Why API Rate Limits Should Be Signed
from The Developer Tools Podcast with Fexingo: APIs, Infrastructure, and Software for Engineers Hosted by Fexingo
Rate limiting is everywhere in APIs, but most developers treat the headers as advisory. In this episode, Lucas and Luna dig into the case for cryptographic signing of rate-limit metadata — why it matters for distributed systems, how it prevents subtle thundering-herd failures, and what it means for clients that need to make smart backoff decisions. They walk through real-world examples from major platforms, explain the difference between signed and unsigned rate-limit headers, and discuss the trade-offs in implementation complexity. If you've ever hit a 429 and wondered why your retry logic didn't help, this episode gives you a concrete mental model and a practical takeaway you can apply to your own API design. #RateLimiting #APISecurity #APIDesign #BackendEngineering #DeveloperTools #HTTPHeaders #429TooManyRequests #ThunderingHerd #ClientRetryLogic #CryptographicSigning #TechPodcast #BusinessAndTechnology #SoftwareEngineering #Infrastructure #APIObservability #FexingoBusiness #BusinessPodcast #EngineeringLeadership Keep every episode free: buymeacoffee.com/fexingo
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