add_action( 'http_api_curl', 'force_ipv4', 10, 5 ); function force_ipv4( $handle, $r, $url ) { curl_setopt( $handle, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4 ); } Use code with caution.
Use the Health Check & Troubleshooting plugin. Enter "Troubleshooting Mode," which disables all plugins for your user session only. If the error disappears, reactivate your plugins one by one to find the offender. 6. Address IPv6 Issues If the error disappears, reactivate your plugins one
max_execution_time = 300 memory_limit = 256M post_max_size = 64M upload_max_filesize = 64M Use code with caution. In 90% of cases, is a server-side configuration
In 90% of cases, is a server-side configuration issue rather than a problem with your website's code. If the steps above don't work, your web host's support team should be your next stop—they can check if their IP address has been blacklisted or if there is a routing issue at the data center level. If you are a developer
You can force cURL to use IPv4. If you are a developer, you can use this snippet in your functions.php :
Check your "Site Health" in WordPress. If your PHP version is below 7.4 or your cURL version is outdated, reach out to your host to upgrade to the latest stable versions. 4. Resolve DNS Issues
The most common culprit is a firewall (like or iptables ) blocking outgoing requests.