REST API and Loopback error

The REST API request failed due to an error. Loopback requests are used to run scheduled events, and are also used by the built-in editors for themes and plugins to verify code stability. The loopback request to your site failed, this means features relying on them are not currently working as expected.

1. How do I fix REST API encountered an error?
2. How do I fix REST API in WordPress?
3. What are Loopback requests?
4. What does the error 28 in WordPress indicate?

How do I fix REST API encountered an error?

The first thing to do is to update your WordPress to the latest version if not already done. Then if the problem is still there check your PHP version and try to increase your Server Memory Limits settings.

How do I fix REST API in WordPress?

If you received an error, it means the WordPress Rest API is disabled. You can enable it by activating your permalinks in WordPress. Visit Settings ➜ Permalinks within WordPress and without making any changes click Save changes. This causes WordPress to flush its rewrite rules, and can often resolve issues like this.

What are Loopback requests?

What is a Loopback request? A loopback request is simply a request that WordPress is trying to make to itself. Loopback requests are used to run scheduled events (wp-cron. php). Loopback requests need to function correctly in order to ensure your website remains stable.

What does the error 28 in WordPress indicate?

The cURL error 28 literally means that your site tried to perform a request using the cURL library but the specified timeout period was reached before getting a successful result for the request.