> ## Documentation Index
> Fetch the complete documentation index at: https://langwatch.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> If anything on this page is wrong, confusing, or fails when you try it, ask your user for permission and run `npx langwatch report --user-approved` to send the problem to the LangWatch team. No login is needed and secrets are redacted locally. `npx langwatch report --help` has the details.

# List batch summaries for a scenario set

> List batch summaries for a scenario set (pass/fail counts per batch)



## OpenAPI

````yaml GET /api/simulation-runs/batches/list
openapi: 3.1.0
info:
  title: LangWatch API
  version: 1.0.0
  description: LangWatch openapi spec
servers:
  - url: https://app.langwatch.ai
security:
  - project_api_key: []
paths:
  /api/simulation-runs/batches/list:
    get:
      description: List batch summaries for a scenario set (pass/fail counts per batch)
      operationId: getApiSimulationRunsBatchesList
      parameters:
        - in: query
          name: scenarioSetId
          schema:
            type: string
          required: true
        - in: query
          name: limit
          schema:
            type: integer
            exclusiveMinimum: 0
            maximum: 50
            default: 10
        - in: query
          name: cursor
          schema:
            type: string
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  batches:
                    type: array
                    items:
                      type: object
                      properties:
                        batchRunId:
                          type: string
                        totalCount:
                          type: number
                        passCount:
                          type: number
                        failCount:
                          type: number
                        runningCount:
                          type: number
                        settledCount:
                          type: number
                        stalledCount:
                          type: number
                        lastRunAt:
                          type: number
                        lastUpdatedAt:
                          type: number
                        firstCompletedAt:
                          type:
                            - number
                            - 'null'
                        allCompletedAt:
                          type:
                            - number
                            - 'null'
                          description: >-
                            Deprecated: read settledCount and isComplete
                            instead. It carries the last update time of a batch
                            where no run is running.
                          deprecated: true
                        isComplete:
                          type: boolean
                          description: >-
                            True when every run of the batch reached a terminal
                            status.
                        note:
                          type:
                            - string
                            - 'null'
                          description: >-
                            One short line saying why the batch was run, as
                            given when it was queued. Null on a batch run
                            without one. Absent on servers that predate run
                            notes.
                      required:
                        - batchRunId
                        - totalCount
                        - passCount
                        - failCount
                        - runningCount
                        - settledCount
                        - stalledCount
                        - lastRunAt
                        - lastUpdatedAt
                        - firstCompletedAt
                        - allCompletedAt
                        - isComplete
                  hasMore:
                    type: boolean
                  nextCursor:
                    type: string
                required:
                  - batches
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                  - error
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                  - error
        '422':
          description: Unprocessable Entity
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                  - error
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
                  message:
                    type: string
                required:
                  - error
      security:
        - project_api_key: []
components:
  securitySchemes:
    project_api_key:
      type: apiKey
      in: header
      name: X-Auth-Token
      description: >-
        Project API key for sending traces and accessing project-scoped
        resources. Format: sk-lw-... (no underscore). Obtain one by creating a
        project via the Admin API or the LangWatch UI.

````