# Three-Step Integration
This guide helps you complete Widget SDK integration in 30 minutes.
## Overview
Widget SDK is the fastest way to integrate BlockATM. You can embed a cryptocurrency cashier in your website or application in just three steps:
1. Import SDK script
2. Add cashier container
3. Initialize SDK
## Integration Flowchart
The following diagram shows the complete integration process:
## Step 1: Import SDK
Import BlockATM SDK in your HTML page:
{% tabs %}
{% tab title="Production" %}
```html
```
{% endtab %}
{% tab title="Test" %}
```html
```
{% endtab %}
{% endtabs %}
## Step 2: Add Container
Add a container element on the page where the cashier will be displayed:
```html
```
{% hint style="info" %}
**Container Style**: It is recommended to set appropriate height and width for the container to accommodate the cashier interface.
{% endhint %}
## Step 3: Initialize
Initialize SDK in your application code:
```javascript
window.BlockATM.init(
document.getElementById('blockatm-container'),
{
cashierId: 'YOUR_CASHIER_ID',
orderNo: 'ORDER_' + Date.now(),
amount: '100',
symbol: 'USDT',
chainId: 'TRON',
callback: function(result) {
if (result.type === 'finish') {
console.log('Payment successful!', result.data);
}
}
}
);
```
## Get API Key
You can get API Key in BlockATM admin dashboard:
1. Login to BlockATM admin dashboard
2. Go to "Cashier" → "Integration"
{% hint style="info" %}
**Integration Info**: On the integration page, you can get cashier ID and API key.
{% endhint %}
## Complete Example
```html
BlockATM Integration Example
Cryptocurrency Payment
```
## Next Steps
* [View complete parameter description →](/widget-sdk/parameters.md)
* [View API documentation →](/open-api/open-api.md)
* [View Webhook configuration →](/webhook/webhooks.md)
---
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```
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