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.

The Flight Planner API grants effortless access to future flight schedules, supplying vital information like aircraft specifics, departure times, airline details, and flight numbers.

Look up public holidays for 55 countries, calculate business day deadlines, find the next business day, export holidays to iCal, and more — all backed by versioned JSON data with no external dependencies at runtime. Covers 55 countries across Africa, Americas, Asia, Europe and Oceania for years 2024 to 2027.

Official South Korea public holidays 2024-2027. Includes substitute holidays. Source: Korean government data via data.go.kr

Recent polls of the 2024 presidential election! Thousands of polls! Updated daily prior to the election. Choose between last 90, 30, and 7 days.

The Flight Prediction API provides effortless access to future flight schedules, offering vital information including aircraft details, departure times, airline specifics, and flight numbers.

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

Organizes up-to-date statistics from Transfermarkt, providing contracts, ages, rumors, and economic values of professional players for 2025–2026.

Provides comprehensive information on professional players: current contracts, potential transfers, estimated values, and up-to-date statistics from the international soccer market.

Compiles up-to-date data on soccer players for 2025–2026, including market values, transfer rumors, age, position, and contract expiration.

EU-Compliance: Digital Product Passport (DPP) Immutable QR Engine. Guaranteed 10-year URL persistence for Textile and Battery ESPR mandates (March 2026). High-error-correction QR generation optimized for industrial label printing. Frankfurt (EU-Central) data residency.

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 detailed information on all public holidays in Korea, ensuring you're always informed and prepared.

Get real-time updates on Korea's public holidays to plan your schedule effortlessly!

Stay organized with a comprehensive calendar of Korea's public holidays for personal or business use.

Validate transaction dates against Korea's public holidays, ensuring compliance and smooth fintech operations.

Quickly look up any public holiday in Korea and never miss an important date again!

Streamline healthcare appointment scheduling by automatically considering Korea's public holidays for optimal patient management.

Gain insights into Korea's public holidays and events for better planning and cultural understanding.

Explore diverse public festivities throughout Korea to enrich your experience and community engagements.

Discover all national holidays in Korea with ease, enhancing your planning and event organization.

The Future Flights API provides easy access to upcoming flight schedules, offering crucial details like aircraft information, departure times, airline data, and flight numbers. Effortlessly retrieve this information for flights scheduled within the next week, facilitating efficient travel planning and tracking.

Turn turbulence into tranquility with our Flight Delays API. Uncover the power to predict and manage flight disruptions with real-time data. From weather woes to air traffic tangles, stay one step ahead and keep your journey smooth. Elevate your travel experience, one delay at a time!

Ensure timely project deliveries with the SLA Deadline Calculator, using global holidays for precise deadline calculations.

Calculate business days accurately while accessing global holiday data to optimize your workflows.