← The evidence ledger
Evidence row 67151
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://api.manylives.me/paid/calc/finance
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 6d6f839fe750f05e3597870ba7b056f1fc501009548c51ad9b598fa841ecc5ae
- Leaf
- 0xa6f975addc2b11c684a380ef64e8158d4c7e76a99f758d102f6a7a94e5f30d22
What was observed
{
"endpoints": [
[
"x402",
"https://api.manylives.me/paid/calc/finance"
]
],
"name": "ManyLives Tools",
"owner_address": "0xd161874249321f8ae3000c19ddd070e46682f1b3",
"raw": {
"accepts": [
{
"amount": "2000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 120,
"network": "eip155:8453",
"payTo": "0xD161874249321F8AE3000C19DdD070e46682f1B3",
"scheme": "exact"
}
],
"description": "Exact finance maths: loan repayment and total interest, compound growth with regular contributions, NPV and IRR of cash flows, and ROI with annualised return.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"op": "loan",
"principal": "400000",
"rate": "6",
"years": "30"
},
"type": "http"
},
"output": {
"example": {
"op": "loan",
"payment": 1798.65,
"total_interest": 247514,
"total_paid": 647514
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"const": "GET",
"type": "string"
},
"queryParams": {
"properties": {
"contribution": {
"description": "compound: added each period",
"type": "string"
},
"cost": {
"description": "roi: amount invested",
"type": "string"
},
"flows": {
"description": "npv/irr: comma-separated cash flows, first is usually negative",
"type": "string"
},
"op": {
"description": "loan, compound, npv, irr or roi (required)",
"examples": [
"loan"
],
"type": "string"
},
"payments_per_year": {
"description": "loan: default 12",
"type": "string"
},
"periods_per_year": {
"description": "compound: default 12",
"type": "string"
},
"principal": {
"description": "loan/compound: starting amount",
"examples": [
"400000"
],
"type": "string"
},
"rate": {
"description": "annual rate in percent (loan, compound, npv)",
"examples": [
"6"
],
"type": "string"
},
"value": {
"description": "roi: final value",
"type": "string"
},
"years": {
"description": "loan/compound/roi: years",
"examples": [
"30"
],
"type": "string"
}
},
"required": [
"op"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"op": {
"type": "string"
},
"payment": {
"type": "number"
},
"total_interest": {
"type": "number"
},
"total_paid": {
"type": "number"
}
},
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791574235/bazaar-icons/dee04b199148b5de.png",
"lastUpdated": "2026-10-09T22:16:20.087Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 2,
"lastCalledAt": "2026-10-09T22:16:19.715Z"
},
"resource": "https://api.manylives.me/paid/calc/finance",
"serviceName": "ManyLives Tools",
"tags": [
"agents",
"tools",
"data",
"utilities",
"json"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Exact finance maths: loan repayment and total interest, compound growth with regular contributions, NPV and IRR of cash flows, and ROI with annualised return."
}What the leaf hashes
{"body":"6d6f839fe750f05e3597870ba7b056f1fc501009548c51ad9b598fa841ecc5ae","id":67151,"kind":"listing","method":"baseline/1","observed_us":1793025462322875,"prev":null,"subject":"x402_bazaar:https://api.manylives.me/paid/calc/finance","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.