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This thread is resolved. Here is a description of the problem and solution.

Problem:
You have installed WPML, and when adding/registering a new key from the admin dashboard, the site fails to connect.
Solution:
We recommend that you first provide a screenshot of the issue to help us better understand the problem. Meanwhile, please contact your hosting provider and request them to whitelist the following domains to ensure that your server is not blocking our API:

  • wpml.org
  • cdn.wpml.org
  • api.wpml.org
  • api.toolset.com
  • cloudfront.net

This step is crucial for ensuring proper communication between your site and WPML services.

If this solution does not resolve your issue or seems irrelevant due to being outdated or not applicable to your case, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If you still need assistance, please open a new support ticket at WPML support forum.

This is the technical support forum for WPML - the multilingual WordPress plugin.

Everyone can read, but only WPML clients can post here. WPML team is replying on the forum 6 days per week, 22 hours per day.

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This topic contains 2 replies, has 1 voice.

Last updated by Andrey 1 month, 1 week ago.

Assisted by: Andrey.

Author Posts
April 2, 2026 at 9:40 pm #17946995

christieK

we have installed wpml, and when adding/registering a new key from the admin dashboard, the site fails to connect?

April 2, 2026 at 9:54 pm #17947056

christieK

please advise as available

April 6, 2026 at 3:34 pm #17951990

Andrey
WPML Supporter since 06/2013

Languages: English (English ) Russian (Русский )

Timezone: Europe/Kyiv (GMT+03:00)

Thank you for contacting WPML support.

Could you please provide a screenshot showing the issue? Also, which site are you trying to register?

In the meantime, please check with your hosting provider and ask them to whitelist the following domains to ensure that your server is not blocking our API:
• wpml.org
• cdn.wpml.org
• api.wpml.org
• api.toolset.com
• cloudfront.net

This will help ensure proper communication between your site and WPML services.