APIs that just work.
Fast, reliable, deterministic utility APIs. Each one documented, monitored, and ready to ship.
Built to be trusted
No data stored
Inputs are processed in memory and never saved.
Deterministic
Same input, same output — fully testable, no surprises.
Always monitored
A live status page health-checks every endpoint.
Our APIs
Every API has its own page with endpoints, pricing and live status.
AddressFormat live
Format postal addresses into perfectly formatted, country-conformant labels for 36 countries.
EU VAT Rates beta
Current EU VAT rates, intra-EU reverse-charge logic and gross/net calculation for all 27 member states.
Carbon Footprint beta
Estimate CO2e emissions from energy, fuel, transport and travel using published emission factors.
Business Days & Holidays beta
Public holidays, working-day checks and business-day date math for 25 countries.
Email Validator beta
Validate email syntax, catch disposable and role addresses, and suggest typo fixes - offline and instant.
Phone Number Validator beta
Parse, validate and format phone numbers to E.164 - fully offline, no per-lookup fees.
Text Moderation beta
Profanity filtering, sentiment scoring and language hints in one offline call.
Password Strength beta
Score password strength, estimate crack time and generate strong passwords - offline.