openapi: 3.0.1
info:
  title: Zuva DocAI Classification Fields 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: Fields
  description: Field catalog management.
paths:
  /fields:
    get:
      operationId: getFields
      tags:
      - Fields
      summary: List available fields.
      description: List all available extraction fields with their metadata.
      responses:
        '200':
          description: List of fields.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Field'
    post:
      operationId: createField
      tags:
      - Fields
      summary: Create a custom extraction field.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                field_name:
                  type: string
                description:
                  type: string
      responses:
        '201':
          description: Field created.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Field'
  /fields/{field_id}/metadata:
    get:
      operationId: getFieldMetadata
      tags:
      - Fields
      summary: Retrieve field metadata.
      parameters:
      - $ref: '#/components/parameters/FieldId'
      responses:
        '200':
          description: Field metadata.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Field'
    put:
      operationId: updateFieldMetadata
      tags:
      - Fields
      summary: Update field metadata.
      description: Update a field's name and description.
      parameters:
      - $ref: '#/components/parameters/FieldId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                field_name:
                  type: string
                description:
                  type: string
      responses:
        '200':
          description: Field metadata updated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Field'
components:
  parameters:
    FieldId:
      name: field_id
      in: path
      required: true
      description: The unique identifier of a field.
      schema:
        type: string
  schemas:
    Field:
      type: object
      properties:
        field_id:
          type: string
        name:
          type: string
        description:
          type: string
        bias:
          type: number
        f_score:
          type: number
        precision:
          type: number
        recall:
          type: number
        is_custom:
          type: boolean
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'Zuva API token passed in the Authorization header as `Authorization: Bearer <token>`.'