openapi: 3.0.1
info:
  title: Zuva DocAI Classification Files API
  description: The Zuva DocAI API is a RESTful contract and document AI API for extracting structured data from unstructured documents. It provides asynchronous file submission, OCR, field extraction across 1,400+ pre-built fields, multi-level document classification across 220+ document types, language detection, and a searchable fields catalog. All requests are authenticated with a Bearer API token and served from regional hosts (US and EU).
  termsOfService: https://zuva.ai/terms/zuva/
  contact:
    name: Zuva Support
    url: https://zuva.ai/
  version: '2.0'
servers:
- url: https://{region}.app.zuva.ai/api/v2
  description: Zuva DocAI regional API server
  variables:
    region:
      default: us
      description: Deployment region for the Zuva DocAI API.
      enum:
      - us
      - eu
security:
- bearerAuth: []
tags:
- name: Files
  description: Upload and manage document files.
paths:
  /files:
    post:
      operationId: createFile
      tags:
      - Files
      summary: Upload a document file.
      description: Upload the binary content of a document to Zuva. Returns a file_id used by the OCR, extraction, and classification services.
      requestBody:
        required: true
        content:
          application/octet-stream:
            schema:
              type: string
              format: binary
      responses:
        '201':
          description: File created.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/File'
    delete:
      operationId: deleteFiles
      tags:
      - Files
      summary: Delete multiple files.
      description: Delete multiple uploaded files by their file IDs.
      parameters:
      - name: file_ids
        in: query
        required: true
        description: Comma-separated list of file IDs to delete.
        schema:
          type: string
      responses:
        '204':
          description: Files deleted.
  /files/{file_id}:
    delete:
      operationId: deleteFile
      tags:
      - Files
      summary: Delete a single file.
      parameters:
      - $ref: '#/components/parameters/FileId'
      responses:
        '204':
          description: File deleted.
  /files/{file_id}/expiration:
    put:
      operationId: updateFileExpiration
      tags:
      - Files
      summary: Update a file's expiration.
      description: Update the retention period (expiration) of an uploaded file.
      parameters:
      - $ref: '#/components/parameters/FileId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                expiration:
                  type: string
                  format: date-time
                  description: New expiration timestamp for the file.
      responses:
        '200':
          description: Expiration updated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/File'
components:
  parameters:
    FileId:
      name: file_id
      in: path
      required: true
      description: The unique identifier of an uploaded file.
      schema:
        type: string
  schemas:
    File:
      type: object
      properties:
        file_id:
          type: string
        expiration:
          type: string
          format: date-time
        attributes:
          type: array
          items:
            type: string
        size:
          type: integer
        permissions:
          type: array
          items:
            type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'Zuva API token passed in the Authorization header as `Authorization: Bearer <token>`.'