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.

Global Metals Rates API delivers up-to-date and past metal prices like gold, silver, and copper—ideal for financial apps, dashboards, and market analysis.

Access global interest rates and benchmark indices swiftly with the Universal Interest Rates API, facilitating informed decisions in the financial landscape.

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.

Access metal prices anytime with this API—real-time and historical data for gold, silver, copper, and more. Simple setup, detailed responses.

Get accurate live and historical rates for gold, silver, copper, and others. A powerful API built for traders, analysts, and finance professionals.

Historical Metal Market API provides instant and past pricing for precious and industrial metals. Supports integration with apps, tools, and financial software.

The International Interest Rate API provides global interest rate benchmarks and outlooks covering both core dynamics and non-core factors.

The API provides users with up-to-date information on the current risk-free rate, as well as historical data on the rate over a given period of time.

Comprehensive interest rates data from central and non-central banks globally, facilitating precise financial insights and strategic decision-making.

A globally usable mortgage and loan calculator supporting multiple currencies. Covers monthly repayments, full amortisation schedules, affordability reverse-calculation, early repayment savings, side-by-side comparison, total cost of ownership, APR, debt-to-income ratio, stamp duty estimates, refinance break-even, balloon payments, interest-only periods, loan consolidation, and biweekly payment options. Pure maths — no external data sources. Pass any currency code (USD, GBP, EUR, ZAR, AUD, etc.) for localised display.

EPC label, EPBD MEPS compliance, and stranding-risk screening across 8 EU markets — primary energy, solar obligation, renovation cost, and cap-rate discount modelling for lenders and asset managers.

"Transnational Interest Rates API: Seamlessly access global interest rates and financial benchmarks, empowering informed decisions in an interconnected world."

"Global Interest Rates API: Quickly access global interest rates from central banks and benchmark indices to make informed decisions on the financial landscape."

"Euribor Interest Rates API: Swiftly retrieve international interest rates from central banks and benchmark indices for well-informed financial decision-making."

The Current Interest Rates API is a powerful tool that enables developers and financial professionals to access real-time interest rate information from central banks and benchmarks around the world.

Engineering-grade API for rapid solar, battery, diesel hybrid feasibility, financial modelling and lender-ready project screening across African commercial & industrial markets.

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

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

Lender-grade solar+BESS pre-feasibility for African C&I. IRR, DSCR, sensitivity, carbon credits.

"Rate Convert API provides exchange rates for any currency relative to the U.S. dollar, facilitating accurate currency conversions worldwide."

A comprehensive suite of South African financial calculators covering bond and property costs, vehicle finance, PAYE tax, VAT, retirement lump sums, personal loans, and inflation. All monetary values in ZAR. Covers 25 endpoints across bond, vehicle, tax, and personal finance modules. Data sourced from SARS, LPC, Government Gazette, SARB, and Stats SA.

Perform in-depth tax analysis and optimize rates using the Rate Tax Analyzer API for smarter financial planning.

Get average weekly mortgage rates, including 30-year and 15-year fixed loans.

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