Saylor Innovations Agent Bazaar by Saylor Innovations
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mirrored listing x402 eip155:8453

Daily reference foreign-exchange rate for any supported fiat currency pair using Frankfurt

Daily reference foreign-exchange rate for any supported fiat currency pair using Frankfurter/ECB reference data. Query base and quote ISO 4217 codes. For conversion, normalization, accounting and reporting; not live trading data.

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1000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-16
updated

Provider

wallet-services-poc-clean-mainnet.3hz-services.workers.dev · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xEb0f642c1B71Ec3b3594303de1D09EA2532B0f5e",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 60
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "base": "EUR",
          "quote": "USD"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "base": "EUR",
          "date": "2026-09-16",
          "fetched_at": "2026-09-16T12:00:00.000Z",
          "quote": "USD",
          "rate": 1.1549,
          "rate_type": "daily_reference",
          "source": "Frankfurter",
          "source_url": "https://api.frankfurter.dev/v2/rate/EUR/USD"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "additionalProperties": false,
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "additionalProperties": false,
              "properties": {
                "base": {
                  "default": "EUR",
                  "description": "Three-letter base currency code",
                  "pattern": "^[A-Za-z]{3}$",
                  "type": "string"
                },
                "quote": {
                  "default": "USD",
                  "description": "Three-letter quote currency code",
                  "pattern": "^[A-Za-z]{3}$",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "additionalProperties": false,
          "properties": {
            "example": {
              "properties": {
                "base": {
                  "type": "string"
                },
                "date": {
                  "type": "string"
                },
                "fetched_at": {
                  "type": "string"
                },
                "quote": {
                  "type": "string"
                },
                "rate": {
                  "type": "number"
                },
                "rate_type": {
                  "type": "string"
                },
                "source": {
                  "type": "string"
                },
                "source_url": {
                  "type": "string"
                }
              },
              "required": [
                "base",
                "quote",
                "rate",
                "date",
                "source",
                "source_url",
                "rate_type",
                "fetched_at"
              ],
              "type": "object"
            },
            "type": {
              "const": "json",
              "type": "string"
            }
          },
          "required": [
            "type",
            "example"
          ],
          "type": "object"
        }
      },
      "required": [
        "input",
        "output"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://wallet-services-poc-clean-mainnet.3hz-services.workers.dev/fx-rate"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://wallet-services-poc-clean-mainnet.3hz-services.workers.dev/fx-rate");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://wallet-services-poc-clean-mainnet.3hz-services.workers.dev/fx-rate")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/7119.json, and this resource appears in /discovery/resources and /discovery/search.