fx-reference-rates.mick8511.workers.dev

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "PAYMENT-SIGNATURE header is required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x6f762720b8515b7091e6aa69e8361f7b9909233f",
      "amount": "3000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://fx-reference-rates.mick8511.workers.dev/rate",
    "mimeType": "application/json",
    "description": "Currency exchange rates from the European Central Bank's official euro reference rates: convert an amount from one ISO 4217 currency to up to 30 others, today or on any date in the last 90 days. Cross rates computed via EUR."
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "to": "GBP,JPY",
            "from": "USD",
            "amount": "100"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "to": [
              "GBP",
              "JPY"
            ],
            "date": "2026-10-14",
            "from": "USD",
            "note": "Latest available ECB reference rates (2026-10-14). ECB reference rates are published around 16:00 CET on TARGET working days. Cross rates are calculated via EUR.",
            "rates": {
              "GBP": 0.79324238,
              "JPY": 149.82144
            },
            "amount": 100,
            "source": "European Central Bank euro foreign exchange reference rates",
            "converted": {
              "GBP": 79.324238,
              "JPY": 14982.144492
            },
            "disclaimer": "These reference rates are for information purposes only and are published free of charge by the ECB at https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/index.en.html. Cross rates are calculated from ECB euro rates and are not official ECB rates.",
            "source_url": "https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "required": [
                  "from",
                  "to"
                ],
                "properties": {
                  "to": {
                    "type": "string",
                    "description": "Target currency or comma-separated list (max 30), e.g. GBP,JPY"
                  },
                  "date": {
                    "type": "string",
                    "description": "Optional YYYY-MM-DD within the last 90 days; non-publication days use the most recent prior ECB date"
                  },
                  "from": {
                    "type": "string",
                    "description": "Source currency, ISO 4217 code, e.g. USD"
                  },
                  "amount": {
                    "type": "string",
                    "description": "Optional amount to convert (default 1)"
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object"
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x6f762720b8515b7091e6aa69e8361f7b9909233f",
    "scheme": "exact",
    "network": "eip155:8453",
    "mimeType": "application/json",
    "resource": "https://fx-reference-rates.mick8511.workers.dev/rate",
    "description": "",
    "maxAmountRequired": "3000",
    "maxTimeoutSeconds": 300
  }
]

Provenance

Seen in the source catalog

2026-10-21 21:47Z

Last indexed by Roundhouse

2026-10-23 20:16Z

Last enriched (probe, favicon, geo)

2026-10-23 19:46Z

x402 version

1

Max timeout

300s

Liveness probe

HTTP 402