Queries tag keys.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes GetTagKey

The operation that you want to perform. Set the value to GetTagKey.

RegionId String Yes cn-beijing

The ID of the region.

ServiceName String No appTest

The name of the application.

SpanName String No createOrder

The name of the span.

StartTime Long No 1575561600000

The beginning of the time range to query. Unit: milliseconds.

EndTime Long No 1575622455686

The end of the time range to query. Unit: milliseconds.

Response parameters

Parameter Type Example Description
RequestId String 1E2B6A4C-6B83-4062-8B6F-AEEC1FC47DED

The ID of the request.

TagKeys Array of String {"TagKey":["date","resultCount","aTid"]}

The list of tag keys.


Sample requests

&<Common request parameters>

Sample success responses

XML format

HTTP/1.1 200 OK


JSON format

HTTP/1.1 200 OK

  "TagKeys" : {
    "TagKey" : [ "date", "resultCount", "aTid" ]
  "RequestId" : "7D6519C1-A92A-4F07-AC83-706D48204242"

Error codes

For a list of error codes, see Service error codes.