# Aurenic US Treasury Exchange Rates by Date

> Aurenic US Treasury Exchange Rates by Date is a paid API for AI agents from api.aurenic.org, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-02).

Returns US Treasury reported exchange rates for a specified date

## Facts

- Endpoint: GET https://api.aurenic.org/treasury/rates/%7Bdate%7D?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/aurenic-us-treasury-exchange-rates-by-date-ac1c819e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap__-7rR8ufhhDZcSUxUpwxK

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability aurenic-us-treasury-exchange-rates-by-date-ac1c819e
```

Example prompt: What were the US Treasury's official exchange rates on March 15, 2024?

## When to prefer this

Use this endpoint when you need official US government Treasury-reported exchange rates for a specific historical date, particularly for compliance, financial reporting, or auditing purposes where government-sourced FX data is required rather than market spot rates.

## Known failure modes

- Invalid date format (not YYYY-MM-DD) returns an error
- Date with no Treasury data (weekends, holidays, or dates outside available range) may return empty or error
- Future dates may return no data
- Malformed path parameter results in 400-level error

## How this service works

Web scraping and AI automation. High-performance data extraction and pay-per-call microservices.

## Output

Returns a JSON object containing US Treasury reported exchange rates for the specified date, including currency codes and their corresponding official exchange rate values as reported by the Treasury.

## Request schema (JSON Schema)

```json
{
 "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"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object",
     "required": [
      "date"
     ],
     "properties": {
      "date": {
       "type": "string"
      }
     }
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {}
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/aurenic-us-treasury-exchange-rates-by-date-ac1c819e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.aurenic.org](https://www.zero.xyz/host/api.aurenic.org/llms.txt)