# FereAI Gateway > Unified API for AI-powered crypto trading and research across > Ethereum, Base, Arbitrum, BNB, and Solana. > Includes fully gasless cross-chain swaps with built-in bridging — > the most complete swap primitive in the industry. > Base URL: https://api.fereai.xyz > No SDK required — use any HTTP client. Auth uses Ed25519 keypairs. CLI and SDKs handle auth automatically. ## Install (recommended) curl -fsSL https://api.fereai.xyz/install.sh | sh ## Documentation - CLI Reference: https://api.fereai.xyz/cli - Skill File: https://api.fereai.xyz/skill.md - OpenAPI Spec: https://api.fereai.xyz/openapi.json - Interactive Docs: https://api.fereai.xyz/docs - Capabilities: https://api.fereai.xyz/capabilities ## CLI & SDKs - CLI (fere-cli v0.4.0): curl -fsSL https://api.fereai.xyz/install.sh | sh (or: pip install fere-cli) - Python (fere-sdk v0.5.0): pip install fere-sdk - TypeScript (@fere/sdk v0.5.0): npm i @fere/sdk ## SDKs (Optional) - Python (fere-sdk v0.5.0): pip install fere-sdk - TypeScript (@fere/sdk v0.5.0): npm i @fere/sdk ## Quick Reference - Health: https://api.fereai.xyz/health - Chains: https://api.fereai.xyz/v1/chains