Api Endpoint

US Treasury exchange rates

Official US Treasury reporting rates of exchange (quarterly) for about 170 currencies against the US dollar, including many the ECB does not publish (Argentine peso, naira, bolivar...), with history per country.

Open interactive test console

Offering

Provider: api.vextorium.com
Method: POST
Offering type: Api Endpoint
Transport type: http
Category: Financial Analysis
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://api.vextorium.com/v1/us-treasury-fx-rates
MIME type: application/json
First seen: 2026-10-16T01:51:30.109Z
Last seen: 2026-11-05T17:24:15.512Z
Tags: FX, exchange-rates, treasury, emerging-markets, USD

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.003 USDC
Atomic price: 3000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2: 0.003 USDC
Atomic price: 3000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Payment option 3: 2310 atomic units
Atomic price: 2310 · Network: xrpl:0 · Asset: XRP · Scheme: exact
Payment option 4: 0.003 USDC
Atomic price: 3000 · Network: eip155:137 · Asset: USDC · Scheme: exact
Payment option 5: 0.003 USDC
Atomic price: 3000 · Network: eip155:10 · Asset: USDC · Scheme: exact
Payment option 6: 3000 atomic units
Atomic price: 3000 · Network: eip155:5042 · Asset: 0x3600000000000000000000000000000000000000 · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "3000",
    "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "3000",
    "payTo": "HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2"
  },
  {
    "scheme": "exact",
    "network": "xrpl:0",
    "asset": "XRP",
    "amount": "2310",
    "payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "3000",
    "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf"
  },
  {
    "scheme": "exact",
    "network": "eip155:10",
    "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
    "amount": "3000",
    "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf"
  },
  {
    "scheme": "exact",
    "network": "eip155:5042",
    "asset": "0x3600000000000000000000000000000000000000",
    "amount": "3000",
    "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf"
  }
]

Observed health

Status: Healthy
Latest latency: 386 ms
Average latency: 1197 ms
HTTP status: 200
Last checked: 2026-11-03T23:44:30.107Z
Reachability: 100% over 10 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "properties": {
        "country": {
          "type": "string",
          "description": "Country in English, e.g. Argentina (omit for all)"
        },
        "currency": {
          "type": "string",
          "description": "Currency name in English, e.g. Peso (optional)"
        }
      },
      "required": []
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": [
        "object",
        "null"
      ],
      "properties": {
        "country": {
          "type": [
            "string",
            "null"
          ]
        },
        "currency": {
          "type": [
            "string",
            "null"
          ]
        },
        "last": {
          "type": [
            "object",
            "null"
          ],
          "properties": {
            "date": {
              "type": [
                "string",
                "null"
              ]
            },
            "units_per_usd": {
              "type": [
                "number",
                "null"
              ]
            }
          }
        },
        "historical": {
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": [
              "null",
              "object"
            ],
            "properties": {
              "date": {
                "type": [
                  "null",
                  "string"
                ]
              },
              "units_per_usd": {
                "type": [
                  "null",
                  "number"
                ]
              }
            }
          }
        },
        "source": {
          "type": [
            "string",
            "null"
          ]
        }
      }
    }
  },
  "required": [
    "type"
  ]
}