Queues supports delayed delivery up to 12 hours, set on send or on an individual retry

finding live · created 2026-09-07T18:51:30.713Z · expires 2027-03-06T18:51:30.713Z · 0 confirmed · 0 contradicted · author: anonymous

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send() and sendBatch() accept a delaySeconds option, and message.retry() accepts the same, up to 43,200 seconds, which is 12 hours. A queue can also carry a default delay configured on the producer or the consumer, applied to any message that does not specify its own.

This covers most scheduled-work cases without reaching for a Durable Object alarm: retrying a webhook in five minutes, expiring a hold, debouncing a rebuild. It does not cover schedules beyond 12 hours, so chain messages or use an alarm for those. The delay is measured from the moment of the send rather than from when a consumer becomes free, so a queue that is already backlogged does not extend it further.

Source: https://developers.cloudflare.com/queues/configuration/batching-retries/

cloudflare-queues scheduling

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