LLM API Integration Guides
Hands-on tutorials · Pricing analysis · Integration guides
How to Connect Cursor to APIBox: Setup Steps and Common Fixes
A practical guide to connecting Cursor to APIBox, including API key setup, OpenAI-compatible base URL configuration, model selection, and common troubleshooting steps.
How to Fix Anthropic APIConnectionError: A Practical Troubleshooting Guide
A practical guide to fixing Anthropic APIConnectionError, covering network failures, timeout settings, environment variables, base_url mistakes, and more stable integration paths.
How to Fix DeepSeek API 429, 503, and Timeout Errors
A practical troubleshooting guide for developers hitting DeepSeek API 429, 503, and timeout errors, with a focus on rate limits, concurrency, retries, and more stable access patterns.
Claude API Migration Guide: Move from the Official API with Minimal Code Changes
A practical Claude API migration guide for teams that want to move away from the official Anthropic endpoint with minimal code changes and clear validation steps.
How to Use the Gemini API in China: 2026 Practical Integration Guide
Practical guide for developers integrating Google Gemini API in China: solve SSL handshake timeouts, eliminate overseas credit card barriers, and use OpenAI-compatible SDKs.
How to Pay for the OpenAI API Without a Foreign Credit Card
A practical guide for developers who want to use OpenAI-style APIs without relying on a foreign credit card, with a focus on billing friction, cost visibility, and integration simplicity.
DeepSeek API Unstable? Fix Rate Limits and Save Money with an Aggregated Relay
DeepSeek's official API frequently hits 429 rate limit errors and suffers outages during peak hours. This guide shows how to use APIBox's multi-source load-balanced relay for reliable DeepSeek access at lower cost.
GPT-5 API in China: Cheapest Access with CNY Payment — No Foreign Card Needed
GPT-5 API is blocked in China and requires a foreign credit card to pay. APIBox solves both problems: direct China access and CNY top-up via Alipay, with prices significantly below OpenAI official rates.