[
  {
    "amount": 1,
    "count": 2,
    "unit": "шт.",
    "name": "USB"
  },
  {
    "amount": 10,
    "count": 1,
    "unit": "шт.",
    "name": "Телефон"
  }
]

{
  "airLine": "S4", // абревіатура авіакомпанії, max довжина 4 символа.
  "ticketNumber": "ACSFD12354SA", // номер билета, max довжина 15 символів. 
  "passengerName": "John Doe", // имя пассажира, max довжина 29 символів.
  "flightNumber": "742", // номер рейса, max довжина 5 символів.
  "originCity": "DP", // код города/аэропорта вылета, max довжина 5 символів.
  "destinationCity": "NY", // код города/аэропорта назначения, max довжина 5 символів.
  "departureDate": "100514" // дата вылета в формате YYMMDD, max довжина 6 символів.
}

[
  {
    "public_key": "i000000001",
    "amount": 1,
    "commission_payer": "sender",
    "server_url": "https://server1/callback"
  },
  {
    "public_key": "i000000002",
    "amount": 2,
    "commission_payer": "receiver",
    "server_url": "https://server2/callback"
  }
]

#!/bin/bash
PUBLIC_KEY='your_public_key'
PRIVATE_KEY='your_private_key'
API_URL='https://www.liqpay.com/api/request'
JSON="{ 
	\"action\" : \"invoice_bot\",
    \"version\" : 3,
    \"public_key\" : \"${PUBLIC_KEY}\", 
    \"amount\" : 200,
    \"currency\" : \"USD\",
    \"order_id\" : \"order_id_1\",
    \"channel_type\" : \"telegram\", 
    \"account\" : \"1234567\"
}"
# DATA is besa64 encode result from JSON string
DATA=$(echo -n ${JSON} | base64)
# SIGNATURE is base64 encode result from sha1 binary hash from concatenate string ${PRIVATE_KEY}${DATA}${PRIVATE_KEY}
SIGNATURE=$(echo -n "${PRIVATE_KEY}${DATA}${PRIVATE_KEY}" | openssl dgst -binary -sha1 | base64)
# REQ is json response from liqpay
REQ=$(curl --silent -XPOST ${API_URL} --data-urlencode data="${DATA}" --data-urlencode signature="${SIGNATURE}")
echo "Result: ${REQ}"

$liqpay = new LiqPay($public_key, $private_key);
$res = $liqpay->api("request", array(
'action'    => 'invoice_bot',
'version'   => '3',
'amount'    => '200',
'currency'  => 'USD',
'order_id'  => 'order_id_1',
'channel_type'  => 'telegram',
'account'  => '1234567'
));

HashMap params = new HashMap();
params.put("action", "invoice_bot");
params.put("version", "3");
params.put("amount", "200");
params.put("currency", "USD");
params.put("order_id", "order_id_1");
params.put("channel_type", "telegram");
params.put("account", "1234567");

LiqPay liqpay = new LiqPay(PUBLIC_KEY, PRIVATE_KEY);
HashMap res = liqpay.api("request", params);		
System.out.println(res.get("result"));

liqpay = LiqPay(public_key, private_key)
res = liqpay.api("request", {
"action"    : "invoice_bot",
"version"   : "3",
"amount"    : "1",
"currency"  : "USD",
"order_id"  : "order_id_1",
"channel_type"  : "telegram",
"account"  : "1234567"
})

liqpay = Liqpay::Liqpay.new(
:public_key  => 'public_key',
:private_key => 'private_key'
)
res = liqpay.api("request", {
:action   => "invoice_bot",
:version  => "3",
:amount   => "1",
:currency => "USD",
:order_id => "order_id_1",
:channel_type => "telegram",
:account => "1234567"
})

LiqPay = liqpay:init(PublicKey, PrivateKey),
Res = liqpay:api("request", [
{<<"action">>, <<"invoice_bot">>},
{<<"version">>, <<"3">>}, 
{<<"email">>, <<"[email protected]">>}, 
{<<"amount">>, <<"1">>}, 
{<<"currency">>, <<"USD">>}, 
{<<"order_id">>, <<"order_id_1">>}, 
{<<"channel_type">>, <<"telegram">>}, 
{<<"account">>, <<"1234567">>}
], LiqPay)

var LiqPay = require('liqpay');
var liqpay = new LiqPay(public_key, private_key);
liqpay.api("request", {
"action"   : "invoice_bot",
"version"  : "3",
"email"    : "[email protected]",
"amount"   : "1",
"currency" : "USD",
"order_id" : "order_id_1",
"channel_type" : "telegram",
"account" : "1234567"
}, function( json ){
console.log( json.result );
});

my $liqpay = Liqpay->new($public_key,$private_key);
my $res = $liqpay->api("request",
{
'action'   => 'invoice_bot',
'version'  => '3',
'email'    => '[email protected]',
'amount'   => '1',
'currency' => 'USD',
'order_id' => 'order_id_1',
'channel_type' => 'telegram',
'account' => '1234567'
}
);

	<form name="MPIform" action='${mpi_req_url}' method="POST">
		 <input type="hidden" name="PaReq" value='${mpi_req_pareq}'>
		 <input type="hidden" name="MD" value='${mpi_req_md}'>
		 <input type="hidden" name="TermUrl" value='${TermUrl}'>
	</form>
	

{
"result": "ok",
"bot_name": "LiqPayWallet",
"bot_in_contacts" : true
}