Name: Treasury Certified Interest Rates: Monthly Certification
Creator: U.S. DEPARTMENT OF THE TREASURY

Introduction

10/02/2006 — 11/03/2026Released MonthlyLast Updated 11/03/2026New Data Expected 12/02/20266 Data Tables

This dataset contains interest rates for various agencies which are certified by the U.S. Department of the Treasury. These rates are utilized for various statutory purposes.

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Dataset Properties

Data Table Name	Field Name	Display Name	Description	Data Type	Is Required
Month Year Specific Maturities	record_date	Record Date	The date that rate data was updated.	DATE	1
Month Year Specific Maturities	table_nm	Table Name	The name of the data table.	STRING	1
Month Year Specific Maturities	maturity	Maturity	Time frame/Maturity of the interest rate	STRING	1
Month Year Specific Maturities	previous_month_year	Previous Month Year	Represents the previous month and year based on the date of the file received.	STRING	1
Month Year Specific Maturities	rate_used_for_prev_month_year	Rate Used for Previous Month Year	Certified Interest Rates used for the previous month	STRING	1

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Endpoints

BASE URL:

https://api.fiscaldata.treasury.gov/services/api/fiscal_service/

Table Name	Endpoint

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FULL URL:

https://api.fiscaldata.treasury.gov/services/api/fiscal_service/

Fields

Refer to Dataset Properties above for a data dictionary with field names and descriptions, as well as notes and known limitations. known limitations.

Field Name	Display Name	Data Type	Data Table Name

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Data Types

All data is returned as a string, including nulls. Refer to the chart above for the intended data type of each field.

Treasury Certified Interest Rates: Monthly Certification

Introduction

Reports and Files

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Dataset Properties

Notes & Known Limitations

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Treasury Certified Interest Rates: Monthly Certification

Introduction

Reports and Files

Data Preview

Choose Data Table:

Date Range

Dataset Properties

Notes & Known Limitations

API Quick Guide

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