Description: The HTTP header ‘X-RateLimit-Limit’ is a crucial component in managing traffic for web applications and APIs. This header indicates the maximum number of requests a client can make within a specific time period, allowing servers to control the use of their resources and prevent abuse. By setting limits on the number of requests, the goal is to ensure optimal performance and a smooth user experience, avoiding server overload. This mechanism is particularly relevant in environments where multiple users may access the same resources simultaneously. The implementation of ‘X-RateLimit-Limit’ is part of a broader strategy for access control and traffic management, which includes other headers like ‘X-RateLimit-Remaining’ and ‘X-RateLimit-Reset’, providing additional information about the status of request limits. In summary, ‘X-RateLimit-Limit’ is fundamental for the sustainability and efficiency of modern applications, allowing developers to establish clear policies regarding the use of their services and protect their infrastructures from potential attacks or abuse.