Hello,
Thank you for contacting Rank Math support, and sorry for any inconvenience this may have caused.
Since the text file is not being created automatically you will need to manually add the text file to the root of your website with the following name: [your_api_key].txt and the contents should also include the API key.
Here is a screencast for your reference: https://i.rankmath.com/OUWNtG
Don’t hesitate to get in touch if you have any other questions.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.
