Better Stack Next.js client

Start logging in 3 steps

1. Install

Install Logtail Next.js NPM package:

Install Logtail Next.js
npm install @logtail/next

2. Setup

Set LOGTAIL_SOURCE_TOKEN environment variable:

Set environment variable

Set up Better Stack Next.js client in next.config.js:

Wrap Next.js config with Logtail
const { withLogtail } = require('@logtail/next');

module.exports = withLogtail({
  // Your existing config

Import Better Stack Next.js logger:

Import Logtail logger
const { log } = require('@logtail/next');

3. Start logging ๐ŸŽ‰

Use structured logging in client, edge, or server-side files:

Send logs to Logtail
log.error("Something bad happened.");"Log message with structured logging.", {
    item: "Orange Soda",
    price: 100.00

You should see your logs in Better Stack โ†’ Live tail.

Next.js version 12.1.4 or higher is required.

Need help?

Please let us know at
We're happy to help! ๐Ÿ™

Advanced usage


Get logger with automatic log flushing and built-in exception logging.
Wrap your Next.js route handlers with Better Stack:

Logging in handlers
const { withLogtail, LogtailAPIRequest } = require('@logtail/next');

async function handler(req: LogtailAPIRequest, res: NextApiResponse) {"Hello Logtail!");


export default withLogtail(handler);

Log levels

Better Stack Next.js client provides four log levels: debug, info, warn, and error.
Stop sending debug logs to Better Stack:

Don't send debug logs

Server-side props

Take advantage of automatic log flushing and built-in exception logging.
Wrap your server-side props with Better Stack:

Server-side props
const { withLogtailGetServerSideProps } = require('@logtail/next');
export const getServerSideProps = withLogtailGetServerSideProps(
  async ({ req, log }) => {"Hello Logtail!");
    return {
      props: {