Guide for Flask developers on implementing API rate limiting (request throttling) with Flask-Limiter to prevent abuse and stabilize services: explains what rate limiting is, why it matters (blocking brute-force attacks, bots, and excess load), how to install and configure Limiter, set per-route or global limits via decorators and custom key functions, return 429s with custom messages, and outlines practical use cases and best practices.
API security is crucial as APIs are vulnerable to cyber attacks, leading to data theft, financial loss, and reputational damage. Combining OAuth for authorization and JWT for authentication creates a secure API, with best practices including using the correct OAuth flow, implementing token validation, and keeping payload data minimal.
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