> ## 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.

# 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: getApiSimulation-runsBatchesList
      parameters:
        - in: query
          name: scenarioSetId
          schema:
            type: string
          required: true
        - in: query
          name: limit
          schema:
            type: integer
            exclusiveMinimum: 0
            maximum: 50
            default: 10
          required: false
        - in: query
          name: cursor
          schema:
            type: string
          required: false
      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
                        stalledCount:
                          type: number
                        lastRunAt:
                          type: number
                        lastUpdatedAt:
                          type: number
                        firstCompletedAt:
                          type:
                            - number
                            - 'null'
                        allCompletedAt:
                          type:
                            - number
                            - 'null'
                      required:
                        - batchRunId
                        - totalCount
                        - passCount
                        - failCount
                        - runningCount
                        - stalledCount
                        - lastRunAt
                        - lastUpdatedAt
                        - firstCompletedAt
                        - allCompletedAt
                  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
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.

````