> ## 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.

# Parse citations from text

> Parses legal citations from text and returns structured Bluebook components (case name, reporter, volume, page, year, court). Accepts either a single citation or a full text block.



## OpenAPI

````yaml /openapi.json post /legal/v1/citations
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:
    post:
      tags:
        - Legal
      summary: Parse citations from text
      description: >-
        Parses legal citations from text and returns structured Bluebook
        components (case name, reporter, volume, page, year, court). Accepts
        either a single citation or a full text block.
      operationId: legalCitations
      requestBody:
        description: Text containing legal citations to extract
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - text
              properties:
                text:
                  type: string
                  description: >-
                    Text containing citations to extract. Can be a single
                    citation (e.g., "531 U.S. 98") or a full document with
                    multiple citations.
                  maxLength: 64000
      responses:
        '200':
          description: Citations extracted successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  citations:
                    type: array
                    items:
                      type: object
                      properties:
                        original:
                          type: string
                          description: Original citation as found in text
                        span:
                          type: object
                          properties:
                            start:
                              type: integer
                            end:
                              type: integer
                        components:
                          type: object
                          nullable: true
                          description: >-
                            Structured Bluebook components. Null if citation
                            format is not recognized.
                          properties:
                            caseName:
                              type: string
                              description: Case name, e.g., "Bush v. Gore"
                            volume:
                              type: integer
                              description: Volume number
                            reporter:
                              type: string
                              description: Reporter abbreviation, e.g., "U.S."
                            page:
                              type: integer
                              description: Starting page number
                            year:
                              type: integer
                              description: Decision year
                            court:
                              type: string
                              description: Court identifier
                            pinCite:
                              type: integer
                              description: Pin cite (specific page)
                        normalized:
                          type: string
                          description: Normalized citation string
                        found:
                          type: boolean
                          description: Whether citation was found in CourtListener database
        '400':
          description: Bad request - invalid or missing text parameter
        '401':
          description: Unauthorized - invalid API key
        '503':
          description: Service unavailable - CourtListener API unreachable
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API Key
      description: API key starting with `sk_case_`

````