Rate Limit Headers

Rate Limit expresses a service level agreement in the form of a permissible number of API requests that can be made within a given time interval.

HeaderDescription
RateLimit-PolicyConveys the quota policies that apply to the client. For example, RateLimit-Policy: 10;w=1, 50;w=60 conveys two service limits within a single policy indicating that 10 requests can be made per second but only 50 requests in a 1 minute window.
RateLimit-LimitThe maximum number of requests that the client is allowed to make in this window.
RateLimit-RemainingThe number of requests allowed in the current window.
RateLimit-ResetThe relative time in seconds when the rate limit window will be reset.

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Since there is more than one service limit the trio of headers must be set to the service limit that is closest to reaching its limit.