Quick Start - AI API Integration Guide

Nexus API provides professional Claude API, OpenAI API, Grok API, Gemini API and other AI model proxy services. It supports GPT-5, Claude Sonnet/Opus, DeepSeek, GLM-4.5 and many more, offering unified AI API routing and proxy services. Free credits on registration to get started quickly.

For CLI Tools

Make sure you have Node.js installed (version >= 18).

Getting Started - AI API Integration Guide

Nexus API supports quick integration with popular AI development tools including Claude Code, OpenAI Codex, Qwen Code, RooCode, KiloCode and more, providing unified API routing and model proxy services.

1. Register: Create an account at nexusapi.one (free credits on registration)
2. Check wallet: Verify your free credits have arrived
3. Create API key: Go to Console > Token to create your key. Make sure to select the correct group.
4. Start using: Follow the guides below for your preferred tool

Tutorials - AI Model API Integration

• Use with Claude Code
• Use with OpenAI Codex
• Use with Gemini CLI
• Use with RooCode
• Use with KiloCode
• Use with Qwen Code
• Contact Us

Useful Links - Claude OpenAI Grok Gemini API Service

• Website: nexusapi.one
• Tutorials: nexusapi.one/docs
• Register: nexusapi.one/sign-up
• Console: nexusapi.one/console/token
• Pricing: nexusapi.one/pricing