Chat Completions API

Get Your API Key

Go to the API Keys page to create your API key.

API Base URL

https://tokenoff.com/api

Usage

OpenAI models support the /v1/chat/completions endpoint, fully compatible with the OpenAI Chat Completions API.

curl

curl https://tokenoff.com/api/v1/chat/completions \
  -H "Authorization: Bearer your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{
      "model": "gpt-5.4",
      "messages": [
          {"role": "user", "content": "Hello"}
      ]
  }'

Python

from openai import OpenAI

client = OpenAI(
  api_key="your_api_key_here",
  base_url="https://tokenoff.com/api/v1",
)

response = client.chat.completions.create(
  model="gpt-5.4",
  messages=[
      {"role": "user", "content": "Hello"}
  ],
)

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

TypeScript

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: "your_api_key_here",
  baseURL: "https://tokenoff.com/api/v1",
});

const response = await client.chat.completions.create({
  model: "gpt-5.4",
  messages: [
      { role: "user", content: "Hello" },
  ],
});

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

Supported Models