Interface domain name description:
- Developers can choose the best access point (lower latency and higher stability) according to their server deployment. In addition, other access points can be used for disaster recovery purposes. When the network link fails, you can consider selecting a backup access point for access.
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2_1. Common domain name (api.weixin.qq.com), use this domain name to access the nearest access point designated by the official;
2_2. Shanghai domain name (sh.api.weixin.qq.com), use this domain name to access the access point in Shanghai;
2_3. Shenzhen domain name (sz.api.weixin.qq.com), use this domain name to access the access point in Shenzhen;
2_4. Hong Kong domain name (hk.api.weixin.qq.com), using this domain name will access the access point in Hong Kong.
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The selection and handling of interface domains can make deployments more flexible!