Restack Workflows API

openapi: 3.1.0
info:
  title: Restack Agents Workflows API
  description: The Restack API provides REST endpoints for scheduling, triggering, and managing AI agents and workflows. Restack automatically generates REST API endpoints for each agent and workflow registered in the platform, allowing programmatic invocation from any client application. Authentication is supported via Bearer tokens for secure access control.
  version: 1.0.0
  contact:
    name: Restack
    url: https://www.restack.io/
  license:
    name: Proprietary
    url: https://www.restack.io/terms
servers:
- url: http://localhost:6233
  description: Restack Local Server
- url: https://api.restack.io
  description: Restack Cloud API
security:
- bearerAuth: []
tags:
- name: Workflows
paths:
  /api/workflows/{workflowName}:
    post:
      operationId: scheduleWorkflow
      summary: Schedule Workflow
      description: Schedule a workflow by name. The workflow will be executed asynchronously and the request will return immediately with a run ID. Long-running workflows persist state across days, months, or years.
      tags:
      - Workflows
      parameters:
      - name: workflowName
        in: path
        required: true
        description: The name of the workflow to schedule.
        schema:
          type: string
      requestBody:
        required: false
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/WorkflowRunRequest'
      responses:
        '200':
          description: Workflow scheduled successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WorkflowRunResponse'
        '401':
          description: Unauthorized - invalid or missing bearer token
        '404':
          description: Workflow not found
        '500':
          description: Internal server error
  /api/workflows/{workflowName}/{runId}:
    get:
      operationId: getWorkflowRun
      summary: Get Workflow Run
      description: Retrieve the status and result of a specific workflow run by run ID.
      tags:
      - Workflows
      parameters:
      - name: workflowName
        in: path
        required: true
        schema:
          type: string
      - name: runId
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Workflow run details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WorkflowRunStatus'
        '404':
          description: Workflow run not found
components:
  schemas:
    WorkflowRunRequest:
      type: object
      properties:
        input:
          type: object
          description: Input parameters for the workflow. Must match the workflow's defined input schema.
          additionalProperties: true
    WorkflowRunResponse:
      type: object
      properties:
        runId:
          type: string
          description: Unique identifier for the workflow run.
        status:
          type: string
          enum:
          - queued
          - running
          - completed
          - failed
    WorkflowRunStatus:
      type: object
      properties:
        runId:
          type: string
        workflowName:
          type: string
        status:
          type: string
          enum:
          - queued
          - running
          - completed
          - failed
        output:
          type: object
          additionalProperties: true
        error:
          type: string
        createdAt:
          type: string
          format: date-time
        completedAt:
          type: string
          format: date-time
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Bearer token for API authentication. Set via RESTACK_API_BEARER_TOKEN environment variable.