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Tutorial

ANTHROPIC_BASE_URL: Claude Code Setup and /v1 Fixes

Set ANTHROPIC_BASE_URL correctly for Claude Code on Windows, macOS and Linux. Compare base URLs with request endpoints and diagnose 404, authentication and quota errors.

2026-06-28 5

LLM API Editorial Team

Tutorial

Using Cline and Roo Code with a Claude-Compatible API

Step-by-step setup for pointing Cline and Roo Code — the VS Code AI coding extensions — at an Anthropic-compatible relay. Provider settings, base URL, model IDs, and the gotchas with OpenAI-compatible vs native Anthropic mode.

2026-06-04 7

Yazhou Hu

Tutorial

Claude Code API Key Setup: Match Your Billing Key, Base URL and Model

Configure Claude Code for LLMAPI with the right billing key, Anthropic base URL and model ID, and understand what the browser URL checker can verify.

2026-04-09 5

LLM API Editorial Team

Tutorial

Claude Code with Alternative Models — Complete Setup Guide

How to use Claude Code with alternative models like Qwen, DeepSeek, and Gemini. Why DIY proxy setups fail and how LLM API gives you a turnkey solution in 2 minutes.

2026-04-08 8

Yazhou Hu