Exchange rate between two ISO currencies (ECB reference rates), optionally conve
Exchange rate between two ISO currencies (ECB reference rates), optionally converting an amount. (GET: pass the input as query parameters)
Answeringour last check, 2026-09-24
1 of 1checks answered this week
396 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://toll402.dev/v1/fx
| Category | Market data |
|---|---|
| Provider host | toll402.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 5 from 5 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.001 | 396 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"amount": 100,
"base": "USD",
"quote": "MXN"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"amount": {
"default": 1,
"minimum": 0,
"type": "number"
},
"base": {
"default": "USD",
"description": "ISO 4217 base currency",
"maxLength": 3,
"minLength": 3,
"type": "string"
},
"quote": {
"description": "ISO 4217 quote currency; omit for all rates",
"maxLength": 3,
"minLength": 3,
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"ms": {
"type": "integer"
},
"ok": {
"type": "boolean"
},
"result": {
"properties": {
"amount": {
"type": "integer"
},
"base": {
"type": "string"
},
"converted": {
"type": "integer"
},
"date": {
"type": "string"
},
"quote": {
"type": "string"
},
"rate": {
"type": "number"
}
},
"type": "object"
},
"tool": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}