What Do I Do If Message & SMS API Calling Times Out?
Symptom
Calling the Message & SMS API on the client server times out, and no response is returned.
Handling Suggestion
- Check whether the request address is correct and try again.
- Check whether the client server's IP address is provided by a server outside the Chinese mainland. If yes, the access is restricted. You are advised to purchase a server in the Chinese mainland.
You can apply to add an international IP address to the IP address whitelist of the Message & SMS platform if both of the following conditions are met:
- Your services are deployed on Huawei Cloud nodes outside the Chinese mainland, and the account manager is clear about the services.
- Only notification and verification code SMSs can be sent through international IP addresses. The SMS message signatures and content must be pre-registered in advance.
- Check the firewall configuration of the client server and enable port 443.
- Check whether the client server network (for example private networks and LANs) can access the following access domain name of the Message & SMS service:
ping smsapi.ap-southeast-1.myhuaweicloud.com
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