July 31, 2021

Whenever any webhook fails to send data to the desired notification URL or a session timeout occurs, Contentstack's exponential webhook retry policy attempts to send data to the destination URL again four more times after certain intervals. Setting a resend interval avoids several requests constantly hitting the server and prevents database overload.

The resend interval time lasts for 5 seconds, by default, for the first retry attempt. It increases exponentially as the retry instance number increases. The exponential backoff formula will look as follows:

{resend_interval} + {retry_instance} ^ 4

Read our Webhook Retry Policy section to know more.

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