Request Structure

Last updated: 2019-09-09 14:59:25

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1. Service Address

The API supports access from either a nearby region (at sqlserver.tencentcloudapi.com) or a specified region (at sqlserver.ap-guangzhou.tencentcloudapi.com for Guangzhou, for example).

It is recommended to use the domain name for accessing the nearest server. When you call an API, this domain name is automatically resolved to a server in the region nearest to the client where the API is initiated. For example, when you initiate an API request in Guangzhou, this domain name is automatically resolved to a Guangzhou server, the result is the same as that of specifying the region in the domain like "sqlserver.ap-guangzhou.tencentcloudapi.com".

Note: For latency-sensitive businesses, it is recommended to specify a domain name with region.

Below lists the currently supported regions:

Access region Domain name
Local access region (recommended) sqlserver.tencentcloudapi.com
South China (Guangzhou) sqlserver.ap-guangzhou.tencentcloudapi.com
East China (Shanghai) sqlserver.ap-shanghai.tencentcloudapi.com
North China (Beijing) sqlserver.ap-beijing.tencentcloudapi.com
Southwest China (Chengdu) sqlserver.ap-chengdu.tencentcloudapi.com
Southwest China (Chongqing) sqlserver.ap-chongqing.tencentcloudapi.com
Southeast Asia (Hong Kong, China) sqlserver.ap-hongkong.tencentcloudapi.com
Southeast Asia (Singapore) sqlserver.ap-singapore.tencentcloudapi.com
Asia Pacific (Bangkok) sqlserver.ap-bangkok.tencentcloudapi.com
Asia Pacific (Mumbai) sqlserver.ap-mumbai.tencentcloudapi.com
Asia Pacific (Seoul) sqlserver.ap-seoul.tencentcloudapi.com
Asia Pacific (Tokyo) sqlserver.ap-tokyo.tencentcloudapi.com
Eastern America (Virginia) sqlserver.na-ashburn.tencentcloudapi.com
Western America (Silicon Valley) sqlserver.na-siliconvalley.tencentcloudapi.com
North America (Toronto) sqlserver.na-toronto.tencentcloudapi.com
Europe (Frankfurt) sqlserver.eu-frankfurt.tencentcloudapi.com
Europe (Moscow) sqlserver.eu-moscow.tencentcloudapi.com

2. Communications Protocol

All the TencentCloud APIs communicate via HTTPS, providing highly secure communications tunnels.

3. Request Method

Supported HTTP request methods:

  • POST (recommended)
  • GET

The Content-Type types supported by POST request:

  • application/json (recommended). The TC3-HMAC-SHA256 signature method must be used.
  • application/x-www-form-urlencoded. The HmacSHA1 or HmacSHA256 signature method must be used.
  • multipart/form-data (only supported by certain APIs). The TC3-HMAC-SHA256 signature method must be used.

The size of a GET request packet is up to 32 KB. The size of a POST request is up to 1 MB when the HmacSHA1 or HmacSHA256 signature method is used, and up to 10 MB when TC3-HMAC-SHA256 is used.

4. Character Encoding

Only UTF-8 encoding is used.