Change event limits

In addition to using Chronosphere Observability Platform, you can use the CreateEvent API to create change events. This API can ingest 300 change events per minute, per block in a single tenant. The total request size must be less than 1 MB.

Change event fields

The CreateEvent API accepts the following fields with the stated limits:

Field	Description	Required	Validation	Configurable	Failure
`title`	Brief description of the change event.	Yes	Maximum of 100 characters.	No	Error
`source`	Identifies where the data originated.	Yes	Maximum of 50 characters.	No	Error
`category`	Informs Observability Platform about the kind of change event.	Yes	Must be one of: `"alerts"` `"broadcasts"` `"chronosphere"` `"deploys"` `"feature_flags"` `"infrastructure"` `"third_party"`	Yes	Error
`happened_at`	Indicates when the change event occurred, which defaults to `now` if unset.	No	Must be a Unix epoch timestamp. Can be set only to 24 hours before or after the current time.	Yes, with a restart	Error
`type`	Differentiates change events within a particular `category` or `source`.	Yes	Maximum of 50 characters.	No	Error
`labels`	Key values associated with a change event.	No	Maximum of 200 labels (key-value pairs) per event. - Keys: Maximum of 500 characters. - Values: Maximum of 5,000 characters.	No	Error
`payload_json`	Payload associated with a change event.	No	Maximum of 100,000 characters.	No	-
`payload_object`	Payload associated with a change event, if the original event was in key-value format.	No	Maximum of 100,000 characters.	No	-

Observability Platform

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Change event fields

​Change event fields

Change event fields