Currency conversion (ECB reference rates, today or any date since 1999) — Real-w
Currency conversion (ECB reference rates, today or any date since 1999) — Real-world Data
Answeringour last check, 2026-09-25
1 of 1checks answered this week
648 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://saylorinnovations.com/api/util/fx
| Category | Market data |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-25 | valid payment request | 402 | $0.001 | 648 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"amount": "100",
"from": "USD",
"to": "EUR,JPY,GBP"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"queryParams": {
"properties": {
"amount": {
"description": "optional, default 1 (query)",
"type": "string"
},
"from": {
"description": "ISO currency, e.g. USD (query)",
"type": "string"
},
"to": {
"description": "optional ISO currency or comma list, e.g. EUR,JPY (query)",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"amount": {
"type": [
"number",
"null"
]
},
"converted": {
"type": "object"
},
"date": {
"type": "string"
},
"from": {
"type": "string"
},
"rates": {
"type": "object"
}
},
"required": [
"from",
"rates"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}