Node.js SDK

Lexmount Node.js SDK is the JavaScript and TypeScript entry point for creating remote browser sessions, managing persistent contexts, uploading extensions, and retrieving session downloads.

Features

• Typed API for TypeScript and modern Node.js runtimes
• ESM and CommonJS compatible package output
• Session creation, listing, and deletion
• Persistent context creation, inspection, deletion, and force-release
• Extension upload, list, get, and delete
• Session downloads list, fetch, archive, and clear
• Structured error types for auth, network, timeout, and context-lock cases
• Configurable SDK logging

Installation

npm install lexmount

Requirements:

• Node.js 18+
• npm 9+ recommended
• playwright optional, only needed when connecting to browser sessions

Runtime Configuration

Environment Variables

export LEXMOUNT_API_KEY="your-api-key"
export LEXMOUNT_PROJECT_ID="your-project-id"
export LEXMOUNT_BASE_URL="https://api.lexmount.cn"  # Optional

Or use a .env file:

LEXMOUNT_API_KEY=your-api-key
LEXMOUNT_PROJECT_ID=your-project-id
LEXMOUNT_BASE_URL=https://api.lexmount.cn

The SDK reads credentials from constructor options first, then falls back to environment variables. If LEXMOUNT_BASE_URL is omitted, the default base URL is https://api.lexmount.cn.

What To Read Next

• Quick Start for installation, configuration, and first connection.
• Capabilities for sessions, contexts, extensions, downloads, logging, and errors.
• Examples for runnable scripts from the SDK repository.