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PolarDB:DescribeApplicationUsage

Last Updated:Jul 28, 2026

Queries the usage of an AI application.

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RAM authorization

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Request syntax

GET  HTTP/1.1

Request parameters

Parameter

Type

Required

Description

Example

ApplicationId

string

Yes

The Hermes application ID.

pa-123456

Days

integer

No

The number of recent days to query. Valid values: 1 to 365. Default value: 30.

30

Response elements

Element

Type

Description

Example

object

Schema of Response

RequestId

string

The request ID.

F45FFACC-1234-5678-90AB-1234567890AB

Message

string

The response message.

successful

Code

integer

The response status code.

200

ApplicationId

string

The Hermes application ID.

pa-123456

Days

integer

The number of days covered by this statistical period.

30

Summary

object

The aggregated usage within the query period.

Sessions

integer

The number of sessions.

120

APICalls

integer

The number of model API calls.

480

InputTokens

integer

The number of input tokens.

120000

OutputTokens

integer

The number of output tokens.

36000

CacheReadTokens

integer

The number of tokens served from cache hits.

18000

ReasoningTokens

integer

The number of reasoning tokens.

6000

DailyUsage

array<object>

The usage statistics grouped by UTC date.

object

The usage for a single day.

Date

string

The UTC date.

2026-07-24

Sessions

integer

The number of sessions for the day.

12

APICalls

integer

The number of model API calls for the day.

48

InputTokens

integer

The number of input tokens for the day.

12000

OutputTokens

integer

The number of output tokens for the day.

3600

CacheReadTokens

integer

The number of tokens served from cache hits for the day.

1800

ReasoningTokens

integer

The number of reasoning tokens for the day.

600

ModelUsage

array<object>

The usage statistics grouped by model.

object

The usage for a single model.

Model

string

The model identifier.

qwen3-max

Provider

string

The model provider.

bailian

Sessions

integer

The number of sessions that used this model.

80

APICalls

integer

The number of API calls for this model.

320

InputTokens

integer

The number of input tokens consumed by this model.

80000

OutputTokens

integer

The number of output tokens generated by this model.

24000

CacheReadTokens

integer

The number of tokens served from cache hits for this model.

12000

ReasoningTokens

integer

The number of reasoning tokens generated by this model.

4000

SkillUsage

object

The aggregated statistics of skill activities.

TotalLoads

integer

The number of times skills were loaded or viewed.

50

TotalEdits

integer

The number of times skills were edited or managed.

10

TotalActions

integer

The total number of skill-related operations.

60

DistinctSkills

integer

The number of distinct skills that have activity records.

8

SessionSummary

object

The current session runtime and storage statistics.

ActiveSessions

integer

The number of currently active sessions.

5

StoredSessions

integer

The total number of sessions in session storage.

120

Examples

Success response

JSON format

{
  "RequestId": "F45FFACC-1234-5678-90AB-1234567890AB",
  "Message": "successful",
  "Code": 200,
  "ApplicationId": "pa-123456",
  "Days": 30,
  "Summary": {
    "Sessions": 120,
    "APICalls": 480,
    "InputTokens": 120000,
    "OutputTokens": 36000,
    "CacheReadTokens": 18000,
    "ReasoningTokens": 6000
  },
  "DailyUsage": [
    {
      "Date": "2026-07-24",
      "Sessions": 12,
      "APICalls": 48,
      "InputTokens": 12000,
      "OutputTokens": 3600,
      "CacheReadTokens": 1800,
      "ReasoningTokens": 600
    }
  ],
  "ModelUsage": [
    {
      "Model": "qwen3-max",
      "Provider": "bailian",
      "Sessions": 80,
      "APICalls": 320,
      "InputTokens": 80000,
      "OutputTokens": 24000,
      "CacheReadTokens": 12000,
      "ReasoningTokens": 4000
    }
  ],
  "SkillUsage": {
    "TotalLoads": 50,
    "TotalEdits": 10,
    "TotalActions": 60,
    "DistinctSkills": 8
  },
  "SessionSummary": {
    "ActiveSessions": 5,
    "StoredSessions": 120
  }
}

Error codes

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.