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

# Get a screenshot

> Returns the image of a page the agent's browser showed, for a `tool_ended` or `page_visited` event that has a `screenshot`. Its content type is the image's own, usually `image/jpeg`.



## OpenAPI

````yaml https://tracks.alpic.ai/api/openapi.json get /runs/{id}/events/{seq}/screenshot
openapi: 3.1.0
info:
  title: Tracks API
  version: 0.0.1
  description: >-
    Run coding agents such as Claude Code in isolated sandboxes with an API key
    of your organization. Create a run with a prompt, then follow its output and
    what it costs, or launch an experiment to compare agents on your scenarios.
servers:
  - url: https://tracks.alpic.ai/api
security: []
tags:
  - name: Runs
    description: Start coding agents and follow their work.
  - name: Files
    description: Upload files to place in a run's sandbox.
  - name: Connections
    description: >-
      Let agents use MCP servers as one of their users, without their
      credentials entering the sandbox.
  - name: Experiments
    description: >-
      Define scenarios to give several agents in several variants, judged on
      what they did.
  - name: Executions
    description: Launch experiments and read their results.
  - name: Library
    description: What your experiments can give their agents.
  - name: System
paths:
  /runs/{id}/events/{seq}/screenshot:
    get:
      tags:
        - Runs
      summary: Get a screenshot
      description: >-
        Returns the image of a page the agent's browser showed, for a
        `tool_ended` or `page_visited` event that has a `screenshot`. Its
        content type is the image's own, usually `image/jpeg`.
      operationId: runs.getScreenshot
      parameters:
        - name: id
          in: path
          schema:
            $ref: '#/components/schemas/RunId'
          required: true
        - name: seq
          in: path
          schema:
            type: string
            pattern: ^[+-]?(?:\d+(?:\.\d+)?|\.\d+)(?:[Ee][+-]?\d+)?$
          required: true
      responses:
        '200':
          description: Success
          content:
            image/jpeg:
              schema:
                type: string
                format: binary
        '400':
          description: >-
            The request is invalid: a value is missing, has the wrong type or is
            out of range. Fix it before sending the request again.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InvalidRequestEncoded'
        '401':
          description: >-
            The API key is missing, malformed or revoked, or its organization is
            closed.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiKeyRefusedEncoded'
        '404':
          description: >-
            No run with this id exists in your organization. | This event has no
            screenshot.
          content:
            application/json:
              schema:
                anyOf:
                  - $ref: '#/components/schemas/RunNotFoundEncoded'
                  - $ref: '#/components/schemas/ScreenshotNotFoundEncoded'
      security:
        - bearer: []
components:
  schemas:
    RunId:
      type: string
      description: Unique identifier of the run.
    InvalidRequestEncoded:
      type: object
      properties:
        _tag:
          type: string
          enum:
            - InvalidRequest
        message:
          type: string
          description: Every problem found, in one sentence.
        location:
          type: string
          enum:
            - path
            - query
            - header
            - body
          description: The part of the request that is wrong.
        issues:
          type: array
          items:
            $ref: '#/components/schemas/RequestIssue'
          description: Each problem found, with where it is.
      required:
        - _tag
        - message
        - location
        - issues
      additionalProperties: false
    ApiKeyRefusedEncoded:
      type: object
      properties:
        _tag:
          type: string
          enum:
            - ApiKeyRefused
        message:
          type: string
      required:
        - _tag
        - message
      additionalProperties: false
    RunNotFoundEncoded:
      type: object
      properties:
        _tag:
          type: string
          enum:
            - RunNotFound
        message:
          type: string
      required:
        - _tag
        - message
      additionalProperties: false
    ScreenshotNotFoundEncoded:
      type: object
      properties:
        _tag:
          type: string
          enum:
            - ScreenshotNotFound
        message:
          type: string
      required:
        - _tag
        - message
      additionalProperties: false
    RequestIssue:
      type: object
      properties:
        path:
          type: array
          items:
            anyOf:
              - type: string
              - type: number
              - type: string
                enum:
                  - Infinity
                  - '-Infinity'
                  - NaN
          description: >-
            Keys leading to the wrong value inside that part of the request,
            such as `["agent", "model"]`. Empty when the problem concerns that
            part as a whole.
        message:
          type: string
          description: What is wrong with the value.
      required:
        - path
        - message
      additionalProperties: false
      description: One problem found in the request.
  securitySchemes:
    bearer:
      description: >-
        An API key of your organization, starting with `trk_`, sent as
        `Authorization: Bearer <key>`.
      type: http
      scheme: bearer

````

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