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Nixo developer docs / Overview

Documentation

One API for the models and tools you already use. Start with a single request, then follow the guide that fits your stack.

Quick start

Send requests to https://nixo.codes/v1 with your API key. Nixo supports OpenAI-compatible and Anthropic-compatible request formats.

OpenAI-compatible

environment
export OPENAI_BASE_URL=https://nixo.codes/v1
export OPENAI_API_KEY=your-key-here

Anthropic-compatible

environment
export ANTHROPIC_BASE_URL=https://nixo.codes
export ANTHROPIC_API_KEY=your-key-here

Your first request

Here's a minimal chat completions request. Keep your API key in a server-side environment variable.

curl · POST /v1/chat/completions
curl https://nixo.codes/v1/chat/completions \
  -H "Authorization: Bearer $NIXO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"openai/gpt-6-sol","messages":[{"role":"user","content":"Hello, Nixo!"}]}'

Need a key? Create one in your dashboard. The API reference covers all supported endpoints and auth formats.

Explore the docs

01

Setup & install

Connect Claude Code, Codex CLI, or your favorite SDK to Nixo.

Configure a client
02

API reference

Review request formats, endpoints, authentication, and errors.

Read the reference
03

Model catalog

Compare model IDs, capabilities, providers, and endpoint support.

Browse models