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OpenAPI Specification

openapi: 3.2.0
info:
  title: WritersProof Declaration API
  version: 1.0.0
  description: Certificate Authority and verification API for the Proof-of-Effort protocol. Certify, verify, and prove human authorship.
  contact:
    name: WritersLogic LLC
    url: https://writersproof.com
  license:
    name: SSPL-1.0
    url: https://www.mongodb.com/licensing/server-side-public-license
servers:
- url: https://api.writersproof.com
  description: Production
- url: https://api.writerslogic.com
  description: Legacy
tags:
- name: Declaration
  description: AI tool usage declarations (IPTC-aligned)
paths:
  /v1/declaration:
    post:
      tags:
      - Declaration
      operationId: createDeclaration
      summary: Create AI declaration
      description: Submit an AI tool usage declaration for a document. Maps tool usage to IPTC digital source types and AI disclosure levels.
      security:
      - bearerAuth: []
      - apiKeyAuth: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DeclarationRequest'
      responses:
        '201':
          description: Declaration created
          content:
            application/json:
              schema:
                type: object
                properties:
                  declarationId:
                    type: string
                    format: uuid
                  aiDisclosureLevel:
                    type: string
                    enum:
                    - none
                    - assisted
                    - ai_generated
                  iptcDigitalSourceType:
                    type: string
                    enum:
                    - humanCreated
                    - compositeWithTrainedAlgorithmicMedia
                    - trainedAlgorithmicMedia
                  timestamp:
                    type: string
                    format: date-time
        '400':
          $ref: '#/components/responses/ValidationError'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  responses:
    Unauthorized:
      description: Authentication required
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    ValidationError:
      description: Request validation failed
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
                example: Validation failed
              details:
                type: array
                items:
                  type: string
  schemas:
    DeclarationRequest:
      type: object
      required:
      - documentHash
      - titleHash
      - aiTools
      properties:
        documentHash:
          type: string
          pattern: ^[0-9a-fA-F]{64}$
        titleHash:
          type: string
          pattern: ^[0-9a-fA-F]{64}$
        aiTools:
          type: array
          maxItems: 20
          items:
            type: object
            required:
            - name
            - purpose
            - extent
            properties:
              name:
                type: string
                minLength: 1
                maxLength: 200
              purpose:
                type: string
                enum:
                - grammar_check
                - style_suggestion
                - content_generation
                - translation
                - research
                - other
              extent:
                type: string
                enum:
                - none
                - minor_assistance
                - significant_assistance
                - primary_generation
        inputModalities:
          type: array
          items:
            type: string
    Error:
      type: object
      properties:
        error:
          type: string
      required:
      - error
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: Supabase JWT token
    apiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: API key with wp_sk_ prefix