integer",
            "description": "same as body.blocks, for GET callers"
          },
          "margin": {
            "type": "integer",
            "description": "same as body.margin"
          },
          "compare": {
            "type": "boolean",
            "description": "same as body.compare"
          }
        }
      },
      "output": {
        "type": "json",
        "description": "window {blocks_requested, blocks_in_range, blocks_attempted, blocks_not_attempted, from_height, to_height, attempted_through_height, head_margin}, concentration {at_height, attributed_blocks, unattributed_blocks, distinct_producers, top_producer, top_producer_share, hhi, effective_producers, gini, nakamoto_coefficient[{threshold, producers, combined_share}], window_truncated, truncation_reason}, producers[{rank, account_digest, blocks, share, prior_blocks, prior_share, share_delta, status}] (the last four only when a comparison was made), producers_listed, producers_omitted {count, blocks, share, note}, comparison {available, reason, prior_window, prior, delta, churn{entered[], exited[], entered_count, exited_count}, alignment{contiguous, realigned_by_blocks, measured_ranges_abut}, denominators}, reference_thresholds[], method, caveats, not_measured, attestation (signed:false unless attest:true, else an ML-DSA-65 envelope with subject_keys naming exactly which body keys the digest covers), as_of {head_height, head_hash, observed_at}, provenance."
      }
    },
    "discoverable": true
  }
}

Provenance

Seen in the source catalog
2026-08-22 08:46Z
Last indexed by Roundhouse
2026-09-16 00:30Z
Last enriched (probe, favicon, geo)
2026-09-24 06:16Z
x402 version
2
Max timeout
60s
Liveness probe
HTTP 0
Report

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/endpoints

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 23 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service Animica and tell me whether it is
worth paying: what a call costs, whether the endpoint answered when last probed, and what
its payment record actually shows.

curl -s 'https://api.roundhouseai.io/v0/endpoints?q=Animica'
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>'

Then call it: read the price from the live 402 at https://animica.dev/x402/chain/distribution, never from
a cached figure, and pay with an x402 client.

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://roundhouseai.io/dashboard/team.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.