I am getting presigned URL errors

Reviewed on July 16, 2025

Before you start

To complete the actions presented below, you must have:

• A Scaleway account logged into the console
• Owner status or IAM permissions allowing you to perform actions in the intended Organization

Problem

I am receiving errors when using a presigned URL to access an object.

Cause

• A clock skew of more than 15 minutes between the host and client will trigger a InvalidSignatureException or a RequestTimeTooSkewed error

• The public link of your private object has expired

Possible solutions

• Make sure that there is less than 15 minutes of clock skew between the host and client machines.

• Make sure that the object's public link has not expired.

Going further

• Refer to the documentation on sharing objects for more information on public links.
• If you did not manage to identify the error and solve it by yourself, open a support ticket, and provide as many details as possible, along with the necessary information below:
  • Object Storage Endpoint (e.g. s3.fr-par.scw.cloud)
  • Bucket name
  • Object name (if the request concerns an object)
  • Request type (PUT, GET, etc.)
  • HTTP status code
  • Date and time (timestamp)
  • User-agent (SDK, client, console, etc.)
  • Transaction ID (if possible)
  • Log / trace of the error (if possible)