# U.S. Treasury Fiscal Data Interest Rates API

**Canonical:** https://apis.io/apis/fiscaldata/fiscaldata-interest-rates-api/  
**Provider:** U.S. Treasury Fiscal Data — https://apis.io/providers/fiscaldata/  
**Base URL:** https://api.fiscaldata.treasury.gov/services/api/fiscal_service  
**Documentation:** https://fiscaldata.treasury.gov/datasets/debt-to-the-penny/debt-to-the-penny

U.S. Treasury Fiscal Data Interest Rates API is one of 6 APIs that [U.S. Treasury Fiscal Data](https://apis.io/providers/fiscaldata/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Interest Rates. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Average interest rates on U.S. Treasury securities.

## Machine-readable artifacts (10)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/fiscaldata/refs/heads/main/openapi/fiscaldata-interest-rates-api-openapi.yml
- **Documentation** — https://fiscaldata.treasury.gov/api-documentation/
- **APIReference** — https://fiscaldata.treasury.gov/datasets/debt-to-the-penny/debt-to-the-penny
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/fiscaldata/refs/heads/main/collections/fiscaldata.postman_collection.json
- **OpenCollection** — https://raw.githubusercontent.com/api-evangelist/fiscaldata/refs/heads/main/collections/fiscaldata.opencollection.json
- **APIReference** — https://fiscaldata.treasury.gov/datasets/average-interest-rates-treasury-securities/average-interest-rates-on-u-s-treasury-securities
- **APIReference** — https://fiscaldata.treasury.gov/datasets/daily-treasury-statement/operating-cash-balance
- **APIReference** — https://fiscaldata.treasury.gov/datasets/monthly-treasury-statement/summary-of-receipts-and-outlays-of-the-u-s-government
- **APIReference** — https://fiscaldata.treasury.gov/datasets/treasury-reporting-rates-exchange/treasury-reporting-rates-of-exchange
- **APIReference** — https://fiscaldata.treasury.gov/datasets/auctions-query/auctions-query

## Other U.S. Treasury Fiscal Data APIs (5)

- [U.S. Treasury Fiscal Data Daily Treasury Statement API](https://apis.io/apis/fiscaldata/fiscaldata-daily-treasury-statement-api/)
- [U.S. Treasury Fiscal Data Debt API](https://apis.io/apis/fiscaldata/fiscaldata-debt-api/)
- [U.S. Treasury Fiscal Data Exchange Rates API](https://apis.io/apis/fiscaldata/fiscaldata-exchange-rates-api/)
- [U.S. Treasury Fiscal Data Monthly Treasury Statement API](https://apis.io/apis/fiscaldata/fiscaldata-monthly-treasury-statement-api/)
- [U.S. Treasury Fiscal Data Securities API](https://apis.io/apis/fiscaldata/fiscaldata-securities-api/)

## Tags

Interest Rates

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/fiscaldata/fiscaldata-interest-rates-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/fiscaldata/.