Getting Started
Claude API basics and setup

Claude Code Domestic Access Tutorial (2026 latest)
5 minutes in the domestic network directly connected to the use of Claude Code: no need for overseas credit cards and scientific Internet access, support Alipay / WeChat recharge. Includes installation, configuration, model switching, common error troubleshooting tutorials.

Claude API Error Handbook (2026): How to Fix 401, 429, 529, and Other Common Failures
The 6 most common Claude API errors — with real response bodies and step-by-step fixes for Python, curl, Cherry Studio, and Cursor.

Claude Code 国内接入教程:cc-switch 一键切换 API 配置(2026最新)
三步完成 Claude Code 国内直连配置:安装 cc-switch,初始化 ClaudeAPI.com 接入点,一键切换多配置。无需代理,<200ms 延迟,附真实命令截图。

无需海外信用卡:国内获取 Claude API Key 完整指南(2026)
国内开发者 5 分钟获取 Claude API Key,支付宝/微信充值,国内直连免翻墙(完整指南)。3 种验证方式、模型选择、成本计算。