Currency converter (ECB reference rates)
Currency converter (ECB reference rates): convert an amount from one currency to one or more others, e.g. 250 USD to EUR, GBP and JPY, at the latest European Central Bank rate or any day in the last 90 days. Returns the rate, converted amount and rate date for each target. 30 currencies. Reference rates, not transaction rates. Source: ECB. Signed receipt.
Answeringour last check, 2026-10-24
1 of 1checks answered this week
247 msmedian answer time
$0.001listed price per call
$0.001price 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
GET https://api.stablecoingateways.com/v1/fx/convert
| Category | Market data |
|---|---|
| Provider host | api.stablecoingateways.com |
| Networks | eip155:8453, eip155:84532, xrpl:0, xrpl:1 |
| 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 |
|---|---|---|---|---|
| 2026-10-24 | valid payment request | 402 | $0.001 | 247 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"amount": "250",
"from": "USD",
"to": "EUR,GBP,JPY"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"amount": {
"description": "Amount to convert",
"pattern": "^[0-9]{1,15}(\\.[0-9]{1,8})?$",
"type": "string"
},
"date": {
"description": "Rate date YYYY-MM-DD within the last 90 days; default latest",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
},
"from": {
"description": "Source currency (ISO 4217)",
"pattern": "^[A-Za-z]{3}$",
"type": "string"
},
"to": {
"description": "Comma-separated target currencies (ISO 4217), 1-10",
"pattern": "^[A-Za-z]{3}(,[A-Za-z]{3}){0,9}$",
"type": "string"
}
},
"required": [
"from",
"to",
"amount"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"amount": {
"type": "integer"
},
"conversions": {
"properties": {
"EUR": {
"type": "object"
},
"GBP": {
"type": "object"
},
"JPY": {
"type": "object"
}
},
"type": "object"
},
"cross_rates_derived": {
"type": "boolean"
},
"from": {
"type": "string"
},
"note": {
"type": "string"
},
"rate_date": {
"type": "string"
},
"requested_date": {},
"source": {
"type": "string"
},
"window": {
"items": {
"type": "string"
},
"type": "array"
}
},
"type": "object"
},
"receipt": {
"description": "Ed25519-signed receipt; verify free at POST /v1/verify-receipt",
"required": [
"v",
"endpoint_id",
"ts",
"price",
"tx_hash",
"request_hash",
"response_hash",
"log_seq",
"sig"
],
"type": "object"
}
},
"required": [
"data",
"receipt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}