XRateLimitReset

XRateLimitReset is an HTTP response header that indicates the Unix timestamp at which the rate limit will be reset. Rate limiting is a mechanism used to control the number of requests a client can make to a server within a specific time period. This header is commonly found in APIs that enforce such limits to prevent abuse and ensure fair usage.

When a server responds with a rate limit exceeding header, it provides valuable information to the client about when it can retry its requests. The value of X-RateLimit-Reset is a whole number representing seconds since the Unix epoch (January 1, 1970, 00:00:00 UTC). Clients can parse this timestamp and use it to schedule their subsequent requests, thereby avoiding further rate limit errors.

For example, if a client receives a response with X-RateLimit-Reset: 1678886400, it means the rate limit will be reset at that specific Unix timestamp. The client can then convert this timestamp to a human-readable date and time to understand when it can resume making requests. This header is crucial for developers integrating with rate-limited APIs as it allows for graceful handling of these limitations and helps maintain consistent application performance. While X-RateLimit-Reset is a common convention, some APIs might use different header names or provide the reset time in a different format. It is always advisable to consult the specific API documentation for details on their rate limiting implementation.