# Treasury on Onekey

> 8 endpoints for Treasury (8 stable, 0 beta), 5 credits each. Category: Government & public data. One key, one JSON shape.

Base URL: https://api.onekey.dev
Auth: header `x-api-key: <key>`. Call shape: `GET /v1/{platform}/{endpoint}?{params}`.
Every response is `{success, data, metadata, error}`; check `success` first. Cost is in `metadata.credits_charged`. Free when served from cache (0.2 credit for a cached response over 100 KB). Failed and not-found calls are refunded.
Status: stable = verified against the live source; beta = not yet verified, fields may be missing.

Page: https://onekey.dev/platforms/treasury
Reference (Markdown): https://onekey.dev/docs/api/treasury.md
All docs: https://onekey.dev/llms.txt

## Canonical fields returned

Unified-schema fields (same names on every platform), with how many of the 8 mapped Treasury endpoints return each:

- `entity.date` (ISO 8601 date): 8
- `entity.name` (string): 7
- `entity.category` (string): 5
- `entity.createdAt` (ISO 8601 date): 1
- `entity.id` (string): 1
- plus 17 platform-specific fields under `ext.`

## Endpoints

### treasury.auctions

US Treasury securities auctions (announced/completed).
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/treasury/auctions?size=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `size` (string, optional, default 10): Rows (1-100)
- Fields returned: `entity.id`, `entity.category`, `entity.name`, `entity.date`, `entity.createdAt`, `ext.maturityDate`
- Reference: https://onekey.dev/docs/api/treasury/auctions.md

### treasury.avg_interest_rates

Average interest rates on US Treasury securities.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/treasury/avg_interest_rates?size=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `size` (string, optional, default 10): Rows (1-100)
- Fields returned: `entity.date`, `entity.name`, `entity.category`, `ext.avgRatePct`
- Reference: https://onekey.dev/docs/api/treasury/avg_interest_rates.md

### treasury.debt_to_penny

Total US public debt outstanding, daily.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/treasury/debt_to_penny?size=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `size` (string, optional, default 10): Rows (1-100)
- Fields returned: `entity.date`, `ext.totalDebt`, `ext.heldByPublic`, `ext.intragovernmental`
- Reference: https://onekey.dev/docs/api/treasury/debt_to_penny.md

### treasury.exchange_rates

Treasury reporting rates of exchange (quarterly, per country-currency).
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/treasury/exchange_rates?size=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `size` (string, optional, default 10): Rows (1-100)
- Fields returned: `entity.name`, `entity.category`, `entity.date`, `ext.symbol`, `ext.rate`
- Reference: https://onekey.dev/docs/api/treasury/exchange_rates.md

### treasury.gold_reserve

US Treasury-owned gold reserve by facility.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/treasury/gold_reserve?size=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `size` (string, optional, default 10): Rows (1-100)
- Fields returned: `entity.date`, `entity.name`, `entity.category`, `ext.troyOunces`, `ext.bookValue`
- Reference: https://onekey.dev/docs/api/treasury/gold_reserve.md

### treasury.interest_expense

Interest expense on the public debt by security type.
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/treasury/interest_expense?size=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `size` (string, optional, default 10): Rows (1-100)
- Fields returned: `entity.date`, `entity.name`, `entity.category`, `ext.monthExpense`, `ext.fytdExpense`
- Reference: https://onekey.dev/docs/api/treasury/interest_expense.md

### treasury.monthly_statement

Monthly Treasury Statement: receipts and outlays (table 1).
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/treasury/monthly_statement?size=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `size` (string, optional, default 10): Rows (1-100)
- Fields returned: `entity.date`, `entity.name`, `ext.grossReceipts`, `ext.grossOutlays`, `ext.deficitSurplus`
- Reference: https://onekey.dev/docs/api/treasury/monthly_statement.md

### treasury.operating_cash_balance

Daily Treasury Statement: operating cash balance (TGA).
- Price: 5 credits per fresh call. Status: stable. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/treasury/operating_cash_balance?size=5` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `size` (string, optional, default 10): Rows (1-100)
- Fields returned: `entity.date`, `entity.name`, `ext.openToday`, `ext.openMonth`, `ext.openFiscalYear`
- Reference: https://onekey.dev/docs/api/treasury/operating_cash_balance.md

## Sample request

```bash
curl "https://api.onekey.dev/v1/treasury/auctions?size=5" \
  -H "x-api-key: YOUR_API_KEY"
```