OpenAI SDK

pip install openai

from openai import OpenAI

client = OpenAI(
    base_url="https://api.vichar.io/v1",
    api_key="vichar_...",  # or os.environ["VICHAR_API_KEY"]
)

resp = client.chat.completions.create(
    model="vichar-sonnet-5.5",
    messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)

npm install openai

import OpenAI from "openai";

const client = new OpenAI({
	baseURL: "https://api.vichar.io/v1",
	apiKey: process.env.VICHAR_API_KEY,
});

const resp = await client.chat.completions.create({
	model: "vichar-sonnet-5.5",
	messages: [{ role: "user", content: "Hello" }],
});
console.log(resp.choices[0].message.content);