Aviationstack ◆
Aviationstack is a scalable REST API for real-time flight tracking, historical flight data, airport info, and global aviation data.

KeyCDN (Developer Tools): KeyCDN is a high-performance CDN with pay-as-you-go pricing from $0.04/GB, offering global delivery, instant purge, and image optimization. Pricing: from $0.04/GB. (data verified August 2026)
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KeyCDN is a high-performance content delivery network (CDN) that speeds up the delivery of websites, APIs, and media content to users worldwide. It solves the problem of slow load times by caching and serving content from edge servers located across six continents, using IP anycast and latency-based routing.
KeyCDN is ideal for developers, SaaS companies, and content-heavy websites that need reliable, low-latency content delivery without complex setup. It's also great for e-commerce stores, media platforms, and any business that wants to optimize images and improve user experience. It's not for enterprises needing advanced edge computing or complex traffic management, but it's perfect for those who want simplicity and performance.
Typical use cases include: speeding up a global website or app, serving video or images with real-time transformations (resize, compress, format conversion), caching API responses, and protecting content with secure tokens and DDoS protection. KeyCDN integrates with major CMS platforms and frameworks, and its RESTful API enables automated zone management and instant purging.
With a minimum charge of $4 per month and no upload fees, KeyCDN offers a cost-effective entry point for startups and growing businesses. All plans include unlimited HTTP/HTTPS requests, free TLS certificates, and 24/7 support.
Editorial score from our review methodology — not user ratings.
KeyCDN pricing: from $0.04/GB.
No fixed monthly fee. Bandwidth is billed per GB with volume discounts: $0.04/GB for first 10 TB in North America/Europe, dropping to $0.01/GB over 100 TB. Other regions have different rates. Minimum usage is $4/month, and no request charges apply.
Additional zones: first 3 free, then $1/zone/month. Push zone storage: $0.12/GB for first 500 GB, then lower. Image processing: $0.40 per 1,000 operations. Log forwarding: $1/day.
Free trial: Get started with no credit card required. All features are available on every account.
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