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It is expected that consumers have control over their policy status with respect to traffic patterns. All responses from the service reply with headers containing contain headers with details about current usage and remaining quota. When spike arrest occurs, headers are supplied containing the spike arrest policy itself. If your request violates one of the policies you will get a response with status code 429 (https://datatracker.ietf.org/doc/html/rfc6585#section-4 ).
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Clients should NOT implement a re-try policy for quota-violations as this only will make things worse. Upon quota violation, clients should wait at least until Rate-Limit-Expiry-Time before trying again.