### Get Payment Information with PHP

Source: https://4clever.io/api/v1/pay

This snippet shows how to retrieve payment information using the 4clever.io API v1. It sends a GET request to the payment information endpoint. The response includes the status and data of the payment.

```php
$ch = curl_init('https://4clever.io/api/v1/pay/get/{hash}');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_HEADER, false);
$result = json_decode(curl_exec($ch));
curl_close($ch);

print_r($result);
```

--------------------------------

### GET /api/v1/pay/get/{hash}

Source: https://4clever.io/api/v1/pay

Retrieves payment information using the payment hash. This is useful for checking the status of a payment without approving it. No body parameters are needed; the hash is in the path.

```APIDOC
## GET /api/v1/pay/get/{hash}

### Description
Fetches details about a specific payment by its hash.

### Method
GET

### Endpoint
https://4clever.io/api/v1/pay/get/{hash}

### Parameters
#### Path Parameters
- **hash** (String) - Required - Payment hash

### Request Example
GET https://4clever.io/api/v1/pay/get/payment_hash

### Response
#### Success Response (200)
- **status** (String) - Request status
- **data** (Object) - Payment details

#### Response Example
{
  "status": "success",
  "data": {
    "order_id": "unique_order_id",
    "amount": "300",
    "status": "pending"
  }
}
```

--------------------------------

### Create Payment with PHP

Source: https://4clever.io/api/v1/pay

This snippet demonstrates how to create a payment using the 4clever.io API v1. It sends a POST request with required parameters such as token, order ID, amount, and URLs for redirection and callback. The response includes a payment URL.

```php
$token = 'ВАШ ТОКЕН';
$order_id = time() . mt_rand();
$amount = 300;
$params = [];

$data = [
	'token' => $token,
	'order_id' => $order_id,
	'amount' => $amount,
	'discount' => 1,
	'data' => json_encode($params),
	'redirect_url' => '',
	'callback_url' => ''
];

$ch = curl_init('https://4clever.io/api/v1/pay/create');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data, '', '&'));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_HEADER, false);
$result = json_decode(curl_exec($ch));
curl_close($ch);

print_r($result->url);
```

--------------------------------

### POST /api/v1/pay/create

Source: https://4clever.io/api/v1/pay

This endpoint creates a new payment and returns a payment URL for the user to complete the transaction. It requires authentication via token and details like order ID, amount, and callback URLs. Upon success, it provides a hash and redirect URL for payment processing.

```APIDOC
## POST /api/v1/pay/create

### Description
Creates a new payment link for the user to pay via 4Clever.io.

### Method
POST

### Endpoint
https://4clever.io/api/v1/pay/create

### Parameters
#### Request Body
- **token** (String) - Required - Your authentication token
- **order_id** (String) - Required - Unique order ID in your system
- **amount** (String) - Required - Payment amount
- **discount** (Int) - Required - Discount percentage for payment tolerance
- **data** (Json) - Required - Additional data object passed with notifications
- **redirect_url** (String) - Required - URL to redirect user after payment
- **callback_url** (String) - Required - URL for payment notifications

### Request Example
{
  "token": "YOUR_TOKEN",
  "order_id": "unique_order_id",
  "amount": "300",
  "discount": 1,
  "data": "{}",
  "redirect_url": "https://your-site.com/success",
  "callback_url": "https://your-site.com/callback"
}

### Response
#### Success Response (200)
- **status** (String) - Request status
- **hash** (String) - Payment hash
- **url** (String) - Payment page URL

#### Response Example
{
  "status": "success",
  "hash": "payment_hash",
  "url": "https://4clever.io/pay/payment_hash"
}
```

--------------------------------

### Handle Payment Callback with PHP

Source: https://4clever.io/api/v1/pay

This snippet shows how to handle a payment callback from 4clever.io. It verifies the signature and processes the payment data if the signature is valid. The server should respond with 'OK' upon successful processing.

```php
$token = 'ТОКЕН ПОЛЬЗОВАТЕЛЯ';

$sign = $_SERVER['HTTP_SIGNATURE'];
$sign2 = hash_hmac('sha256', $_POST['hash'] . '|' . $_POST['createdDateTime'] . '|' . $_POST['amount'], $token);

if($sign == $sign2) {
	// Код в случае успешной оплаты
	// Для получения data используйте html_entity_decode($_POST['data']);
	echo 'OK'; // Вернуть ответ серверу
} else {
	echo 'ERROR SIGN';
}
```

