# Geren Documentation > Multi-chain RPC proxy platform — developer and AI-agent documentation. Read this first. This file contains links to documentation sections following the llmstxt.org standard. ## Table of Contents - [Authentication](https://docs.gerenchain.io/authentication.md): Geren supports URL-embedded API keys and Authorization Bearer tokens, with hot key rotation. - [Getting Started](https://docs.gerenchain.io/getting-started.md): Integrate the Geren RPC proxy in 5 minutes — create an account, generate a key, and make your first JSON-RPC call. - [Introduction](https://docs.gerenchain.io/docs/intro.md): Geren is a multi-chain RPC proxy platform. Start here for developer and AI-agent documentation. - [Rate Limits](https://docs.gerenchain.io/rate-limits.md): Per-key and per-IP throttling, the X-RateLimit-* response headers, and how to handle 429 responses.