Upstash provides serverless Redis and Kafka with pay-per-request pricing, making it a perfect fit for modern, event-driven applications. Unlike traditional Redis providers that require constant uptime billing, Upstash’s serverless model ensures cost efficiency. It integrates seamlessly with Vercel, Railway, and edge functions, making it an ideal choice for PullSense to handle caching and real-time workloads without worrying about infrastructure management.