> ## 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.

# Extract citations from URL

> Extract all legal citations and references from a document URL. Returns structured citation data including case citations, statute references, and regulatory citations.



## OpenAPI

````yaml /openapi.json post /legal/v1/citations-from-url
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:
  /legal/v1/citations-from-url:
    post:
      tags:
        - Legal
      summary: Extract citations from URL
      description: >-
        Extract all legal citations and references from a document URL. Returns
        structured citation data including case citations, statute references,
        and regulatory citations.
      operationId: legalCitationsFromUrl
      requestBody:
        description: Document URL to extract citations from
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - url
              properties:
                url:
                  type: string
                  format: uri
                  description: URL of the legal document to extract citations from
      responses:
        '200':
          description: Citations extracted successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  url:
                    type: string
                    description: Source document URL
                  title:
                    type: string
                    description: Document title
                  totalCitations:
                    type: integer
                    description: Total citations found
                  citations:
                    type: object
                    properties:
                      cases:
                        type: array
                        items:
                          type: object
                          properties:
                            type:
                              type: string
                              description: >-
                                Citation type (usReporter, federalReporter,
                                etc.)
                            citation:
                              type: string
                              description: The citation string
                            count:
                              type: integer
                              description: Number of occurrences
                      statutes:
                        type: array
                        items:
                          type: object
                          properties:
                            type:
                              type: string
                              description: Citation type (usc)
                            citation:
                              type: string
                              description: The citation string
                            count:
                              type: integer
                              description: Number of occurrences
                      regulations:
                        type: array
                        items:
                          type: object
                          properties:
                            type:
                              type: string
                              description: Citation type (cfr)
                            citation:
                              type: string
                              description: The citation string
                            count:
                              type: integer
                              description: Number of occurrences
                  externalLinks:
                    type: array
                    items:
                      type: string
                    description: External links found in the document
                  hint:
                    type: string
                    description: Usage guidance
        '400':
          description: Bad request - invalid URL
        '401':
          description: Unauthorized - invalid API key
        '403':
          description: Forbidden - insufficient permissions
        '503':
          description: Service unavailable - content service unreachable
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API Key
      description: API key starting with `sk_case_`

````