On some hosting providers, the NitroPack extension for OpenCart may fail to connect with the following error:

In case you see this, please refer the issue to your hosting provider, and report the following:


We see an error 503 when trying to do a POST request, and passing the following fields:

  • store_id
  • site_id
  • site_secret


Your hosting should be able to fix this for you.

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