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

Reference exchange rates for a base currency against some or all supported currencies (lat

Reference exchange rates for a base currency against some or all supported currencies (latest or a historical date).

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6000 (raw units)
price
3
calls / 30d
1
unique payers
2026-09-06
updated

Provider

fx.openverbs.com · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "6000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "base": "AUD",
          "date": "2024-01-01",
          "symbols": [
            "AUD"
          ]
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "additionalProperties": false,
              "properties": {
                "base": {
                  "description": "Base currency (ISO 4217).",
                  "enum": [
                    "AUD",
                    "BRL",
                    "CAD",
                    "CHF",
                    "CNY",
                    "CZK",
                    "DKK",
                    "EUR",
                    "GBP",
                    "HKD",
                    "HUF",
                    "IDR",
                    "ILS",
                    "INR",
                    "ISK",
                    "JPY",
                    "KRW",
                    "MXN",
                    "MYR",
                    "NOK",
                    "NZD",
                    "PHP",
                    "PLN",
                    "RON",
                    "SEK",
                    "SGD",
                    "THB",
                    "TRY",
                    "USD",
                    "ZAR"
                  ],
                  "type": "string"
                },
                "date": {
                  "description": "Historical date (YYYY-MM-DD). Defaults to latest.",
                  "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
                  "type": "string"
                },
                "symbols": {
                  "description": "Target currencies. Omit for all supported currencies.",
                  "items": {
                    "enum": [
                      "AUD",
                      "BRL",
                      "CAD",
                      "CHF",
                      "CNY",
                      "CZK",
                      "DKK",
                      "EUR",
                      "GBP",
                      "HKD",
                      "HUF",
                      "IDR",
                      "ILS",
                      "INR",
                      "ISK",
                      "JPY",
                      "KRW",
                      "MXN",
                      "MYR",
                      "NOK",
                      "NZD",
                      "PHP",
                      "PLN",
                      "RON",
                      "SEK",
                      "SGD",
                      "THB",
                      "TRY",
                      "USD",
                      "ZAR"
                    ],
                    "type": "string"
                  },
                  "minItems": 1,
                  "type": "array"
                }
              },
              "required": [
                "base"
              ],
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://fx.openverbs.com/v1/rates"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://fx.openverbs.com/v1/rates");
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://fx.openverbs.com/v1/rates")
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/13796.json, and this resource appears in /discovery/resources and /discovery/search.