> Many APIs store page tokens in a database internally. In this situation, APIs may expire page tokens a reasonable time after they have been sent, in order not to needlessly store large amounts of data that is unlikely to be used. It is not necessary to document this behavior.
> Many APIs store page tokens in a database internally. In this situation, APIs may expire page tokens a reasonable time after they have been sent, in order not to needlessly store large amounts of data that is unlikely to be used. It is not necessary to document this behavior.