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.

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.

Accepts a structured description of a working relationship and returns a jurisdiction-specific misclassification risk score (0-100), risk level, factor-by-factor analysis, and plain-English reasoning across 20 jurisdictions. Also includes remediation guidance, safe-harbor checklists, financial exposure estimation, cross-jurisdiction comparison, and portfolio-level bulk scoring. No database, no runtime scraping — fast and deterministic responses.

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

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.

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.

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.

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

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

Returns VAT and GST standard, reduced, zero, and exempt rates for 166 countries by country code, region, or side-by-side comparison. Reverse-search by rate value to find every country at a specific rate. Covers EU, Africa, APAC, and Americas.

Assess risk effectively using our EU Building Energy Compliance Risk Assessment API, safeguarding your investments against non-compliance.

Gain valuable insights into building energy compliance with our Developer Insight Developer Insight EU Building Energy Compliance API for informed decisions.

Facilitate seamless compliance checks with our EU Building Energy Compliance API for Fund Compliance Teams designed specifically for Fund Compliance Teams.

Protect your financial exposure with our Comprehensive Comprehensive EU Building Energy Compliance API for Financial Exposure ensuring robust compliance across all standards.

Streamline your lending processes with our Lender Focused Lender Focused EU Building Energy Compliance API tailored for energy efficiency standards.

Optimize your acquisition strategies with our Acquisitions Focused Acquisitions Focused EU Building Energy Compliance API, ensuring energy-efficient properties.

Gain confidence with our Lender-Ready Financial Modelling API for seamless hybrid project financing.

Score IR35 and off-payroll working risk for UK engagements, alongside 19 other jurisdictions' classification tests, with factor-by-factor reasoning.

Score misclassification risk (0–100) across 20 jurisdictions from a structured description of a working relationship, with the legal test applied and factor-by-factor reasoning.

Score one working relationship across up to 5 jurisdictions at once, or compare jurisdictions' legal tests and penalty exposure side by side, to find the safest place to engage a role.

Score misclassification risk before placing a worker in any of 20 jurisdictions, with financial exposure estimates and remediation guidance for EOR and payroll teams.

Bulk-score up to 100 existing contractor relationships in one call, with per-worker risk levels and aggregate statistics to flag your highest-risk workers first.

Accurately calculate transfer duty and conveyancing fees to streamline property transactions.

Estimate property costs effortlessly with our comprehensive financial calculator API.

Calculate monthly bond repayments quickly to optimize your home loan planning.