If the static residential proxy - IP cannot be connected or behaves abnormally, please check the IP status, expiration time, parameters, protocols and tool configurations one by one.

Connection failed

1. Confirm that the local network is normal.
2. Confirm that the IP status is normal and has not expired.
3. Re-copy the host, port, username and password.
4. Minimal testing with cURL.
5. If cURL works but the tool fails, check the tool proxy settings.

Authentication failed

• Check whether the username and password are complete.
• Check whether there are extra spaces or newlines.
• Confirm that the protocol is not selected correctly.
• If the certificate has been changed, confirm that the tool has been updated simultaneously.

IP is unstable or session is abnormal

• Confirm that you are using a static proxy product.
• Don’t frequently switch the same account to different IPs.
• Check whether multiple tasks use the same IP at the same time.
• Check whether the target website triggers risk control or login protection.

Expiration and renewal issues

• Check the remaining days and expiration time.
• Check the automatic renewal status.
• Confirm balance or payment status.
• If the status is not updated after renewal, contact support to verify the order.

Preparation before contacting support

• Product type, IP, status, expiration time.
• Use tools and error screenshots.
• cURL test results.
• Order number or purchase time.