Regular billing of your clients by server-server method

Forming a request to API for self-integration:
Example of using SDK:
	\"action\" : \"subscribe_update\",
	\"version\" : 3,
	\"public_key\" : \"${PUBLIC_KEY}\", 
	\"order_id\" : \"order_id_1\",
	\"amount\" : 1,
	\"currency\" : \"USD\",
	\"description\" : \"description text\"
# DATA is base64_encode result from JSON string
DATA=$(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'        => 'subscribe_update',
'version'       => '3',
'order_id'      => 'order_id_1',
'amount'        => '1',
'currency'      => 'USD',
'description'   => 'description text'
HashMap<String, String> params = new HashMap<String, String>();
params.put("action", "subscribe_update");
params.put("version", "3");
params.put("order_id", "order_id_1");
params.put("amount", "1");
params.put("currency", "USD");
params.put("description", "description text");

LiqPay liqpay = new LiqPay(PUBLIC_KEY, PRIVATE_KEY);
HashMap<String, Object> res = liqpay.api("request", params);		
from liqpay import LiqPay

liqpay = LiqPay(public_key, private_key)
res = liqpay.api("request", {
"action"        : "subscribe_update",
"version"       : "3",
"order_id"      : "order_id_1",
"amount"        : "1",
"currency"      : "USD",
"description"   : "description text"
liqpay =
:public_key  => 'public_key',
:private_key => 'private_key'
res = liqpay.api("request", {
:action        => "subscribe_update",
:version       => "3",
:order_id      => "order_id_1",
:amount        => "1",
:currency      => "USD",
:description   => "description text"
LiqPay = liqpay:init(PublicKey, PrivateKey),
Res = liqpay:api("request", [
{<<"action">>,      <<"subscribe_update">>},
{<<"version">>,     <<"3">>},
{<<"order_id">>,    <<"order_id_1">>},
{<<"amount">>,      <<"1">>},
{<<"currency">>,    <<"USD">>},
{<<"description">>, <<"description text">>}
], LiqPay)
var LiqPay = require('liqpay');
var liqpay = new LiqPay(public_key, private_key);
liqpay.api("request", {
"action"       : "subscribe_update",
"version"      : "3",
"order_id"     : "order_id_1",
"amount"       : "1",
"currency"     : "USD",
"description"  : "description text"
}, function( json ){
console.log( json.status );
my $liqpay = Liqpay->new($public_key,$private_key);
my $res = $liqpay->api("request",
'action'        => 'subscribe_update',
'version'       => '3',
'order_id'      => 'order_id_1',
'amount'        => '1',
'currency'      => 'USD',
'description'   => 'description text'
Init("my_public_key", "my_private_key")
Api("request", map[string]interface{}{
    "action": "subscribe_update",
    "version": 3,
    "public_key": PublicKey,
    "order_id": "order_id_1",
    "amount": 1,
    "currency": "UAH",
    "description": "Test payment",
Options for generating data:
Parameter Required Type Description
version Required Number Version API. Current value - 3
public_key Required String Public key - the store identifier. You can get the key in the store settings
action Required String subscribe_update
amount Required Number Payment amount. For example: 5, 7.34
card Required String Card number of the payer
card_cvv Required String CVV/CVV2
card_exp_month Required String Expiry month of the payer's card. For example: 08
card_exp_year Required String Expiry year of the payer's card.For example: 19
currency Required String Payment currency. Possible values: USD, EUR, RUB, UAH
description Required String Payment description.
order_id Required String Unique purchase ID in your shop. Maximum length is 255 symbols.
Example response:
  "action": "subscribe",
  "payment_id": 165156,
  "status": "subscribed",
  "version": 3,
  "paytype": "token",
  "public_key": "i000000000",
  "acq_id": 414963,
  "order_id": "98R1U1OV1485849059893399",
  "liqpay_order_id": "NYMK3AE61501685438251925",
  "description": "description text",
  "sender_phone": "380950000001",
  "sender_card_mask2": "414961*99",
  "sender_card_bank": "pb",
  "sender_card_type": "visa",
  "sender_card_country": 804,
  "card_token": "2DFBFE846B734166230DE81E971E948D6F260",
  "amount": 0.02,
  "currency": "UAH",
  "sender_commission": 0.0,
  "receiver_commission": 0.0,
  "agent_commission": 0.0,
  "amount_debit": 0.02,
  "amount_credit": 0.02,
  "commission_debit": 0.0,
  "commission_credit": 0.0,
  "currency_debit": "UAH",
  "currency_credit": "UAH",
  "sender_bonus": 0.0,
  "amount_bonus": 0.0,
  "mpi_eci": "7",
  "is_3ds": false,
  "create_date": 1501680854599,
  "end_date": 1501680854599,
  "transaction_id": 165156
Response parameters
Parameter Type Description
acq_id Number Acquirer ID
action String Transaction type. Possible values: pay - payment, hold - amount of hold on sender's account, paysplit - splitting payments, subscribe - creation of a regular payment, paydonate - donation, auth - card preauth, regular - regular payment
agent_commission Number Agent comission in payment currency
amount Number Payment amount
amount_bonus Number Payer bonus amount in payment currency debit
amount_credit Number Payment amount for credit in currency of currency_credit
amount_debit Number Payment amount for debit in currency of currency_debit
card_token String Sender's card token
commission_credit Number Commission from the receiver in currency_credit
commission_debit Number Commission from the sender in currency_debit
create_date String Date of payment creation
currency String Payment currency
currency_credit String Transaction currency of credit
currency_debit String Transaction currency of debit
description String Payment description
end_date String Date of payment edition/end
is_3ds Boolean Possible values:
true - transaction passed with 3DS,
false - transaction passed without 3DS
liqpay_order_id String Payment order_id in LiqPay system
mpi_eci Number Possible values: 5 - the transaction passed with 3DS (issuer and acquirer support 3d Secure technology), 6 - the issuer of the payer card does not support 3d Secure technology, 7 - the operation passed without 3d Secure
order_id String Order_id payment
payment_id Number Payment id in LiqPay system
paytype String Methods of payment. Possible values card - card payment, liqpay - with liqpay account, privat24 - with privat24 account, masterpass - with masterpass account, moment_part - installments, cash - cash, invoice - to email, qr - qr code scanning.
public_key String Shop public key
receiver_commission Number Receiver comission in payment currency
sender_bonus Number Sender's bonus in the payment currency
sender_card_bank String Sender's card bank
sender_card_country String Sender's card country. Digital ISO 3166-1 code
sender_card_mask2 String Sender's card
sender_card_type String Sender's card type MC/Visa
sender_commission Number Commission from the sender in the payment currency
sender_phone String Sender's phone number
status String Payment status.
Available values:
Final payment statuses
error Failed payment. Data is incorrect
failure Failed payment
reversed Payment refunded
subscribed Subscribed successfully framed
success Successful payment
transaction_id Number Id transactions in the LiqPay system
version Number Version API. Present value - 3