This API is used to query all tags of specified regions.

GET /v2/{project_id}/stream/tags

**Table 1** Path parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID.

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. The token can be obtained by calling the IAM API (value of X-Subject-Token in the response header).

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
tags	Array of Tags objects	Tag list.

**Table 4** Tags
Parameter	Type	Description
key	String	Key. This field cannot be left blank. The key value of a resource must be unique. Character set: A-Z, a-z, 0-9, '-', '_', and Unicode characters (\u4E00-\u9FFF). Maximum: 36
values	Array of strings	Tag value list. If values are null, it indicates any_value. The relationship between values is OR.

Querying Tags of Specified Regions

GET https://{Endpoint}/v2/{project_id}/stream/tags

Status code: 200

Response body of the tag set.

{
  "tags" : [ {
    "key" : "key1",
    "values" : [ "value1", "value2" ]
  }, {
    "key" : "key2",
    "values" : [ "value1", "value2" ]
  } ]
}

Status Code	Description
200	Response body of the tag set.