This topic describes the billing rules for the database proxy of an ApsaraDB RDS for PostgreSQL instance.


  • Database proxy instances, read-only RDS instances, and primary RDS instances are separately billed.
  • If the primary RDS instance is locked, the enabled proxy instances are not released but can process only read requests.
  • If the primary RDS instance is released, the enabled proxy instances are automatically released. You are no longer charged for the database proxy feature.
  • The database proxy feature of ApsaraDB RDS for PostgreSQL is rolled out in phases. The feature is available in the following regions and zones:
    Region Zone
    China (Hangzhou) Hangzhou Zone G, Hangzhou Zone H, Hangzhou Zone I, and Hangzhou Zone J
    China (Shanghai) Shanghai Zone B, Shanghai Zone E, Shanghai Zone F, Shanghai Zone G, and Shanghai Zone I
    China (Beijing) Beijing Zone F, Beijing Zone G, Beijing Zone H, and Beijing Zone I
    China (Zhangjiakou) Zhangjiakou Zone A, Zhangjiakou Zone B, and Zhangjiakou Zone C
    China (Shenzhen) Shenzhen Zone D, Shenzhen Zone E, and Shenzhen Zone F
    China (Hong Kong) Hong Kong Zone B
    Singapore (Singapore) Singapore Zone A, Singapore Zone B, and Singapore Zone C
    Malaysia (Kuala Lumpur) Kuala Lumpur Zone A and Kuala Lumpur Zone B
    Indonesia (Jakarta) Jakarta Zone A, Jakarta Zone B, and Jakarta Zone C
    Germany (Frankfurt) Frankfurt Zone A
    US (Virginia) Virginia Zone B


Database proxy instances support only the pay-as-you-go billing method. The following table describes the prices of proxy instances in different Alibaba Cloud regions.
Region Price (USD per proxy-hour)
UAE (Dubai) 0.377
Australia (Sydney) 0.273
Germany (Frankfurt) 0.243
China (Zhangjiakou) and China (Ulanqab) 0.120
Malaysia (Kuala Lumpur) 0.253
US (Virginia) 0.237
US (Silicon Valley) 0.284
Japan (Tokyo) 0.288
Singapore (Singapore) and Indonesia (Jakarta) 0.271
India (Mumbai) 0.231
UK (London) 0.280
China (Hong Kong) 0.297
Other regions 0.173