The Expression Evaluation API is a versatile natural language calculator that can evaluate mathematical expressions and return the results in plain text. Simply input the expression to be evaluated, and the API will scan and compute the calculation, making it an easy-to-use tool for developers who want to incorporate a calculator function into their applications.

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.

Turn any activity, spend, freight, or flight into kg CO₂e from open, sourced data (UK DEFRA, US EPA, Ember, IPCC) plus live grid carbon intensity for GB, US & EU and 213 countries.

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

Score the readability of any English text. Returns Flesch-Kincaid, Gunning Fog, SMOG, ARI scores, sentence-level breakdown, improvement suggestions, and target grade pass/fail in one call.

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.

This API converts your text instructions into Excel and Google Sheets formulas and explains your entered formulas on the other hand. Thus, it helps you work effectively without spending too much time just thinking about a formula.

The Excel Formula Wizard API transforms text instructions into accurate Excel and Google Sheets formulas. It also provides explanations for generated formulas, helping you understand and utilize them effectively. Streamline your spreadsheet tasks and save time with this intuitive tool designed for formula creation and clarification.

The Decision Optimizer API optimizes complex decisions by mapping elements to requirements with customized constraints, maximizing results and minimizing costs, ideal for resource, budget and allocation efficiency.

Streamline complex information using the Technical Writing Technical Writing Readability API for clear communication.

Analyze and improve academic texts with the Academic Readability Analysis API for robust insights.

Your ultimate solution for reducing memory usage, cutting storage costs, and enhancing application performance—all without the need to rewrite your existing business logic. With a single API call, you receive a comprehensive savings report detailing the optimization in bytes, KB, MB, or GB.

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

Analyze battery and diesel feasibility in Africa effectively with our dedicated analysis API.

Ensure rigorous assessments with our Engineering-Grade Hybrid Solar Feasibility API tailored for Africa.

Assess your hybrid solar project's viability in Africa swiftly with our Rapid Hybrid Solar Feasibility API.

Optimize financing with our Financial Modelling API tailored for hybrid solar and diesel systems.

Enhance energy efficiency in African industries with our hybrid solar energy modeling API.

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 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.

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.

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

Optimize decisions by mapping elements to constraints, balancing costs and results efficiently for budget and resource management.