Queries the names of all spans in a region or microservice.

Debugging

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 ListSpanNames

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

RegionId String Yes cn-beijing

The region ID of the instance. For example, you can set the parameter to cn-hangzhou for the China (Hangzhou) region and cn-beijing for the China (Beijing) region.

ServiceName String No service 1

The name of the service.

StartTime Long No 1575561600000

The beginning of the time range to query. Specify the time in the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format.

EndTime Long No 1575622455686

The end of the time range to query. Specify the time in the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format.

Response parameters

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

The ID of the request.

SpanNames List "SpanNames": { "SpanName": [ "rpc0", "rpc1.1", "rpc1.1.1"]}

The list of span names.

Examples

Sample requests

http(s)://[Endpoint]/? Action=ListSpanNames
&RegionId=cn-beijing
&<Common request parameters>

Sample success responses

XML format

<SpanNames>
    <SpanName>rpc0</SpanName>
    <SpanName>rpc1.1</SpanName>
    <SpanName>rpc1.1.1</SpanName>
</SpanNames>
<RequestId>79C84C64-9951-477E-96F3-7FA44128C601</RequestId>

JSON format

{
  "SpanNames": {
    "SpanName": [
      "rpc0",
      "rpc1.1",
      "rpc1.1.1"]
      },
  "RequestId": "79C84C64-9951-477E-96F3-7FA44128C601"
}

Error codes

For a list of error codes, visit the API Error Center.