openapi: 3.0.0
info:
  title: SingleFile External API Documentation documents tasks API
  description: Formation and compliance documents
  termsOfService: https://www.singlefile.io/
  contact:
    email: support@singlefile.io
  license:
    name: BSD License
  version: v1
  x-apievangelist-provenance:
    method: searched
    source: https://docs.singlefile.ai/ (ReadMe per-operation OpenAPI fragments merged; OAuth2 scheme added from the documented Authentication guide)
    generated: '2026-07-21'
servers:
- url: https://api.demo.singlefile.ai/external-api/v1
security:
- OAuth2ClientCredentials:
  - read
  - write
tags:
- name: tasks
  description: Compliance tasks and deadlines
paths:
  /tasks/list:
    parameters: []
    get:
      operationId: tasks_list_list
      description: ''
      parameters:
      - name: ordering
        in: query
        description: Which field to use when ordering the results.
        required: false
        schema:
          type: string
      - name: search
        in: query
        description: A search term.
        required: false
        schema:
          type: string
      - name: page_number
        in: query
        description: A page number within the paginated result set.
        required: false
        schema:
          type: integer
      - name: page_size
        in: query
        description: Number of results to return per page.
        required: false
        schema:
          type: integer
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                required:
                - count
                - results
                type: object
                properties:
                  count:
                    type: integer
                  next:
                    type: string
                    format: uri
                    nullable: true
                  previous:
                    type: string
                    format: uri
                    nullable: true
                  results:
                    type: array
                    items:
                      $ref: '#/components/schemas/TaskInstance'
      tags:
      - tasks
  /tasks/{task_id}:
    parameters:
    - name: task_id
      in: path
      required: true
      schema:
        type: string
    get:
      operationId: tasks_read
      description: ''
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TaskInstance'
      tags:
      - tasks
components:
  schemas:
    TaskInstance:
      required:
      - due_by
      type: object
      properties:
        id:
          title: Id
          type: string
          readOnly: true
          nullable: true
        due_by:
          title: Due by
          description: The deadline for the task.
          type: string
          format: date
        responsible_user_email:
          title: Responsible user email
          type: string
          readOnly: true
        entity_id:
          title: Entity id
          type: string
          readOnly: true
        status:
          title: Status
          type: string
          enum:
          - NONE
          - ASSIGNED
          - WAITING_FOR_CLIENT_RESPONSE
          - ACKNOWLEDGED
          - COMPLETED
          - CANCELED
        task:
          title: Task
          type: string
          readOnly: true
        created_at:
          title: Created at
          type: string
          format: date-time
        updated_at:
          title: Updated at
          type: string
          format: date-time
        acknowledged_at:
          title: Acknowledged at
          type: string
          format: date-time
          nullable: true
        completed_at:
          title: Completed at
          type: string
          format: date-time
          nullable: true
        completed_by_order_id:
          title: Completed by order id
          type: string
          readOnly: true
        upcoming_first_reminder_at:
          title: Upcoming first reminder at
          type: string
          format: date-time
          nullable: true
        upcoming_second_reminder_at:
          title: Upcoming second reminder at
          type: string
          format: date-time
          nullable: true
        upcoming_third_reminder_at:
          title: Upcoming third reminder at
          type: string
          format: date-time
          nullable: true
        upcoming_fourth_reminder_at:
          title: Upcoming fourth reminder at
          type: string
          format: date-time
          nullable: true
        due_today_reminder_at:
          title: Due today reminder at
          type: string
          format: date-time
          nullable: true
        past_due_first_reminder_at:
          title: Past due first reminder at
          type: string
          format: date-time
          nullable: true
        past_due_second_reminder_at:
          title: Past due second reminder at
          type: string
          format: date-time
          nullable: true
        past_due_third_reminder_at:
          title: Past due third reminder at
          type: string
          format: date-time
          nullable: true
        escalate_reminder_at:
          title: Escalate reminder at
          type: string
          format: date-time
          nullable: true
        last_reminded_at:
          title: Last reminded at
          type: string
          format: date-time
          nullable: true
  securitySchemes:
    OAuth2ClientCredentials:
      type: oauth2
      description: 'OAuth 2.0 Client Credentials flow. Exchange client_id/client_secret at the token endpoint for a 1-hour bearer token; send it as Authorization: Bearer <token>.'
      flows:
        clientCredentials:
          tokenUrl: https://api.demo.singlefile.ai/o/token/
          scopes:
            read: Read access to entities, organizations, orders, documents, jurisdictions and tasks
            write: Create and update entities, organizations, orders, documents and jurisdictions