Roundhouse

Lumi Trust

Pre-payment check for an x402 resource URL: allow, warn or block with coded reasons. Built from a daily index of the CDP Bazaar catalog, unpaid 402-quote checks and Lumi's own on-chain test purchases on Base, the XRP Ledger and Stellar. Optional payTo and amount inputs catch address or price mismatches. A free signed version, Lumi Check, is at /v1/check. Observations, not a guarantee.

TradingLiveeip155:8453Exactvia cdp
https://api.lumitrades.io/v1/trust/check
x402Payment-safetyTrust-scorePayment-checkAgent-payments
Calls · 30d
4
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 4 snapshots so far.
$8.82
Verified settled volume
96 settlements proven x402 by their on-chain EIP-3009 marker.
$0.020
Listed price
As published in the catalog. Always read the live 402 before paying.
4
Calls · 30d
Upstream's own call count for this endpoint, not ours.
2
Unique payers · 30d
Last called 2026-10-25 20:32Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x5E617bac19912e6d212CB303ae84655E9E203532

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.

{
  "note": "Add ?url=<the x402 resource URL you are about to pay> (optional payTo, amount) and request that URL for a fresh quote before paying: https://api.lumitrades.io/v1/trust/check?url=https://api.example.com/v1/data&payTo=0x...&amount=0.01. A payment sent without url is refused and not charged.",
  "error": "PAYMENT-SIGNATURE header is required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "symbol": "USDC",
        "version": "2",
        "decimals": 6,
        "invoiceId": "lumi1.trust_check:probe.tncalq.uMOWoS2maIb5.3100.JE1jBgog_g1cviRYJK2cfA"
      },
      "payTo": "0x5E617bac19912e6d212CB303ae84655E9E203532",
      "amount": "4000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    },
    {
      "asset": "XRP",
      "extra": {
        "invoiceId": "lumi1.trust_check:probe.tncalq.uMOWoS2maIb5.3100.JE1jBgog_g1cviRYJK2cfA",
        "sourceTag": 804681468
      },
      "payTo": "rM8kmmnz5qPMg7V3r7SHYXgDGvm8PhzLvM",
      "amount": "3100",
      "scheme": "exact",
      "network": "xrpl:0",
      "maxTimeoutSeconds": 300
    },
    {
      "asset": "524C555344000000000000000000000000000000",
      "extra": {
        "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
        "symbol": "RLUSD",
        "invoiceId": "lumi1.trust_check:probe.tncalq.uMOWoS2maIb5.3100.JE1jBgog_g1cviRYJK2cfA",
        "sourceTag": 804681468
      },
      "payTo": "rM8kmmnz5qPMg7V3r7SHYXgDGvm8PhzLvM",
      "amount": "0.004",
      "scheme": "exact",
      "network": "xrpl:0",
      "maxTimeoutSeconds": 300
    },
    {
      "asset": "5553444300000000000000000000000000000000",
      "extra": {
        "issuer": "rGm7WCVp9gb4jZHWTEtGUr4dd74z2XuWhE",
        "symbol": "USDC",
        "invoiceId": "lumi1.trust_check:probe.tncalq.uMOWoS2maIb5.3100.JE1jBgog_g1cviRYJK2cfA",
        "sourceTag": 804681468
      },
      "payTo": "rM8kmmnz5qPMg7V3r7SHYXgDGvm8PhzLvM",
      "amount": "0.004",
      "scheme": "exact",
      "network": "xrpl:0",
      "maxTimeoutSeconds": 300
    }
  ],
  "samples": "https://api.lumitrades.io/v1/samples",
  "resource": {
    "url": "https://api.lumitrades.io/v1/trust/check",
    "tags": [
      "x402",
      "payment-safety",
      "trust-score",
      "fraud-check",
      "agent-payments"
    ],
