region

Region for the Alibaba Tongyi API endpoint.

Available regions:

• 'china' (default): https://dashscope.aliyuncs.com/compatible-mode/v1
• 'singapore': https://dashscope-intl.aliyuncs.com/compatible-mode/v1
• 'us': https://dashscope-us.aliyuncs.com/compatible-mode/v1