Foreign exchange reference rates from the European Central Bank
Foreign exchange reference rates from the European Central Bank. Base currency plus optional symbols filter. Updated daily on ECB schedule. JSON response. $0.002 USDC per call, pay via x402, no API key.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
22 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
GET https://toolsmith-api.dassad10.workers.dev/t/fx/rates
| Category | Market data |
|---|---|
| Provider host | toolsmith-api.dassad10.workers.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 3 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.002 | 22 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"base": "USD",
"symbols": "EUR,GBP,JPY"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"base": {
"description": "Base currency code, default USD",
"type": "string"
},
"symbols": {
"description": "Comma-separated target currency codes, optional",
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}