    "iconUrl": "https://lumitrades.io/assets/icon-512.png",
    "mimeType": "application/json",
    "description": "Should I pay this x402 URL? allow/warn/block check - $0.004. Use this before your agent pays an unfamiliar x402 URL: allow / warn / block with reasons, from Lumi's daily CDP Bazaar index, free quote checks and Lumi's own test-buys (Base USDC for Bazaar listings; XRPL only for a small curated vendor list, counted separately). Pass url, and optionally the payTo and amount you were quoted to catch address or price mismatches. Observations, not a guarantee. Not charged on bad input. JSON.",
    "serviceName": "Lumi Trades"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "url": "https://api.example.com/v1/data"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "kind": "trust_check",
            "as_of": "2026-10-23T11:00:00Z",
            "query": {
              "url": "https://api.example.com/v1/data",
              "payTo": "0x12ab...89cd"
            },
            "payment": {
              "asset": "USDC",
              "payer": "0x12ab...89cd",
              "amount": "0.004",
              "network": "eip155:8453",
              "transaction": "0x5f0c...e41a"
            },
            "reasons": [
              {
                "code": "last_quote_invalid",
                "detail": "Lumi's last free quote check did not get a valid x402 quote.",
                "severity": "warn"
              }
            ],
            "verdict": "warn",
            "confidence": "low",
            "next_steps": {
              "free_lookup": "https://api.lumitrades.io/v1/trust/vendors?url=..."
            },
            "stale_after": "2026-10-24T11:00:00Z"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {
                  "url": {
                    "type": "string",
                    "description": "The x402 resource URL you are about to pay (required)"
                  },
                  "payTo": {
                    "type": "string",
                    "description": "The payTo address from its 402 quote (optional)"
                  },
                  "amount": {
                    "type": "string",
                    "description": "The quoted price in USD, e.g. 0.01 (optional)"
                  }
                },
                "additionalProperties": false
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object",
                "required": [
                  "kind",
                  "payment"
                ],
                "properties": {
                  "kind": {
                    "type": "string"
                  },
                  "as_of": {
                    "type": "string"
                  },
                  "query": {
                    "type": "object"
                  },
                  "payment": {
                    "type": "object"
                  },
                  "reasons": {
                    "type": "array"
                  },
                  "verdict": {
                    "type": "string"
                  },
                  "confidence": {
                    "type": "string"
                  },
                  "next_steps": {
                    "type": "object"
                  },
                  "stale_after": {
                    "type": "string"
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Accepts

