Enterprise · backend

Use Jamba 1.5 Large with Express.js

Updated 2026-05-21 · By XALEN

How to use Jamba 1.5 Large (Enterprise, 398B (94B active)) with Express.js. Install, authenticate, and make your first API call in minutes. Working code example included.

Model

Jamba 1.5 Large

398B (94B active) · 256K context · $0.08 input

Framework

Express.js

backend · npm install xalen-sdk express

1. Install

npm install xalen-sdk express

2. Code

const express = require('express');
const XALEN = require('xalen-sdk');

const app = express();
app.use(express.json());
const client = new XALEN({ apiKey: 'xln_test_YOUR_KEY' });

app.post('/chat', async (req, res) => {
  const response = await client.chat.completions.create({
    model: 'jamba-1-5-large',
    messages: req.body.messages
  });
  res.json({ reply: response.choices[0].message.content });
});

app.listen(3000);

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Last updated: 2026-05-21