API Documentation

Lexi Developer API

Integrate Lexi's powerful AI legal capabilities into your applications with our comprehensive RESTful API and SDKs.

Quick Start Guide

Get up and running with the Lexi API in minutes

1. Get API Key
Sign up and generate your API key from the developer dashboard
2. Make First Call
Use our REST API to analyze your first legal document
3. Build & Scale
Integrate AI legal capabilities into your application

Example: Document Analysis

curl -X POST https://api.lexi.ai/v1/documents/analyze \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "document": {
      "content": "Contract content here...",
      "type": "contract"
    },
    "analysis_type": "risk_assessment"
  }'

API Endpoints

Explore our comprehensive API endpoints

POST/v1/documents/analyze
Analyze legal documents using AI
Parameters: content, type, analysis_type
GET/v1/documents/{id}
Retrieve document analysis results
Parameters: id
POST/v1/documents/summarize
Generate document summaries
Parameters: content, length, focus_areas

SDKs & Libraries

Official SDKs for popular programming languages

JavaScript/Node.js
v2.1.0
Full-featured SDK for JavaScript and Node.js applications
npm install @lexi/sdk
Python
v2.0.5
Comprehensive Python SDK with async support
pip install lexi-python
Java
v1.8.2
Enterprise-ready Java SDK with Spring Boot integration
maven/gradle dependency
C#/.NET
v1.5.1
.NET SDK for enterprise applications
dotnet add package Lexi.SDK
Go
v1.2.0
Lightweight Go SDK for high-performance applications
go get github.com/lexi/go-sdk
PHP
v1.1.3
PHP SDK with Laravel and Symfony support
composer require lexi/php-sdk
Security & Authentication
Secure your API communications with industry-standard practices
  • API key authentication
  • OAuth 2.0 support
  • TLS 1.3 encryption
  • Request signing
  • IP whitelisting
Rate Limits & Quotas
Understand API limits and optimize your usage
Free Tier1,000 requests/month
Professional10,000 requests/month
EnterpriseUnlimited

Rate limiting: 100 requests per minute per API key

Ready to Start Building?

Get your API key and start integrating Lexi's AI capabilities into your applications today.