> ## 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. # List an execution's slots > Returns every run the execution plans, with its run once started and its verdict once judged. Read a run's work with the runs endpoints. ## OpenAPI ````yaml https://tracks.alpic.ai/api/openapi.json get /executions/{id}/slots 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: /executions/{id}/slots: get: tags: - Executions summary: List an execution's slots description: >- Returns every run the execution plans, with its run once started and its verdict once judged. Read a run's work with the runs endpoints. operationId: executions.listSlots parameters: - name: id in: path schema: $ref: '#/components/schemas/ExecutionId' required: true responses: '200': description: Success content: application/json: schema: type: object properties: data: type: array items: $ref: '#/components/schemas/Slot' has_more: type: boolean description: Whether more items are available after this page. required: - data - has_more additionalProperties: false '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 execution with this id exists in your organization. content: application/json: schema: $ref: '#/components/schemas/ExecutionNotFoundEncoded' security: - bearer: [] components: schemas: ExecutionId: type: string description: Unique identifier of the execution. Slot: type: object properties: id: type: string description: Unique identifier of the slot. scenario_id: type: string repository_id: type: string description: Absent when the run has no repository. agent_tools_id: type: string agent: $ref: '#/components/schemas/ExperimentAgent' repetition: type: integer minimum: -9007199254740991 maximum: 9007199254740991 description: Which of the identical runs it is, from 1. run_id: $ref: '#/components/schemas/RunId_1' outcome: type: string enum: - running - judging - judged - not_evaluated description: >- `running` while its run waits to start or has not ended, `judging` while it waits for evaluation results, `judged` once they are all in, or `not_evaluated` when it never will be. verdict: type: string enum: - passed - failed description: Whether the run passed its scenario, once judged. score: anyOf: - type: number - type: string enum: - Infinity - '-Infinity' - NaN not_evaluated_reason: type: string enum: - never_started - no_evaluations - run_not_completed - agent_failed - evidence_too_long - too_many_attempts description: >- Why the run has no verdict: it never started, its scenario has no evaluations, it did not end `completed`, its agent stopped with an error such as its model provider being unreachable, what it did was too long to judge, or judging failed too many times. refusal: type: string description: Why its run could not start. evaluation_results: type: array items: type: object properties: evaluation_id: type: string passed: type: boolean required: - evaluation_id - passed additionalProperties: false description: Each evaluation judged so far, and whether the run passed it. required: - id - scenario_id - agent_tools_id - agent - repetition - outcome - evaluation_results additionalProperties: false description: >- One run an execution plans, for one scenario, variant, agent and repetition, and how it was judged. 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 ExecutionNotFoundEncoded: type: object properties: _tag: type: string enum: - ExecutionNotFound message: type: string required: - _tag - message additionalProperties: false ExperimentAgent: type: object properties: harness: $ref: '#/components/schemas/Harness' model: type: string description: Model the agent uses, such as `claude-sonnet-5-5`. required: - harness - model additionalProperties: false description: A coding agent and the model it uses. RunId_1: type: string description: The run, once started. 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. Harness: type: string enum: - claude-code - claude-desktop - codex - codex-app - cursor description: >- The coding agent to run: `claude-code` (Claude Code), `claude-desktop` (Cowork, the agent workspace of Anthropic's Claude desktop app, for documents, research and longer tasks), `codex` (OpenAI's Codex CLI), `codex-app` (the Codex mode of OpenAI's ChatGPT desktop app, with its browser, computer-use and document tools) or `cursor` (Cursor's CLI). securitySchemes: bearer: description: >- An API key of your organization, starting with `trk_`, sent as `Authorization: Bearer `. type: http scheme: bearer ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.