> For the complete documentation index, see [llms.txt](https://konnadex-docs.gitbook.io/konnadex-technologies/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://konnadex-docs.gitbook.io/konnadex-technologies/payments/accept-payment.md).
# 📡Accept Payment
Konnadex is a software development kit that allows for ease of crypto payment integration on the web. Accept crypto USDT payments using Binance smart chain (BSC), Ethereum, and Polygon blockchain.
**USAGE**
Currently, anyone can use konnadex SDK via a simple hyperlink integration on a new or existing web page.
**Installing**
Using CDN:
```javascript
// Some code for the CDN
```
**Example**
After the Konnadex script has been loaded, a global `konnadexCheckout` the object is injected into the global `window` object for ease of availability.
**Creating an instance**
```javascript
const pay = new KonnadexCheckout({
key: "KDX_PUBK_TEST_9juOi233pYQUax0vB5wudw+H32SZttKUIyfZh/7xQZWiPbI1",
reference: "test-test-ref", //Use your actual reference key
env: "PRODUCTION", // This supports "DEVELOPMENT" or "PRODUCTION"
currency: ["NGN","USD","EUR","GBP","GHS","AUD","JPY"]
amount: "2000.42",
network: "BINANCE", // optional[default: BINANCE]
cryptoCurrency: "USDT", // USDT | CNGN
defaultTab: "contract", // contract | transfer
theme: 'light', // This supports "Light" and "Dark" Theme
metadata: {
email: "jd@doe.com",
fullname: "John Doe",
description:"",
phone: ""
},
onSuccess: success,
onError: error,
onClose,
});
```
**Setup event handlers and Open Konnadex Pay**
Emit config data, prepare UI dialog for transactions, and open the dialog
```javascript
pay.initializePay();
```
**Instance Configuration**
Konnadex is initialized with a configuration object which is required to set up and open up the Konnadex dialog. See below for specifications on the configuration object.
```javascript
{
key: "KDX_PUBK_TEST_9juOi233pYQUax0vB5wudw+H32SZttKUIyfZh/7xQZWiPbI1",
reference: "test-test-ref",//unique
metadata: {
email: "jd@doe.com",
fullname: "John Doe",
description:"",
},
theme: 'light',
env:"PRODUCTION",
currency: "NGN",
amount: "2000.42",
network: "BINANCE", // optional[default: BINANCE]
cryptoCurrency: "USDT", // USDT | CNGN
defaultTab: "contract", // contract | transfer
// `onSuccess` callBack function on transaction successful
onSuccess: function(transactionData){}, // no-default, optional, function
// `onClose` callBack function on modal close
onClose: function(closeEvent){}, // no-default, optional, function
// `onError` callBack function on transaction successful
onError: function(error){}, // no-default, optional, function
// `transfer` Allow third party wallet transfers
transfer: true, // default false, not required, boolean
}
```
**Supported Networks and token**
Network
ChainId
USDT
cNGN
Ethereum
1
✅
❌
Binance Smart Chain
56
✅
✅
Polygon Mainnet
137
✅
✅
Mumbai
80001
✅
✅
BSC Testnet
97
✅
✅
Goerli Testnet
5
✅
✅
Lisk Mainnet
1135
✅
❌
Lisk Sepolia Testnet
4202
✅
❌
Asset Chain Testnet
42421
✅
✅
**Full Example**
Create an HTML file, and paste this script below then get the bag.
```html
Getting Started