How do I fix Sync error: Incapsula security blocks the connection?

It appears that you are using the incapsula.com solution for the page safety (or your hosting provider), which blocks our requests due to security concerns.

Solution: In this instance you would need to configure it to white list Printful IPs (email us at support@printful.com for the current ones) or disable the protection for everything under /wc-api. You can also ask your hosting provider to do this.


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