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

0.02USDC≈ $0.02 USD
on Base · exact scheme

Pay 0.02 USDC on Base to 0x5E61…03532. The signed payment is good for 5 minutes.

Paid to
0x5E61…03532
USD Coin contract
0x8335…02913
Payment window
5 minutes
As published
20000 smallest units
15500units
on xrpl:0 · 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
rM8kmm…hzLvM
Token contract
XRP
Payment window
5 minutes
0.02units
on xrpl:0 · 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
rM8kmm…hzLvM
Token contract
524C55…00000
Payment window
5 minutes
0.02units
on xrpl:0 · 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
rM8kmm…hzLvM
Token contract
555344…00000
Payment window
5 minutes
200000units
on stellar:pubnet · 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
GCKTH2…KBU2L
Token contract
CCW67T…JMI75
Payment window
5 minutes
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "symbol": "USDC",
      "version": "2",
      "decimals": 6,
      "invoiceId": "lumi1.trust_check:probe.tnhdb0.05m--yjBqXOR.15500.lOta6AZuJV20wzNGaCZ0TQ"
    },
    "payTo": "0x5E617bac19912e6d212CB303ae84655E9E203532",
    "amount": "20000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "XRP",
    "extra": {
      "invoiceId": "lumi1.trust_check:probe.tnhdb0.05m--yjBqXOR.15500.lOta6AZuJV20wzNGaCZ0TQ",
      "sourceTag": 804681468
    },
    "payTo": "rM8kmmnz5qPMg7V3r7SHYXgDGvm8PhzLvM",
    "amount": "15500",
    "scheme": "exact",
    "network": "xrpl:0",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "524C555344000000000000000000000000000000",
    "extra": {
      "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
      "symbol": "RLUSD",
      "invoiceId": "lumi1.trust_check:probe.tnhdb0.05m--yjBqXOR.15500.lOta6AZuJV20wzNGaCZ0TQ",
      "sourceTag": 804681468
    },
    "payTo": "rM8kmmnz5qPMg7V3r7SHYXgDGvm8PhzLvM",
    "amount": "0.02",
    "scheme": "exact",
    "network": "xrpl:0",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "5553444300000000000000000000000000000000",
    "extra": {
      "issuer": "rGm7WCVp9gb4jZHWTEtGUr4dd74z2XuWhE",
      "symbol": "USDC",
      "invoiceId": "lumi1.trust_check:probe.tnhdb0.05m--yjBqXOR.15500.lOta6AZuJV20wzNGaCZ0TQ",
      "sourceTag": 804681468
    },
    "payTo": "rM8kmmnz5qPMg7V3r7SHYXgDGvm8PhzLvM",
    "amount": "0.02",
    "scheme": "exact",
    "network": "xrpl:0",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
    "extra": {
      "symbol": "USDC",
      "decimals": 7,
      "invoiceId": "lumi1.trust_check:probe.tnhdb0.05m--yjBqXOR.15500.lOta6AZuJV20wzNGaCZ0TQ",
      "areFeesSponsored": true
    },
    "payTo": "GCKTH26VNR4H4WLCXS5DX6563XRQQXWP5QKQWFD6CHOGTZJ2N5GKBU2L",
    "amount": "200000",
    "scheme": "exact",
    "network": "stellar:pubnet",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "url": "https://api.example.com/v1/data"
        }
      },
      "output": {
        "type": "json",
        "example": {
          "kind": "trust_check",
          "as_of": "2026-10-23T11:00:00Z",
          "query": {
            "url": "https://api.example.com/v1/data",
            "payTo": "0x12ab...89cd"
          },
          "payment": {
            "asset": "USDC",
            "payer": "0x12ab...89cd",
            "amount": "0.02",
            "network": "eip155:8453",
            "transaction": "0x5f0c...e41a"
          },
          "reasons": [
            {
              "code": "last_quote_invalid",
              "detail": "Lumi's last free quote check did not get a valid x402 quote.",
              "severity": "warn"
            }
          ],
          "verdict": "warn",
          "confidence": "low",
          "next_steps": {
            "free_lookup": "https://api.lumitrades.io/v1/trust/vendors?url=..."
          },
          "next_update": "2026-10-23T17:00:00Z",
          "stale_after": "2026-10-24T11:00:00Z",
          "data_age_seconds": 600
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object",
              "required": [
                "url"
              ],
              "properties": {
                "url": {
                  "type": "string",
                  "description": "The x402 resource URL you are about to pay (required)"
                },
                "payTo": {
                  "type": "string",
                  "description": "The payTo address from its 402 quote (optional)"
                },
                "amount": {
                  "type": "string",
                  "description": "The quoted price in USD, e.g. 0.01 (optional)"
                }
              },
              "additionalProperties": false
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object",
              "required": [
                "kind",
                "payment"
              ],
              "properties": {
                "kind": {
                  "type": "string"
                },
                "as_of": {
                  "type": "string"
                },
                "query": {
                  "type": "object"
                },
                "payment": {
                  "type": "object"
                },
                "reasons": {
                  "type": "array"
                },
                "verdict": {
                  "type": "string"
                },
                "confidence": {
                  "type": "string"
                },
                "next_steps": {
                  "type": "object"
                },
                "next_update": {
                  "type": "string"
                },
                "stale_after": {
                  "type": "string"
                },
                "data_age_seconds": {
                  "type": "number"
                }
              }
            }
          }
        }
      }
    }
  },
  "payment-identifier": {
    "info": {
      "required": false
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "required"
      ],
      "properties": {
        "id": {
          "type": "string",
          "pattern": "^[a-zA-Z0-9_-]+$",
          "maxLength": 128,
          "minLength": 16
        },
        "required": {
          "type": "boolean"
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-10-25 20:32Z
Last indexed by Roundhouse
2026-10-26 20:00Z
Last enriched (probe, favicon, geo)
2026-10-23 02:46Z
x402 version
2
Max timeout
300s
Liveness probe
HTTP 402
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. 4 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 Lumi Trust 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=Lumi%20Trust'
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://api.lumitrades.io/v1/trust/check, 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. Either pay over x402 (mint a personal key for $0.01 at
GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at
https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further.

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