---
title: HTML-only quickstart
---
# HTML-only quickstart
Get a working "Sign in with Little X Little" button on your page in 60 seconds. No build tools, no npm, no Composer.
## 1. Drop the script tag
Put this in your `` (or just before ``):
```html
```
## 2. Render the button
Anywhere in the page body:
```html
```
## 3. Receive the credential
```html
```
## 4. Verify on the server
```php
'YOUR_CLIENT_ID']);
$payload = $client->verifyOneTap($_POST['credential']);
// $payload['sub'] → stable account code
// $payload['email'] → email
// $payload['lxl.access'] → permission claims
```
That's it. Behind the scenes the SDK handled PKCE, opened a hidden iframe for silent sign-in, and posted the JWT back to your callback.
## What you get for free
- :material-cursor-default-click: **Pre-rendered button** that adapts to light/dark mode.
- :material-bell-ring: **One-Tap prompt** for users already signed into Little X Little.
- :material-shield-check: **PKCE** automatically (no client secret needed in the browser).
- :material-flash: **Silent re-auth** if the user already granted consent.
## Next steps
- [Customize the button & One-Tap](../guides/one-tap.md)
- [Read the JWT claims](../reference/claims.md)
- [Verify in PHP](php-sdk.md) / [Verify in Node](oauth-from-scratch.md#verifying-in-nodejs)