> ## Documentation Index > Fetch the complete documentation index at: https://docs.case.dev/llms.txt > Use this file to discover all available pages before exploring further. # Get OCR word bounding boxes > Retrieves word-level OCR bounding box data for a processed PDF document. Each word includes its text, normalized bounding box coordinates (0-1 range), confidence score, and global word index. Use this data to highlight specific text ranges in a PDF viewer based on word indices from search results. ## OpenAPI ````yaml /openapi.json get /vault/{id}/objects/{objectId}/ocr-words openapi: 3.1.0 info: title: Case.dev API description: >- The AI-native platform for legal technology. Build smarter legal applications with our suite of AI-powered APIs. version: 1.0.0 contact: name: Case.dev Support email: support@casemark.com url: https://case.dev license: name: Proprietary url: https://case.dev/terms servers: - url: https://api.case.dev description: Production security: - bearerAuth: [] tags: - name: Vaults description: Secure document storage with semantic search and GraphRAG - name: Memory description: >- Persistent memory for AI agents with semantic search and 12 generic indexed tag fields - name: OCR description: Extract text from PDFs, images, and scanned documents - name: Voice description: Audio transcription and text-to-speech - name: LLMs description: Access 40+ language models through a unified API - name: Search description: Web search, AI answers, and deep research - name: Mail description: Managed inboxes for agent email workflows - name: Media description: Transcript retrieval and captioned media clip generation - name: Legal description: Legal research tools including citation verification - name: Privilege description: Privilege detection for e-discovery and litigation workflows - name: Compute description: Serverless GPU and CPU infrastructure - name: Format description: Document formatting and template rendering (MD/JSON to PDF/DOCX) - name: SuperDoc description: Document conversion and template automation - name: Webhooks description: Webhook endpoint management - name: System description: Public system metadata and discovery endpoints - name: Usage description: Usage reporting and webhook subscriptions - name: Database description: Serverless PostgreSQL databases with instant branching - name: Translation description: Language detection and translation for multilingual legal workflows - name: Skills description: Search and read legal AI skills for agents - name: Agents description: >- Create, manage, and execute AI agents with tool access, sandbox environments, and async run workflows - name: Matters description: Matter-native legal workspaces and orchestration primitives - name: Applications Projects description: Web application project management - name: Applications Deployments description: Web application deployment management - name: Applications Domains description: Custom domain configuration for applications - name: Applications Env Vars description: Environment variable management for applications paths: /vault/{id}/objects/{objectId}/ocr-words: get: tags: - Vaults summary: Get OCR word bounding boxes description: >- Retrieves word-level OCR bounding box data for a processed PDF document. Each word includes its text, normalized bounding box coordinates (0-1 range), confidence score, and global word index. Use this data to highlight specific text ranges in a PDF viewer based on word indices from search results. operationId: getVaultObjectOcrWords parameters: - name: id in: path required: true schema: type: string description: The vault ID - name: objectId in: path required: true schema: type: string description: The object ID - name: page in: query required: false schema: type: integer description: >- Filter to a specific page number (1-indexed). If omitted, returns all pages. - name: wordStart in: query required: false schema: type: integer description: >- Filter to words starting at this index (inclusive). Useful for retrieving words for a specific chunk. - name: wordEnd in: query required: false schema: type: integer description: >- Filter to words ending at this index (inclusive). Useful for retrieving words for a specific chunk. responses: '200': description: Successfully retrieved OCR word data content: application/json: schema: type: object properties: objectId: type: string description: The object ID pageCount: type: integer description: Total number of pages in the document totalWords: type: integer description: Total number of words extracted from the document pages: type: array description: Per-page word data with bounding boxes items: type: object properties: page: type: integer description: Page number (1-indexed) words: type: array items: type: object properties: text: type: string description: The word text bbox: type: array items: type: number minItems: 4 maxItems: 4 description: >- Bounding box [x0, y0, x1, y1] normalized to 0-1 range confidence: type: number nullable: true description: OCR confidence score (0-1) wordIndex: type: integer description: >- Global word index across the entire document (0-based) createdAt: type: string format: date-time description: When the OCR data was extracted example: objectId: obj_abc123 pageCount: 5 totalWords: 2500 pages: - page: 1 words: - text: The bbox: - 0.12 - 0.71 - 0.15 - 0.75 confidence: 0.98 wordIndex: 0 - text: witness bbox: - 0.16 - 0.71 - 0.28 - 0.75 confidence: 0.99 wordIndex: 1 createdAt: '2024-01-15T10:30:00Z' '400': description: Bad request - missing parameters or object not processed yet '401': description: Unauthorized - invalid API key '403': description: Forbidden - API key lacks vault service access '404': description: >- Object or vault not found, or no OCR word data available (non-PDF document) components: securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: API Key description: API key starting with `sk_case_` ````