Arithmetic comparison of a USDC settlement against comparator percentages YOU su
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.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
31 msmedian answer time
$0.005listed price per call
$0.005price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://hcrb.in/v1/tools/calculate-fx-savings/call
| Category | Market data |
|---|---|
| Provider host | hcrb.in |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.005 | 31 ms |
Example input (from the provider)
{
"body": {
"input": {
"amount_usdc": 50000,
"currency": "BRL"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$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": [
"input"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"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"
}