--------------------------------

### Confirm Payment with PHP

Source: https://4clever.io/api/v1/pay

This snippet demonstrates how to confirm a payment using the 4clever.io API v1. It sends a POST request with the token and payment hash. The response includes the status of the request.

```php
$token = 'ВАШ ТОКЕН';

$data = [
	'token' => $token,
	'hash' => 'хэш платежа'
];

$ch = curl_init('https://4clever.io/api/v1/pay/approve');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data, '', '&'));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_HEADER, false);
$result = json_decode(curl_exec($ch));
curl_close($ch);

print_r($result);
```

--------------------------------

### POST [callback_url] - Success Notification Webhook

Source: https://4clever.io/api/v1/pay

This is a webhook endpoint on your server that receives POST notifications when a payment is successful. It includes payment details and requires signature verification for security. Respond with 'OK' on success or 'ERROR SIGN' on failure.

```APIDOC
## POST {callback_url}

### Description
Webhook for receiving successful payment notifications from 4Clever.io. Verify the signature to ensure authenticity before processing.

### Method
POST

### Endpoint
{callback_url} (as specified during payment creation)

### Parameters
#### Request Body
- **hash** (String) - Operation number in 4Clever system
- **order_id** (String) - Unique order ID from your system
- **amount** (Float) - Payment amount
- **data** (Json) - Additional data from payment creation
- **createdDateTime** (String) - Payment creation timestamp
- **status** (String) - Payment status (e.g., 'PAID')
- **HTTP_SIGNATURE** (Header) - Signature for verification

### Request Example
{
  "hash": "payment_hash",
  "order_id": "unique_order_id",
  "amount": 300.0,
  "data": "{}",
  "createdDateTime": "2023-10-01T12:00:00Z",
  "status": "PAID"
}

### Response
#### Success Response
- Respond with 'OK'

#### Error Response
- Respond with 'ERROR SIGN' if signature invalid
```

--------------------------------

### POST /api/v1/pay/approve

Source: https://4clever.io/api/v1/pay

Approves a payment using its hash and token. This endpoint confirms the transaction on the server side. It returns the status of the approval request.

```APIDOC
## POST /api/v1/pay/approve

### Description
Confirms and approves a payment by hash.

### Method
POST

### Endpoint
https://4clever.io/api/v1/pay/approve

### Parameters
#### Request Body
- **token** (String) - Required - Your authentication token
- **hash** (String) - Required - Payment hash to approve

### Request Example
{
  "token": "YOUR_TOKEN",
  "hash": "payment_hash"
}

### Response
#### Success Response (200)
- **status** (String) - Request status

#### Response Example
{
  "status": "success"
}
```

--------------------------------

### Transfer Funds - PHP

Source: https://4clever.io/api/v1/transfer

This snippet demonstrates how to transfer funds using the 4clever.io API. It uses the `curl` library in PHP to send a POST request to the `/transfer/send` endpoint, including authentication tokens, the recipient address, and the amount to transfer. The response is a JSON object containing the transfer ID and amount.

```PHP
<?php
$token = 'ВАШ ТОКЕН';
$address = 'Адрес для перевода';
$amount = 300;

$data = [
    'token' => $token,
    'address' => $address,
    'amount' => $amount,
];

$ch = curl_init('https://4clever.io/api/v1/transfer/send');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data, '', '&'));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_HEADER, false);
$result = json_decode(curl_exec($ch));
curl_close($ch);

print_r($result);
?>
```

--------------------------------

### POST /api/v1/transfer/send

Source: https://4clever.io/api/v1/transfer

Allows users to transfer funds to another wallet address using their API token.

```APIDOC
## POST /api/v1/transfer/send

### Description
Transfers funds from the authenticated user's wallet to a specified recipient wallet address.

### Method
POST

### Endpoint
https://4clever.io/api/v1/transfer/send

### Parameters
#### Request Body
- **token** (String) - Required - Your API authentication token.
- **address** (String) - Required - The wallet address to which the funds will be transferred.
- **amount** (String) - Required - The amount of funds to transfer.

### Request Example
```json
{
  "token": "YOUR_API_TOKEN",
  "address": "RECIPIENT_WALLET_ADDRESS",
  "amount": "300"
}
```

### Response
#### Success Response (200)
- **id** (String) - The unique identifier for the transfer operation.
- **amount** (String) - The amount of funds that were transferred.

#### Response Example
```json
{
  "id": "transfer_12345abcde",
  "amount": "300"
}
```
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.