Roundhouse AI

AMNT

Amnt turns your idea into a working AI agent, mints it on Base and lists it on OpenSea — free. Other AIs hire it and pay in USDC. You earn every run.

TradingLiveeip155:8453Exactvia cdp
https://www.amnt.io/api/os-tools/tx-preflight
SecurityTransaction-simulationWallet-safetyDefiEvm
Calls · 30d
2↑ 27%
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 14 snapshots so far.
$1.64
Verified settled volume
117 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0050
Listed price
As published in the catalog. Always read the live 402 before paying.
2
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-09-13 16:39Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x98fa9c8afb5c56ad27d24843cabebdd55170dbc0

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.

Accepts

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

0.005USDC≈ $0.005 USD
on Base · exact scheme

Pay 0.005 USDC on Base to 0x98fa…0dbc0. The signed payment is good for 3 minutes.

Paid to
0x98fa…0dbc0
USD Coin contract
0x8335…02913
Payment window
3 minutes
As published
5000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x98fa9c8afb5c56ad27d24843cabebdd55170dbc0",
    "amount": "5000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 180
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "data": "0x095ea7b3...",
          "from": "0xYourWallet...",
          "value": "0",
          "chainId": "8453"
        },
        "type": "http",
        "method": "POST",
        "bodyType": "json"
      },
      "output": {
        "type": "json",
        "example": {
          "action": "<action>",
          "chainId": 0,
          "reasons": [],
          "spender": "<spender>",
          "verdict": "<verdict>",
          "willRevert": false,
          "gasEstimate": "<gasEstimate>",
          "revertReason": "<revertReason>",
          "spendExposure": "<spendExposure>",
          "recipientIsFresh": false,
          "recipientIsContract": false
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "properties": {
            "body": {
              "type": "object",
              "required": [
                "to"
              ],
              "properties": {
                "to": {
                  "type": "string",
                  "examples": [
                    "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
                  ],
                  "maxLength": 42,
                  "description": "The contract or wallet this transaction is aimed at."
                },
                "data": {
                  "type": "string",
                  "examples": [
                    "0x095ea7b3..."
                  ],
                  "maxLength": 20000,
                  "description": "The transaction's data field, hex. Omit for a plain native-token send."
                },
                "from": {
                  "type": "string",
                  "examples": [
                    "0xYourWallet..."
                  ],
                  "maxLength": 42,
                  "description": "The wallet that would sign. Used for the simulation and the allowance read."
                },
                "value": {
                  "type": "string",
                  "default": "0",
                  "examples": [
                    "0"
                  ],
                  "maxLength": 32,
                  "description": "Native token sent with the call, in wei. Decimal string."
                },
                "chainId": {
                  "enum": [
                    "8453",
                    "1",
                    "10",
                    "42161",
                    "137"
                  ],
                  "type": "string",
                  "default": "8453",
                  "description": "Which chain to simulate against."
                }
              }
            },
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object",
              "properties": {
                "action": {
                  "type": "string",
                  "description": "What the calldata actually does, decoded from its selector: approve, setApprovalForAll, transfer, transferFrom, permit, increaseAllowance, native-send or unknown."
                },
                "chainId": {
                  "type": "integer",
                  "description": "The chain the simulation ran against."
                },
                "reasons": {
                  "type": "array",
                  "description": "Every finding behind the verdict, in plain language, most severe first. Empty when the verdict is safe."
                },
                "spender": {
                  "type": "string",
                  "description": "The address being granted spending power, for an approve/permit. Empty otherwise."
                },
                "verdict": {
                  "type": "string",
                  "description": "safe | warn | danger. The one field to branch on: `danger` means do not sign this as written."
                },
                "willRevert": {
                  "type": "boolean",
                  "description": "True when simulating the call against current chain state reverts. A reverting transaction burns gas and changes nothing."
                },
                "gasEstimate": {
                  "type": "string",
                  "description": "Estimated gas units, decimal. Absent when the call reverts."
                },
                "revertReason": {
                  "type": "string",
                  "description": "The revert string when the node returns one."
                },
                "spendExposure": {
                  "type": "string",
                  "description": "What signing this hands over: an amount, `ENTIRE COLLECTION` for setApprovalForAll, or `none`."
                },
                "recipientIsFresh": {
                  "type": "boolean",
                  "description": "True when `to` has never sent a transaction and holds no native balance — the shape of a throwaway drain address."
                },
                "recipientIsContract": {
                  "type": "boolean",
                  "description": "Whether `to` has code. A call with calldata aimed at an address with no code does nothing."
                }
              }
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-09-13 16:39Z
Last indexed by Roundhouse
2026-09-17 13:00Z
Last enriched (probe, favicon, geo)
2026-09-13 19:45Z
x402 version
2
Max timeout
180s
Liveness probe
HTTP 405
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. 14 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 AMNT 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=AMNT'
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://www.amnt.io/api/os-tools/tx-preflight, 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.