Nexus API is a unified LLM API gateway that provides access to a wide range of AI models through a single, OpenAI-compatible API endpoint. Access models like GPT-5, Claude, DeepSeek, Gemini, and more — all with one API key.
Why Nexus API?
- One API, Many Models: Access 100+ AI models from different providers through a single API endpoint
- OpenAI-Compatible: Use the standard OpenAI SDK format — just change the base URL and API key
- Pay-as-you-go: No subscriptions required, pay only for the tokens you use (billed in USD)
- 24/7 Support: Customer service available around the clock with 5-minute response time
Quick Start
1. Get Your API Key
Register at nexusapi.one and get your API key from the Console.
2. Set Up
export OPENAI_API_KEY="sk-xxx"
export OPENAI_BASE_URL="https://nexusapi.one/v1"3. Make Your First API Call
from openai import OpenAI
client = OpenAI(
api_key="sk-xxx",
base_url="https://nexusapi.one/v1"
)
response = client.chat.completions.create(
model="gpt-4o",
messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)Supported Tools
Nexus API works with popular AI coding tools:
| Tool | Description |
|---|---|
| Claude Code | Anthropic's CLI for Claude |
| OpenAI Codex | OpenAI's coding agent |
| RooCode | VS Code AI extension |
| KiloCode | VS Code AI extension |
| Qwen Code | Alibaba's coding CLI |
Payment Methods
- WeChat: YLC12999
- Taobao: Click to Buy
- Telegram: +61 415088208 (crypto accepted)
- Email: admin@nexusapi.one

