ToolAssay

Currency exchange rates from the European Central Bank

Currency exchange rates from the European Central Bank: euro reference rates for 29 currencies plus EUR (USD, GBP, JPY, CHF, CNY...), latest or any day in the last 90 days, with cross rates for any base and optional amount conversion (e.g. 100 USD to EUR). Use for invoicing, pricing and reporting. Reference rates, not transaction rates. Source: ECB; free at ecb.europa.eu. Signed receipt.

Answeringour last check, 2026-10-24
1 of 1checks answered this week
2029 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/rates

CategoryMarket data
Provider hostapi.stablecoingateways.com
Networkseip155:8453, eip155:84532, xrpl:0, xrpl:1
Payment schemesexact
Self-reported calls, 30 days4 from 4 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-10-24 valid payment request 402$0.001 2029 ms

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "base": "USD",
    "symbols": "EUR,GBP,JPY"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "headers": {
          "additionalProperties": {
            "type": "string"
          },
          "type": "object"
        },
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "additionalProperties": false,
          "properties": {
            "amount": {
              "description": "Optional amount to convert",
              "pattern": "^[0-9]+(\\.[0-9]+)?$",
              "type": "string"
            },
            "base": {
              "description": "Base currency (ISO 4217), default EUR",
              "pattern": "^[A-Za-z]{3}$",
              "type": "string"
            },
            "date": {
              "description": "Rate date YYYY-MM-DD within the last 90 days; default latest",
              "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
              "type": "string"
            },
            "symbols": {
              "description": "Comma-separated ISO 4217 codes; default all",
              "type": "string"
            }
          },
          "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",
              "description": "ECB reference rates for the base currency on the rate date, optional converted amounts",
              "properties": {
                "base": {
                  "type": "string"
                },
                "cross_rates_derived": {
                  "type": "boolean"
                },
                "note": {
                  "type": "string"
                },
                "rate_date": {
                  "type": "string"
                },
                "rates": {
                  "properties": {
                    "EUR": {
                      "type": "number"
                    },
                    "GBP": {
                      "type": "number"
                    },
                    "JPY": {
                      "type": "number"
                    }
                  },
                  "type": "object"
                },
                "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"
}

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