Headless CMS Support to use REST API

Hello,

I’m sorry to hear that you are facing difficulties enabling Headless CMS Support in Rank Math. It seems like you are encountering a 404 error page when trying to save the settings. This issue might occur due to incorrect configuration or settings.

To enable Headless CMS Support in Rank Math correctly, please follow these steps:

1. Navigate to Rank Math SEO → General Settings → Others inside your WordPress admin area.
2. Enable the Headless CMS Support option as shown in the screenshot below:

3. After enabling the option, make sure to click the Save Changes button at the bottom of the screen to save the changes.

If you are still facing issues after following these steps, please ensure that you are using the correct URL format when enabling the Headless CMS Support. The URL parameter should include the full URL, not just a slug.

If the problem persists, please reply to this ticket, and a human agent from our support team will assist you further.

Thank you for reaching out.

Best regards.

Sources:
How to Enable Headless CMS Support in Rank Math? » Rank Math
How to Enable Headless CMS Support in Rank Math? » Rank Math
How to Enable Headless CMS Support in Rank Math? » Rank Math
How to Enable Headless CMS Support in Rank Math? » Rank Math
Rank Math General Settings

Hello,

Thank you for contacting us and sorry for any inconvenience that might have been caused due to that.

Please get in touch with your web host and ensure that the ModSecurity is disabled or they are not blocking any process of the plugin.

You can also follow this troubleshooting guide to see if that helps to resolve the issue: https://rankmath.com/kb/settings-not-saved/

Let us know how it goes. Looking forward to helping you.

Thank you.