Claude API Getting Started Guides
Claude API basics and setup
These Claude API getting-started guides are for users who need to obtain an API key, configure a local development environment, connect Claude Code, or troubleshoot their first API calls. The reading path starts with API key setup, then moves into China access, common error handling, and practical integrations with tools such as Cherry Studio, Cursor, Claude Code, Python, and LangChain.
If you are new to Claude API, begin with the API key and account setup guides before moving to Claude Code configuration and error troubleshooting. Once the basic request flow works, continue with tool integrations, streaming responses, batch processing, and cost optimization guides. This category should act as the entry point for new users and connect them to the most useful next tutorial instead of only listing posts.
Get $1.50 in Free Credits to Test the Claude API on ClaudeAPI.com
New ClaudeAPI.com accounts receive $0.5 in free test credits at signup; add the official support WeChat and you can get $1 more—$1.5 total to try the Claude API with minimal setup.
CC Switch Beginner Guide: One API Key for OpenClaw, OpenCode, Hermes, and Claude Code (2026)
Step-by-step guide to connecting ClaudeAPI.com with CC Switch: skip manual config edits, switch Claude API providers with one click, and get download links for every platform.
Claude API Model ID List: Opus, Sonnet, and Haiku IDs for 2026
A copy-ready Claude API model ID reference for ClaudeAPI users, including Opus, Sonnet, Haiku, pricing notes, routing examples, and troubleshooting.
How to Verify If Your Claude API Is Real: A Complete Guide to Model Fingerprint Detection
When using a third-party proxy or wrapper service, how can you confirm the underlying model is actually Claude? This article introduces 5 systematic detection methods to help you verify model authenticity and identify wrapping layers.
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 with cc-switch: One-Click API Configuration Guide
A practical 2026 guide to using cc-switch to manage Claude Code API settings with ClaudeAPI, including import, testing, key rotation, and common commands.
Complete Guide to Getting and Configuring a Claude API Key (2026)
Want to use the Claude API to write code, build apps, or connect your own tools, but get stuck at the registration step? This guide shows a low-friction option: getting a Claude API Key through https://claudeapi.com.
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.