This thread is resolved. Here is a description of the problem and solution.
Problem:
If you're trying to link your ChatGPT API key to WPML for handling translations instead of purchasing credits.
Solution:
We currently do not support the functionality to use API keys from DeepL, Google, Microsoft, or ChatGPT for automatic translations. For more details, please visit Why can't I use my own DeepL, Google, or Microsoft API key for automatic translation?
If this solution does not apply to your case, or if it seems outdated, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have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. Should you need further assistance, please do not hesitate to open a new support ticket at WPML support forum.
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This topic is split from https://wpml.org/forums/topic/translation-88/