Numverify ◆
Numverify is a real-time REST API for global phone number validation and lookup across 232 countries.

Aviationstack (Developer Tools): Aviationstack is a scalable REST API for real-time flight tracking, historical flight data, airport info, and global aviation data. Pricing: from from $49.99/mo. (data verified July 2026)
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Aviationstack is a real-time flight tracking API that provides access to global aviation data, including live flight status, historical flights, airline routes, airport details, aircraft information, and more. It helps developers and businesses integrate flight tracking capabilities into their applications without building complex infrastructure from scratch.
Aviationstack is designed for developers, travel platforms, logistics companies, and aviation enthusiasts who need reliable flight data for booking platforms, flight visualization dashboards, monitoring tools, or popular flight tracking apps. It is not intended for casual users looking for a single flight lookup—it's a backend API for programmatic access.
The API offers live flight tracking (position, speed, altitude), historical flight data, airport and airline lookups, autocomplete, and flight schedules. Typical use cases include building travel booking sites, tracking cargo flights, creating airport status displays, or powering real-time flight maps. With cloud-based auto-scaling, it can handle from thousands to millions of requests per minute.
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