On this page

• Python
• Node.js
• cURL

Quick Start

Use the /chat/completions endpoint to start sending messages to any language model.

POST https://api.oblion.io/v1/chat/completions

Python

from openai import OpenAI

client = OpenAI(
    base_url="https://api.oblion.io/v1",
    api_key="YOUR_OBLION_API_KEY",
)

response = client.chat.completions.create(
    model="claude-sonnet-4-6",
    messages=[{"role": "user", "content": "Hello!"}]
)

Node.js

import OpenAI from "openai";

const openai = new OpenAI({
    baseURL: "https://api.oblion.io/v1",
    apiKey: "YOUR_OBLION_API_KEY",
});

async function main() {
    const completion = await openai.chat.completions.create({
        model: "claude-sonnet-4-6",
        messages: [{ role: "user", content: "Hello!" }],
    });
    console.log(completion.choices[0].message);
}

cURL

curl https://api.oblion.io/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_OBLION_API_KEY" \
  -d '{
    "model": "claude-sonnet-4-6",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

100% compatible with the official OpenAI SDK.