← The evidence ledger
Evidence row 76222
Observed , by baseline/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://hcrb.in/v1/tools/calculate-fx-savings/call
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 26a42092c0a968fe393f3343e56255a7ad59d2e71cb6129685a1eed766724589
- Leaf
- 0xdfa855f941f30663fc4ac737d776fb38b63f7e443e9a334c7161d3ae2a33a293
What was observed
{
"endpoints": [
[
"x402",
"https://hcrb.in/v1/tools/calculate-fx-savings/call"
]
],
"name": "hcrb.in/v1/tools/calculate-fx-savings/call",
"owner_address": "0xc59c85e661d34084a7769f955d17fd38254a6235",
"raw": {
"accepts": [
{
"amount": "5000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"description": "code402 calculate-fx-savings",
"extra": {
"asset_caip19": "eip155:8453/erc20:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 900,
"mimeType": "application/json",
"network": "eip155:8453",
"payTo": "0xc59c85e661d34084a7769f955d17fd38254a6235",
"resource": "https://hcrb.in/v1/tools/calculate-fx-savings/call",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42",
"description": "code402 calculate-fx-savings",
"extra": {
"asset_caip19": "eip155:8453/erc20:0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42",
"name": "EURC",
"version": "2"
},
"maxTimeoutSeconds": 900,
"mimeType": "application/json",
"network": "eip155:8453",
"payTo": "0xc59c85e661d34084a7769f955d17fd38254a6235",
"resource": "https://hcrb.in/v1/tools/calculate-fx-savings/call",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"description": "code402 calculate-fx-savings",
"extra": {
"asset_caip19": "eip155:137/erc20:0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 900,
"mimeType": "application/json",
"network": "eip155:137",
"payTo": "0xc59c85e661d34084a7769f955d17fd38254a6235",
"resource": "https://hcrb.in/v1/tools/calculate-fx-savings/call",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"description": "code402 calculate-fx-savings",
"extra": {
"asset_caip19": "eip155:43114/erc20:0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 900,
"mimeType": "application/json",
"network": "eip155:43114",
"payTo": "0xc59c85e661d34084a7769f955d17fd38254a6235",
"resource": "https://hcrb.in/v1/tools/calculate-fx-savings/call",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0xC891EB4cbdEFf6e073e859e987815Ed1505c2ACD",
"description": "code402 calculate-fx-savings",
"extra": {
"asset_caip19": "eip155:43114/erc20:0xC891EB4cbdEFf6e073e859e987815Ed1505c2ACD",
"name": "Euro Coin",
"version": "2"
},
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"mimeType": "application/json",
"network": "eip155:43114",
"payTo": "0xc59c85e661d34084a7769f955d17fd38254a6235",
"resource": "https://hcrb.in/v1/tools/calculate-fx-savings/call",
"scheme": "exact"
},
{
"amount": "5000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"description": "code402 calculate-fx-savings",
"extra": {
"asset_caip19": "eip155:42161/erc20:0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 900,
"mimeType": "application/json",
"network": "eip155:42161",
"payTo": "0xc59c85e661d34084a7769f955d17fd38254a6235",
"resource": "https://hcrb.in/v1/tools/calculate-fx-savings/call",
"scheme": "exact"
}
],
"description": "Arithmetic comparison of a USDC settlement against comparator percentages YOU supply (bank_fee_pct, custodial_fee_pct) across 14 global fiat currencies. The comparators are assumptions, not measurements of any bank or provider; no protocol fee is deducted on this rail.",
"extensions": {
"bazaar": {
"info": {
"input": {
"body": {
"input": {
"amount_usdc": 50000,
"currency": "BRL"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"amount_usdc": 1000,
"code402_protocol_fee_usd": 2.5,
"currency": "USD",
"legacy_swift_fee_usd": 25,
"pct_retained": 0.9,
"retained_savings_usd": 22.5,
"scope": "estimate only",
"tool": "calculate-fx-savings"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"input": {
"properties": {
"amount": {
"description": "Gross invoice settlement volume in USD/USDC (alias).",
"type": "number"
},
"amount_usd": {
"description": "Gross invoice settlement volume in USD/USDC (alias).",
"type": "number"
},
"amount_usdc": {
"description": "Gross invoice settlement volume in USD/USDC.",
"type": "number"
},
"currency": {
"description": "Target currency for local comparison (e.g. EUR, GBP, BRL, INR, ARS, PHP, NGN, SGD).",
"type": "string"
}
},
"type": "object"
}
},
"required": [
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],
"type": "object"
},
"bodyType": {
"enum": [
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"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"amount_usdc": {
"type": "number"
},
"code402_protocol_fee_usd": {
"type": "number"
},
"currency": {
"type": "string"
},
"deel_fee_usd": {
"type": "number"
},
"legacy_swift_fee_usd": {
"type": "number"
},
"local_currency": {
"type": "object"
},
"pct_retained": {
"type": "number"
},
"retained_savings_usd": {
"type": "number"
},
"scope": {
"type": "string"
},
"tool": {
"type": "string"
}
},
"required": [
"amount_usdc",
"retained_savings_usd",
"pct_retained"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-10-25T18:36:27.167Z",
"quality": {
"l30DaysTotalCalls": 6,
"l30DaysUniquePayers": 4,
"lastCalledAt": "2026-10-25T18:36:25.776Z"
},
"resource": "https://hcrb.in/v1/tools/calculate-fx-savings/call",
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Arithmetic comparison of a USDC settlement against comparator percentages YOU supply (bank_fee_pct, custodial_fee_pct) across 14 global fiat currencies. The comparators are assumptions, not measurements of any bank or provider; no protocol fee is deducted on this rail."
}What the leaf hashes
{"body":"26a42092c0a968fe393f3343e56255a7ad59d2e71cb6129685a1eed766724589","id":76222,"kind":"listing","method":"baseline/1","observed_us":1793025491808225,"prev":null,"subject":"x402_bazaar:https://hcrb.in/v1/tools/calculate-fx-savings/call","subject_kind":"source_record"}Proof
Its day has not closed yet. A day closes ten minutes after midnight UTC; the proof appears here then.