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Best reimbursement rates APIs

GovRates Per Diem and Fair Market Rent API

Real Estate & Housing

One API to look up U.S. federal GSA per-diem (travel lodging + M&IE) and HUD Fair Market Rent / Small Area FMR (rent by bedroom, with voucher payment-standard bands) for any ZIP code — joined in a single call. FY2026, public-domain data, clean JSON. Built for travel-nurse stipend, relocation/HR, and real-estate/Section-8 tools. Unofficial; not affiliated with GSA or HUD.

Free 7-Day Trial

100% uptime 85ms avg MCP ready

Retrieve Tax Rates Information API

Finance & Payments

Supplies U.S. ZIP code–based tax rates for precise automatic tax computation.

Free 7-Day Trial

100% uptime 25ms avg MCP ready

Tax Rates Data Retrieval API

Finance & Payments

Offers tax rate data by ZIP code across the United States for accurate tax calculations.https://zylalabs.com/api

Free 7-Day Trial

100% uptime 30ms avg MCP ready

Tax Rate Retrieval by ZIP API

Legal & Compliance

The Tax Rate Retrieval by ZIP API provides accurate tax rate data for US zip codes, making it easier to make informed decisions and comply.

Free 7-Day Trial

100% uptime 192ms avg MCP ready

Get Tax Rates Information API

Finance & Payments

Returns tax rates by U.S. ZIP code to support accurate automated tax processing.

Free 7-Day Trial

100% uptime 81ms avg MCP ready

Tax Rate Information Extractor API

Finance & Payments

Delivers tax rates by U.S. ZIP code, enabling accurate and automated tax calculations.

Free 7-Day Trial

100% uptime 41ms avg MCP ready

Tax Rates API

Finance & Payments

Provides tax rates by ZIP code in the United States, allowing you to automatically calculate taxes with precision

Free 7-Day Trial

100% uptime 147ms avg MCP ready

Tax Rate Searcher API

Finance & Payments

Discover regional tax nuances with Tax Rate Searcher API, enhancing your strategic planning.

Free 7-Day Trial

100% uptime 305ms avg MCP ready

Tax Rate Data Fetcher API

Finance & Payments

Provides ZIP code tax rates in the U.S., helping automate precise tax calculations.

Free 7-Day Trial

100% uptime 28ms avg MCP ready

Tax Rate by ZIP API

Legal & Compliance

The Tax Rate by ZIP API delivers precise tax rate information for US zip codes, facilitating informed decision-making and compliance.

Free 7-Day Trial

100% uptime 833ms avg MCP ready

Retrieve Tax Rate Data API

Finance & Payments

Access real-time tax rate data effortlessly for accurate calculations and compliance.

Free 7-Day Trial

100% uptime 90ms avg MCP ready

Tax Rate Information Lookup API

Finance & Payments

Lookup and verify tax rate information quickly to simplify financial processes.

Free 7-Day Trial

100% uptime 91ms avg MCP ready

Inflation Rates Retrieval API

Market Data & Trading

Seamlessly retrieve inflation rate data to stay updated and enhance your economic insights with ease.

Free 7-Day Trial

100% uptime 183ms avg MCP ready

State Tax Rates API

Finance & Payments

"Access accurate tax rates across the US with the State Tax Rates API, simplifying tax-related processes and decision-making."

Free 7-Day Trial

100% uptime 113ms avg MCP ready

Global VAT GST Rates and Calculator API

Finance & Payments

Returns VAT and GST rates for 166 countries with single-item, batch, and multi-line invoice calculators. Covers EU OSS digital goods rules, registration thresholds, historical rate changes, rate comparison, reverse rate search, and locale formatting. The only VAT API with first-class Africa coverage — 46 countries.

Free 7-Day Trial