LLM API Integration Guide
Hands-on tutorials · Price analysis · Integration solutions
AI API Access in China: How to Use Claude, GPT, Gemini, and DeepSeek Through One Integration
A practical guide for developers in China who want stable access to Claude, GPT, Gemini, and DeepSeek APIs, with lower setup friction, simpler billing, and one OpenAI-compatible integration path.
Why Does an AI API Work One Minute and Fail the Next? A Practical Guide to Rate Limits, Network Paths, and Fallbacks
If your AI API sometimes works and sometimes fails, this guide explains the most common causes, from rate limits and network instability to provider routing issues and missing fallback strategy.
How to Unify Access to Qwen, GLM, Kimi, and DeepSeek APIs
A practical guide to unifying access to Chinese LLM APIs such as Qwen, GLM, Kimi, and DeepSeek so developers can reduce duplicated integration work and keep future model switching flexible.
Which AI Model Is Best for Coding? Claude vs GPT vs Gemini vs DeepSeek in 2026
A practical comparison of Claude, GPT, Gemini, and DeepSeek for AI coding in 2026, covering code generation, debugging, refactoring, long-context work, and real cost trade-offs for developers.
How to Build Multi-Model Routing: A Practical Low-Cost AI App Strategy with APIBox
A practical guide to multi-model routing, including task-based model selection, fallback strategy, cost control, and how to use APIBox to connect Claude, GPT, Gemini, and DeepSeek through one entry point.
How to Share One API Configuration Across Claude Code, Cursor, and Cline
If you use Claude Code, Cursor, Cline, and other AI coding tools together, this guide explains how to share one APIBox configuration to reduce duplicated setup, simplify switching, and keep model choices flexible.
CC Switch Guide: Configure Claude Code with APIBox and Switch Between 3 Model Setups
A practical CC Switch guide using Claude Code as the example. Learn how to configure APIBox inside CC Switch and create three separate model setups for Claude, GPT, and Gemini.
AI API Pricing Comparison 2026: GPT vs Claude vs Gemini vs DeepSeek for Real Use Cases
A practical comparison of GPT, Claude, Gemini, and DeepSeek API pricing in 2026, focused on real cost structure, use cases, and how developers should choose models based on workload, quality needs, and budget.
What Is Function Calling? The Key Capability Behind AI Agents That Can Use APIs
Function calling is the key capability that lets AI agents use external tools and APIs. This guide explains how it works, when to use it, common implementation mistakes, and how to test it with APIBox.
How to Estimate LLM API Costs: Token Math, Pricing Tables, and Budgeting That Actually Works
LLM API costs are easy to underestimate. This guide explains token math, input/output pricing, multi-turn cost growth, retries, and model selection so developers can build realistic budgets and control spend.