Hello,
Thank you for contacting Rank Math and sorry for any inconvenience that might have been caused due to that.
To check, have you entered your verification ID in Rank Math > General Settings > Webmaster Tools > Bing Webmaster Tools.
I hope this resolves your issue.
Hello,
Can you please confirm if you have verified the website on Bing already?
https://rankmath.com/blog/bing-indexing-api/#verify-on-bing
If not, please do so, only then with you be able to submit the URLs to Bing from your website using Rank Math.
Hope that helps and please do not hesitate to let us know if you need our assistance with anything else.
Hi,
Yes, I verified via Google Search Console.
What is the next suggestion?
Thank you,
cj.
Hello,
Can you please confirm:
1. If your website is verified on Bing Webmaster Tools?
2. You used the same account to create the API that you have used to verify the website?
Finally, please check if you can manually submit the URLs for submission here:

Do let us know how it goes.
1. Yes, I verified via Google Search Console.
2. The API was created upon verification.
And yes, I have/am able to submit URLs manually.
What next?
Thank you,
cj.
Hello,
Thanks for for the follow up.
Please make sure that you have not exceeded your URL quota on Bing. You can verify that by going to your Bing Webmaster Tools and select the option “URL Submission” on the left menu and check the quota left for the day.
Hope this helps solve your issue. If you require any further assistance don’t hesitate to get in touch.