vLex

vLex (part of Clio) is a global legal intelligence platform that applies AI to ingest, enrich, classify, and deliver insights from over 100 million legal documents across 2,000+ multilingual sources. The vLex Iceberg platform provides REST APIs for legal document anonymization, classification, key phrase extraction, citation detection, and AI-powered legal research. vLex also offers the Fastcase Legal Data API for raw legal data feeds.

3 APIs 0 Features

AIClassificationLegal ResearchLegal TechNatural Language ProcessingPrivacy

APIs

vLex Iceberg Anonymization API

Identifies and anonymizes names and personally identifiable information from any text input. Pre-trained on legal data to recognize names, organizations, and sensitive entities ...

vLex Iceberg Legal Research API

AI-powered legal research API providing document search, classification, key phrase extraction, citation detection (vCite), and legal entity identification across vLex's corpus ...

vLex Remote Authentication API

Single sign-on authentication API for corporate vLex accounts. Generates redirect URLs using HMAC authentication for seamless user access to vLex.com from institutional portals.

Collections

vLex Iceberg Anonymization API

OPEN

vLex Iceberg Legal Research API

OPEN

Pricing Plans

Vlex Plans Pricing

1 plans

PLANS

Rate Limits

Vlex Rate Limits

1 limits

RATE LIMITS

FinOps

Vlex Finops

FINOPS

Semantic Vocabularies

Vlex Context

11 classes · 23 properties

JSON-LD

API Governance Rules

vLex API Rules

8 rules · 3 errors 5 warnings

SPECTRAL

JSON Structure

Vlex Legal Document Structure

0 properties

JSON STRUCTURE

Example Payloads

Vlex Iceberg Anonymization Anonymize Text Example

5 fields

EXAMPLE

Resources

GitHubOrganization

Sources

opencollection: 1.0.0
info:
  name: vLex Iceberg Legal Research API
  version: 1.0.0
items:
- info:
    name: Search
    type: folder
  items:
  - info:
      name: Search Legal Documents
      type: http
    http:
      method: POST
      url: https://api.vlex.com/v1/search
      body:
        type: json
        data: '{}'
      auth:
        type: apikey
        key: Ocp-Apim-Subscription-Key
        value: '{{Ocp-Apim-Subscription-Key}}'
        placement: header
    docs: Perform a semantic search across the vLex corpus of 100+ million legal documents. Supports natural language queries
      with jurisdiction, document type, and date filters. Returns ranked results with document metadata.
- info:
    name: Documents
    type: folder
  items:
  - info:
      name: Get Legal Document
      type: http
    http:
      method: GET
      url: https://api.vlex.com/v1/documents/:document_id
      params:
      - name: document_id
        value: ''
        type: path
        description: vLex document identifier
      auth:
        type: apikey
        key: Ocp-Apim-Subscription-Key
        value: '{{Ocp-Apim-Subscription-Key}}'
        placement: header
    docs: Retrieve a specific legal document by its vLex ID, including full text, metadata, and citation data.
- info:
    name: Classification
    type: folder
  items:
  - info:
      name: Classify Legal Document
      type: http
    http:
      method: POST
      url: https://api.vlex.com/v1/classify
      body:
        type: json
        data: '{}'
      auth:
        type: apikey
        key: Ocp-Apim-Subscription-Key
        value: '{{Ocp-Apim-Subscription-Key}}'
        placement: header
    docs: Classify a legal text into practice areas, document types, and extract key legal phrases. Uses IceNet, vLex's legal
      classification algorithm trained on millions of legal documents.
  - info:
      name: Extract Key Phrases
      type: http
    http:
      method: POST
      url: https://api.vlex.com/v1/key-phrases
      body:
        type: json
        data: '{}'
      auth:
        type: apikey
        key: Ocp-Apim-Subscription-Key
        value: '{{Ocp-Apim-Subscription-Key}}'
        placement: header
    docs: Extract significant legal key phrases, terms of art, and important concepts from a legal text. Returns ranked phrases
      with context.
- info:
    name: Citations
    type: folder
  items:
  - info:
      name: Detect Legal Citations
      type: http
    http:
      method: POST
      url: https://api.vlex.com/v1/citations
      body:
        type: json
        data: '{}'
      auth:
        type: apikey
        key: Ocp-Apim-Subscription-Key
        value: '{{Ocp-Apim-Subscription-Key}}'
        placement: header
    docs: Detect and parse legal citations from text using vLex's vCite algorithm. Supports citation formats from 20+ jurisdictions.
      Returns structured citation data with links to referenced documents where available.
bundled: true