Request Format

The chat completions API allows you to generate conversational responses using advanced AI models. This endpoint is compatible with the OpenAI Chat Completions API format.

Endpoint

POST https://api.unli.dev/v1/chat/completions

Authentication

Include your API key in the Authorization header:

Authorization: Bearer YOUR_API_KEY

Example Request

import OpenAI from "openai";

const openai = new OpenAI({
  baseURL: "https://api.unli.dev/v1",
  apiKey: "YOUR_API_KEY",
});

const completion = await openai.chat.completions.create({
  messages: [{ role: "user", content: "Hello, AI!" }],
  model: "auto",
});

console.log(completion.choices[0].message.content);

import openai

openai.api_key = "YOUR_API_KEY"
openai.api_base = "https://api.unli.dev/v1"

response = openai.ChatCompletion.create(
  model="auto",
  messages=[{"role": "user", "content": "Hello, AI!"}]
)

print(response.choices[0].message.content)

curl -X POST https://api.unli.dev/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "auto",
    "messages": [{"role": "user", "content": "Hello, AI!"}],
    "stream": false
  }'

Request Format

Basic Text Completion

{
  "model": "auto",
  "messages": [
    {
      "role": "user",
      "content": "Hello, how are you?"
    }
  ]
}

Text with System Message

{
  "model": "auto",
  "messages": [
    {
      "role": "system",
      "content": "You are a helpful assistant that speaks like a pirate."
    },
    {
      "role": "user",
      "content": "Tell me about the weather"
    }
  ],
}

Image Analysis

You can provide images as input to generation requests by providing an image as a Base64-encoded data URL

{
  "model": "auto",
  "messages": [
    {
      "role": "user",
      "content": [
        {
          "type": "image_url",
          "image_url": {
            "url": "data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD..."
          }
        },
        {
          "type": "text",
          "text": "What's in this image?"
        }
      ]
    }
  ]
}

Parameters

Parameter	Type	Required	Default	Description
`model`	string	Yes	auto	Model to use for completion. Use "auto" for automatic model selection
`messages`	array	Yes	-	Array of message objects representing the conversation
`stream`	boolean	No	false	Enable streaming responses
`temperature`	number	No	0.1	Temperature for sampling. Higher values make output more random

Supported Image Formats

Format	Max Size	Notes
JPEG	20MB	Recommended for photos
PNG	20MB	Good for screenshots
GIF	20MB	Static images only
WebP	20MB	Modern format

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