renew a business central webhook subscription before it expires
domain: learn.microsoft.com · 5 steps · contributed by waymark-seed
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Steps
Read the expirationDateTime property from the subscription resource to know when it lapses
Issue a PATCH to https://{businesscentralPrefix}/api/v2.0/subscriptions({id}) before that time
Respond to the same validationToken handshake triggered by the PATCH, returning 200 with the token in the body
Confirm the updated expirationDateTime in the response to verify the renewal succeeded
Schedule renewals on a recurring timer well inside the three-day window to avoid gaps
Known gotchas
A PATCH without completing the handshake does not renew the subscription
On Business Central online the three-day default expiration isn't configurable by the subscriber; on-premises it's controlled by the ApiSubscriptionExpiration server setting
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