vLex website screenshot

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.

vLex publishes 5 APIs on the APIs.io network, including Anonymization API, Citations API, Classification API, and 2 more. Tagged areas include AI, Classification, Legal Research, Legal Tech, and Natural Language Processing.

The vLex catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

vLex’s developer surface includes authentication, documentation, support, engineering blog, and 9 more developer resources.

51.2/100 developing ▬ flat Agent 34/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessEnterpriseSelf serveFree trial⚡ Free to try
6 APIs
AIClassificationLegal ResearchLegal TechNatural Language ProcessingPrivacy

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 51.2/100 · developing
Contract Quality 18.7 / 25
Developer Ergonomics 8.3 / 20
Commercial Clarity 7.4 / 20
Operational Transparency 3.4 / 13
Governance 7.0 / 12
Discoverability 6.5 / 10
Agent readiness — 34/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/vlex: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 6

Individual APIs this provider publishes, each with its own machine-readable definition.

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.

vLex Anonymization API

Identify and anonymize personally identifiable information in text

vLex Citations API

Detect and resolve legal citations (vCite)

vLex Classification API

Classify legal documents and extract key phrases

vLex Documents API

Retrieve individual legal documents

vLex Search API

Search the vLex legal document corpus

Open Collections 2

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Pricing Plans 1

Published pricing tiers and plan structures.

Vlex Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Vlex Rate Limits

1 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Vlex Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Vlex Context

11 classes · 23 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

vLex API Rules

5 rules · 4 warnings 1 info

SPECTRAL

vLex API Rules

8 rules · 3 errors 5 warnings

SPECTRAL

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

vLex Legal Document

10 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Vlex Legal Document Structure

0 properties

JSON STRUCTURE

Examples 1

Example request and response payloads for these APIs.

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Vlex Authentication

apiKey · 1 scheme

SECURITY

Vlex Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Vlex Trust Center

SOC 2, HIPAA, GDPR

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Vlex Agentic Access

7 operations · 6 acting

7 operations · 6 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 3

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Company 3

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: vlex
name: vLex
description: 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.
type: Index
accessModel:
  pricing: enterprise
  onboarding: self-serve
  trial: true
  try_now: true
  public: false
  label: Enterprise (free trial) · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://vlex.com/hubfs/vlex-logo.svg
tags:
- AI
- Classification
- Legal Research
- Legal Tech
- Natural Language Processing
- Privacy
created: '2025-03-01'
modified: '2026-05-19'
url: https://raw.githubusercontent.com/api-evangelist/vlex/refs/heads/main/apis.yml
specificationVersion: '0.19'
apis:
- aid: vlex:remote-auth-api
  name: vLex Remote Authentication API
  description: 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.
  humanURL: https://github.com/vlex/remote_auth
  tags:
  - Authentication
  - Single Sign-On
  - SSO
  properties:
  - type: GitHubRepository
    url: https://github.com/vlex/remote_auth
- aid: vlex:vlex-anonymization-api
  name: vLex Anonymization API
  description: Identify and anonymize personally identifiable information in text
  humanURL: https://developer.vlex.com/apis
  tags:
  - Anonymization
  properties:
  - type: OpenAPI
    url: openapi/vlex-anonymization-api-openapi.yml
  - type: Documentation
    url: https://developer.vlex.com/apis
- aid: vlex:vlex-citations-api
  name: vLex Citations API
  description: Detect and resolve legal citations (vCite)
  humanURL: https://developer.vlex.com/apis
  tags:
  - Citations
  properties:
  - type: OpenAPI
    url: openapi/vlex-citations-api-openapi.yml
  - type: Documentation
    url: https://developer.vlex.com/apis
- aid: vlex:vlex-classification-api
  name: vLex Classification API
  description: Classify legal documents and extract key phrases
  humanURL: https://developer.vlex.com/apis
  tags:
  - Classification
  properties:
  - type: OpenAPI
    url: openapi/vlex-classification-api-openapi.yml
  - type: Documentation
    url: https://developer.vlex.com/apis
- aid: vlex:vlex-documents-api
  name: vLex Documents API
  description: Retrieve individual legal documents
  humanURL: https://developer.vlex.com/apis
  tags:
  - Documents
  properties:
  - type: OpenAPI
    url: openapi/vlex-documents-api-openapi.yml
  - type: Documentation
    url: https://developer.vlex.com/apis
- aid: vlex:vlex-search-api
  name: vLex Search API
  description: Search the vLex legal document corpus
  humanURL: https://developer.vlex.com/apis
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/vlex-search-api-openapi.yml
  - type: Documentation
    url: https://developer.vlex.com/apis
common:
- type: AgenticAccess
  url: agentic-access/vlex-agentic-access.yml
- type: TrustCenter
  url: security/vlex-trust-center.yml
- type: DomainSecurity
  url: security/vlex-domain-security.yml
- type: Authentication
  url: authentication/vlex-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/vlex
- url: https://vlex.com/
  type: Website
- url: https://developer.vlex.com/
  type: DeveloperPortal
- url: https://developer.vlex.com/apis
  type: Reference
- url: https://vlex.com/iceberg-ai
  type: Documentation
- url: https://developer.vlex.com/use-cases
  type: UseCases
- url: https://vlex.com/integrations
  type: Integrations
- url: https://github.com/vlex
  type: GitHubOrganization
- url: https://vlex.com/products/fastcase
  type: Product
- url: https://support.vlex.com/
  type: Support
- url: https://vlex.com/news
  type: Blog
integrations:
- name: vLex
- name: vLex Custom AI Solutions
- name: BakerHostetler
- name: Ferrari
- name: Stradley Ronon
- name: Fisher Phillips
- name: Grammarly
- name: University of Oxford
- name: ABA
- name: The Florida Bar (Member Benefit)
- name: Ryanair
- name: Cuatrecasas
- name: vLex (part of Clio)
- name: LinkedIn
- name: Facebook
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com