3xCoderUnified AI API Endpoint

One endpoint, all models — OpenAI, Codex, Claude, Gemini. Fully OpenAI-compatible API relay for modern development.

Replace the base URL to connect

https://api.3xcoder.com/v1/chat/completions|

TERMINAL — NODE

// Configure Claude Code in 1 second

export ANTHROPIC_BASE_URL="https://api.3xcoder.com"

export ANTHROPIC_API_KEY="sk-..."

# Start coding at light speed

$ claude

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Unified API Endpoint

Single https://api.3xcoder.com base URL, fully OpenAI-compatible. Access Claude, GPT, Gemini, and Codex models through one consistent interface.

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Multi-Model Access

OpenAI GPT, Anthropic Claude, Google Gemini, OpenAI Codex — all available through the same API. Switch models with a single parameter change.

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Multi-User & Key Management

Create and manage multiple API keys with granular controls — per-key rate limits, quota management, token group isolation, and usage tracking from one dashboard.

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High Compatibility

Drop-in replacement for OpenAI SDK. Works with any tool or library that supports the OpenAI API format — Python, Node.js, Go, Java, C#, and more.

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Ready to Use

No complex setup required. Get your API key and start calling models immediately. Full support for streaming, function calling, and multimodal inputs.

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Professional Operation

24/7 monitoring, dedicated maintenance, fast issue response. Your relay is always available when you need it.