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Last updated Dec 1, 2025

Async events limits

Understand the boundaries for asynchronous processing, including event frequency, payload size, and invocation depth.

The limits listed below apply to the Async events API for each installation of your app.

ResourceLimitDescription
Event per request50Maximum number of events pushed in a single request.
Event per minute500Maximum number of events pushed in one minute.
Payload size200 KBMaximum combined payload size of events in single request.
Retry data size4 KB

Maximum size of retryData.

This will be enforced from Nov 13, 2025. See CHANGE-2508 for more details.

Payload size for long running functions100 KB

Maximum size of an individual event.

This limit only applies to functions specifying a timeout greater than 55 seconds.

Retry data size for long running functions4 KB

Maximum size of retryData.

This limit only applies to functions specifying a timeout greater than 55 seconds.

Cyclic invocation limit1000An event resolver can push more events to the queue thus creating a cycle. This limit applies to the maximum cyclic depth up to which events resolver can push more events to the queue.

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