Many models.
One API.

IDEMPOTENCY_KEY=$(uuidgen)
curl -N https://api.bluewhitenile.com/v1/chat/completions \
  -H "Authorization: Bearer $BWN_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $IDEMPOTENCY_KEY" \
  -d '{"model":"gpt-5.6-sol","messages":[{"role":"user","content":"Hello"}],"stream":true}'

# pip install openai
import uuid
from openai import OpenAI

client = OpenAI(
    base_url="https://api.bluewhitenile.com/v1",
    api_key="<BWN_API_KEY>",
)

idempotency_key = str(uuid.uuid4())
stream = client.chat.completions.create(
    model="gpt-5.6-sol",
    messages=[{"role": "user", "content": "Hello"}],
    stream=True,
    extra_headers={"Idempotency-Key": idempotency_key},
)
for chunk in stream:
    print(chunk.choices[0].delta.content or "", end="")

// npm install openai
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.bluewhitenile.com/v1",
  apiKey: process.env.BWN_API_KEY,
});

const idempotencyKey = crypto.randomUUID();
const stream = await client.chat.completions.create({
  model: "gpt-5.6-sol",
  messages: [{ role: "user", content: "Hello" }],
  stream: true,
}, {
  headers: { "Idempotency-Key": idempotencyKey },
});
for await (const chunk of stream) {
  process.stdout.write(chunk.choices[0]?.delta?.content ?? "");
}