Why does a payload data URL fail with 400 expired-token?

The url in each ping / s3_payload webhook is a signed cloud-storage URL that expires roughly 10 minutes after it is generated.

The url in each ping / s3_payload webhook is a signed cloud-storage URL that expires roughly 10 minutes after it is generated. A 400 / expired-token error means your pipeline queued the URL and fetched it too late.

What to do:

• Fetch the data immediately when the webhook fires.

• Store the data itself, not the URL.

The lifetime is fixed for security reasons and cannot be extended.