Live foreign-exchange reference rates (European Central Bank daily fixes, ~30 major curren

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x15459498e1191d8787c83177809bd54022fA18c4",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "amount": 100,
          "base": "USD",
          "symbols": [
            "EUR",
            "GBP",
            "JPY"
          ]
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "body": {
          "base": "string",
          "date": "string (rate date, ECB daily fix)",
          "rates": "object — code -> rate, or code -> { rate, converted } when amount given",
          "source": "string (attribution)"
        },
        "bodyType": "json",
        "example": {
          "amount": 100,
          "base": "USD",
          "date": "2026-08-14",
          "rates": {
            "EUR": {
              "converted": 86.452,
              "rate": 0.86452
            },
            "GBP": {
              "converted": 74.41,
              "rate": 0.7441
            }
          },
          "source": "European Central Bank reference rates (attribution required if redistributed)"
        }
      }
    },
    "routeTemplate": "/fx",
    "schema": {
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "additionalProperties": false,
              "description": "ALL fields optional — an empty (or absent) body returns all ~30 rates vs EUR.",
              "properties": {
                "amount": {
                  "description": "Optional amount to convert at each rate.",
                  "type": "number"
                },
                "base": {
                  "description": "ISO 4217 base currency (default EUR).",
                  "type": "string"
                },
                "symbols": {
                  "description": "Target currency codes (default: all ~30).",
                  "items": {
                    "type": "string"
                  },
                  "maxItems": 50,
                  "type": "array"
                }
              },
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        }
      }
    }
  }
}

curl "https://workbot1.oddsys.org/fx"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://workbot1.oddsys.org/fx");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://workbot1.oddsys.org/fx")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header