> ## 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.

# Get a single simulation run by its ID

> Get a single simulation run by its ID



## OpenAPI

````yaml GET /api/simulation-runs/{scenarioRunId}
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/{scenarioRunId}:
    get:
      description: Get a single simulation run by its ID
      operationId: getApiSimulation-runsByScenarioRunId
      parameters:
        - schema:
            type: string
          in: path
          name: scenarioRunId
          required: true
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                type: object
                properties:
                  scenarioId:
                    type: string
                  batchRunId:
                    type: string
                  scenarioRunId:
                    type: string
                  name:
                    type:
                      - string
                      - 'null'
                  description:
                    type:
                      - string
                      - 'null'
                  status:
                    type: string
                  results:
                    type:
                      - object
                      - 'null'
                    properties:
                      verdict:
                        type:
                          - string
                          - 'null'
                      reasoning:
                        type:
                          - string
                          - 'null'
                      metCriteria:
                        type: array
                        items:
                          type: string
                      unmetCriteria:
                        type: array
                        items:
                          type: string
                      error:
                        type:
                          - string
                          - 'null'
                  messages:
                    type: array
                    items:
                      type: object
                      properties:
                        role:
                          type: string
                        content:
                          type: string
                      required:
                        - role
                        - content
                  timestamp:
                    type: number
                  updatedAt:
                    type: number
                  durationInMs:
                    type: number
                  totalCost:
                    type: number
                  platformUrl:
                    type: string
                    format: uri
                required:
                  - scenarioId
                  - batchRunId
                  - scenarioRunId
                  - name
                  - description
                  - status
                  - results
                  - messages
                  - timestamp
                  - updatedAt
                  - durationInMs
                  - platformUrl
        '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
        '404':
          description: Run not found
          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.

````