Developer Guides

Step-by-step guides to help you integrate Bear Lumen into your application.

Getting Started

Quick Start

Get up and running in 10 minutes. Track your first AI call and query your costs.

Core Concepts

Understanding the fundamental building blocks of Bear Lumen.

Cost Intelligence

Cost Attribution

Track AI costs by user, feature, and agent to understand where spend is going.

Cost Queries

Query cost breakdowns by model, provider, or user with the SDK or API. (Coming soon)

Webhooks

Receive real-time notifications about cost thresholds and tracking events.

Security & Auth

API keys, webhook signatures, and best practices.

SDKs

Node.js SDK Reference

Complete API reference for the @bearlumen/node-sdk package.

Python SDK Reference

Complete API reference for the bearlumen Python package.

Error Handling

Handle SDK errors gracefully with typed error classes and retry strategies.

Integration Examples

Node.js Example

Get started with the Node.js SDK in minutes.

Python Example

Get started with the Python SDK in minutes.