> For the complete documentation index, see [llms.txt](https://doc.duaer.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.duaer.com/getting-started/treasury.md).

# US Treasury fiscal data in Duaer

In Duaer: US Treasury Fiscal Data: daily total public debt, average interest rates on Treasury securities, and Treasury reporting exchange rates. One successful search uses 1 credit.
## What you get

Duaer US Treasury fiscal data reads three official US Treasury datasets, newest first: debt to the penny, average interest rates by security, and quarterly reporting exchange rates.

Pick Duaer Data → US Treasury fiscal data in the node creator, or open the [data market](/getting-started/data-market.md). Related: [US federal agency budgets](/getting-started/usaspending.md), [Exchange rates](/getting-started/exchange-rates.md).

## When to use it

- Get the latest US total public debt.
- Look up the rate the US Treasury uses to convert a foreign currency.

## When not to use it

- Market exchange rates. Use [Exchange rates](/getting-started/exchange-rates.md).
- Agency budgets. Use [US federal agency budgets](/getting-started/usaspending.md).

## Search on the canvas

1. Open the node creator and pick Duaer Data → US Treasury fiscal data.
2. Fill Dataset (debt, interest, or exchange). Optional: Words (such as China).
3. Limit defaults to 10, max 20. Execute.

A search uses 1 credit only when it returns rows. No rows, wrong input, or an upstream failure uses 0.

## Call the API

- GET https://api.duaer.com/v1/data/treasury?dataset=debt
- Authorization: Bearer <Duaer key>

The call skill below matches Copy skill in the Duaer data market, with parameters, examples, and result fields.

## Call skill

Same text as Copy skill.

```
---
name: duaer-treasury
description: >-
  Duaer US Treasury fiscal data. US Treasury Fiscal Data: daily total public debt, average interest rates on Treasury securities, and Treasury reporting exchange rates.
  One successful search uses 1 Duaer credit.
---

# Duaer US Treasury fiscal data

Duaer US Treasury fiscal data reads three official US Treasury datasets, newest first: debt to the penny, average interest rates by security, and quarterly reporting exchange rates.

## When to use

- Get the latest US total public debt.
- Look up the rate the US Treasury uses to convert a foreign currency.

## When not to use

- Market exchange rates. Use https://skills.duaer.com/exchange-rates.md.
- Agency budgets. Use https://skills.duaer.com/usaspending.md.

## Call

`GET https://api.duaer.com/v1/data/treasury?dataset=debt`

Header: `Authorization: Bearer <Duaer key>`

Use an account key or a model API key.

Get a Duaer key: https://skills.duaer.com/keys.md

## Parameters

Provide `dataset`.

- `dataset` — `debt` (debt to the penny), `interest` (average rates by security), or `exchange` (rates per US dollar).
- `words` — Optional. Filter rows, such as Treasury Bills or China.
- `limit` — Optional. Rows to return, from 1 to 20. Default 10.

## Examples

- `GET https://api.duaer.com/v1/data/treasury?dataset=debt&limit=5` — the last five days of total public debt.
- `GET https://api.duaer.com/v1/data/treasury?dataset=exchange&words=China` — Treasury rates for the renminbi.

## Result

The response is `{ "items": [...] }`. Each item has `source`, `title`, `url`, and `summary`, plus:

- `date` — record date.
- Debt: `totalDebtUsd`, `debtHeldByPublicUsd`, `intragovernmentalUsd`.
- Interest: `security`, `securityType`, `averageRatePercent`.
- Exchange: `country`, `currency`, `perUsd`, `effectiveDate`.

Fields without a value are left out.

## Credits

A search that returns at least one row uses 1 credit.
An empty search, a search that finds nothing, or a failed search uses 0.
Wrong input returns 400 with a message and uses 0.
No remaining credits returns 402 and does not search.
A missing key returns 401.

## Related

- https://skills.duaer.com/usaspending.md — Duaer US federal agency budgets
- https://skills.duaer.com/exchange-rates.md — Duaer Exchange rates

```
## Questions

### How many credits does a US Treasury fiscal data search use in Duaer?

One credit when Duaer returns rows. A search with no rows or an error uses 0.

### Which datasets does Duaer US Treasury fiscal data cover?

Duaer US Treasury fiscal data covers debt (debt to the penny), interest (average interest rates), and exchange (quarterly reporting rates).

## Related

- [US federal agency budgets in Duaer](https://doc.duaer.com/getting-started/usaspending.md)
- [Exchange rates in Duaer](https://doc.duaer.com/getting-started/exchange-rates.md)