Convert an amount between two supported currencies using one validated ECB daily
Convert an amount between two supported currencies using one validated ECB daily reference-rate observation. The underlying ECB statistics are available free from the ECB Data Portal; the fee covers bounded retrieval, validation, clearly labelled cross-rate calculation, and x402 delivery.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
317 msmedian answer time
$0.002listed price per call
$0.002price 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://apiacre.com/v1/data/ecb-fx-reference
| Category | Market data |
|---|---|
| Provider host | apiacre.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.002 | 317 ms |
Example input (from the provider)
{
"body": {
"amount": "100",
"base_currency": "GBP",
"on_or_before": null,
"quote_currency": "USD"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"amount": {
"type": "string"
},
"base_currency": {
"enum": [
"AUD",
"BRL",
"CAD",
"CHF",
"CNY",
"CZK",
"DKK",
"EUR",
"GBP",
"HKD",
"HUF",
"IDR",
"ILS",
"INR",
"ISK",
"JPY",
"KRW",
"MXN",
"MYR",
"NOK",
"NZD",
"PHP",
"PLN",
"RON",
"SEK",
"SGD",
"THB",
"TRY",
"USD",
"ZAR"
],
"type": "string"
},
"on_or_before": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"quote_currency": {
"enum": [
"AUD",
"BRL",
"CAD",
"CHF",
"CNY",
"CZK",
"DKK",
"EUR",
"GBP",
"HKD",
"HUF",
"IDR",
"ILS",
"INR",
"ISK",
"JPY",
"KRW",
"MXN",
"MYR",
"NOK",
"NZD",
"PHP",
"PLN",
"RON",
"SEK",
"SGD",
"THB",
"TRY",
"USD",
"ZAR"
],
"type": "string"
}
},
"required": [
"base_currency",
"quote_currency"
],
"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": {
"data": {
"additionalProperties": false,
"properties": {
"amount": {
"type": "string"
},
"baseCurrency": {
"type": "string"
},
"basis": {
"type": "object"
},
"convertedAmount": {
"type": "string"
},
"disclaimer": {
"type": "string"
},
"inverseRate": {
"type": "string"
},
"limitations": {
"items": {
"type": "string"
},
"type": "array"
},
"networkRequestsMade": {
"type": "integer"
},
"quoteCurrency": {
"type": "string"
},
"rate": {
"type": "string"
},
"referenceDate": {
"type": "string"
},
"referenceLagDays": {
"type": "integer"
},
"requestedOnOrBefore": {
"type": [
"string",
"null"
]
},
"retrievedAt": {
"type": "string"
},
"source": {
"type": "object"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"baseCurrency",
"quoteCurrency",
"amount",
"rate",
"inverseRate",
"convertedAmount",
"referenceDate",
"requestedOnOrBefore",
"referenceLagDays",
"basis",
"source",
"retrievedAt",
"networkRequestsMade",
"warnings",
"limitations",
"disclaimer"
],
"type": "object"
},
"meta": {
"properties": {
"cached": {
"type": "boolean"
},
"duration_ms": {
"type": "integer"
},
"next_actions": {
"items": {
"type": "object"
},
"type": "array"
},
"sources": {
"items": {
"type": "string"
},
"type": "array"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [