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

# Get workflow trace log data for a specific run

> Returns trace data for a pinned workflow run. If trace is stored remotely (S3), fetches and returns the data inline. If trace is local only, returns the local path.



## OpenAPI

````yaml /openapi.json get /workflow/{id}/runs/{rid}/trace-log
openapi: 3.0.0
info:
  title: Output.ai API
  version: 1.0.0
  description: API for managing and executing Output.ai workflows
servers:
  - url: http://localhost:3001
    description: Development server
security: []
tags: []
paths:
  /workflow/{id}/runs/{rid}/trace-log:
    get:
      summary: Get workflow trace log data for a specific run
      description: >-
        Returns trace data for a pinned workflow run. If trace is stored
        remotely (S3), fetches and returns the data inline. If trace is local
        only, returns the local path.
      parameters:
        - in: path
          name: id
          required: true
          schema:
            type: string
        - in: path
          name: rid
          required: true
          schema:
            type: string
            format: uuid
          description: The specific run id to target
      responses:
        '200':
          description: The trace log response
          content:
            application/json:
              schema:
                oneOf:
                  - $ref: '#/components/schemas/TraceLogRemoteResponse'
                  - $ref: '#/components/schemas/TraceLogLocalResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '404':
          $ref: '#/components/responses/NotFound'
        '424':
          $ref: '#/components/responses/FailedDependency'
        '500':
          $ref: '#/components/responses/InternalServerError'
components:
  schemas:
    TraceLogRemoteResponse:
      type: object
      required:
        - source
        - runId
        - data
      properties:
        source:
          type: string
          enum:
            - remote
          description: Indicates trace was fetched from remote storage
        runId:
          type: string
          description: The specific run id this trace belongs to
        data:
          $ref: '#/components/schemas/TraceData'
    TraceLogLocalResponse:
      type: object
      required:
        - source
        - runId
        - localPath
      properties:
        source:
          type: string
          enum:
            - local
          description: Indicates trace is available locally
        runId:
          type: string
          description: The specific run id this trace belongs to
        localPath:
          type: string
          description: Absolute path to local trace file
    TraceData:
      type: object
      description: Trace data containing workflow execution details
      additionalProperties: true
      properties:
        workflowId:
          type: string
          description: The workflow execution ID
        input:
          type: object
          description: The workflow input
        output:
          type: object
          description: The workflow output
        steps:
          type: array
          description: The workflow execution steps
          items:
            type: object
    ValidationErrorResponse:
      type: object
      description: Request body validation failure (Zod)
      properties:
        error:
          type: string
          enum:
            - ValidationError
        message:
          type: string
          example: Invalid Payload
        issues:
          type: array
          description: Zod validation issues
          items:
            type: object
    ErrorResponse:
      type: object
      description: >-
        API error body (WorkflowNotFoundError, UnsupportedWorkflowError,
        WorkflowExecutionTimedOutError, WorkflowNotCompletedError,
        CatalogNotAvailableError, or server error)
      properties:
        error:
          type: string
          description: >-
            Error type name (e.g. WorkflowNotFoundError,
            UnsupportedWorkflowError, CatalogNotAvailableError)
        message:
          type: string
          description: Human-readable error message
        workflowId:
          type: string
          description: >-
            Workflow ID when the error is tied to a specific execution (e.g.
            timeout)
          nullable: true
  responses:
    BadRequest:
      description: Invalid request body, query, or pagination token
      content:
        application/json:
          schema:
            oneOf:
              - $ref: '#/components/schemas/ValidationErrorResponse'
              - $ref: '#/components/schemas/ErrorResponse'
    NotFound:
      description: Workflow execution, workflow type, or catalog not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    FailedDependency:
      description: >-
        Workflow dependency failed (e.g. workflow not in a terminal state, or
        workflow type is unsupported by the selected catalog)
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    InternalServerError:
      description: Internal server error (e.g. Temporal connection failure)
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'

````