Payment

To process a transaction using Rest API end point, the data can be send using GET POST to https://merchant.paywiser.com/api/api.php/{sid}/singletx. Replace {sid} with the sid being used to send transaction to.The result of the transaction will be send as a json repsone and a post to the postback_url

Payment Parameters

Name	Required (Yes or No)	Description
sid	YES	Site id (unique identifier for the web site)
tid	NO	Tracking id (must be unique for each transaction)
postback_url	YES	The URL of the page used to recieve the TxHandler postback. The response can be read from $_POST array.
hash	YES	md5 hash of sid+timestamp+amounttotal+currency+rcode ie: md5(’22’.’1234568995265421′.’17.00′.’CNY’.’222b6c’) REMARK : amounttotal = (item_amount_unit[] * item_quantity ) + amount_shipping + amount_tax – amount_coupon
timestamp	YES	ie: 1234568995265421
card_type	YES	qrpay
firstname	YES	Frist name of the customer
lastname	YES	Last name of the customer
phone	YES	10 to 14 numeric digits
email	YES	Email
mobile	NO	Mobile number
address	NO	Customer address
suburb_city	NO	Customer suburb or city
state	NO	Customer state, 2 digit code for US/Canada
postcode	NO	Customer postcode/zipcode
country	NO	Customer country, ISO 3166 2 digit code
currency	YES	Transaction currency[currency in which the gateway is setup], ISO 3 letter code ie : CNY
amount_shipping	YES	Transaction shipping amount. 0.00 if nothing
amount_coupon	YES	Coupon amount. 0.00 if nothing
amount_tax	YES	Transaction shipping amount. 0.00 if nothing
item_quantity[]	YES	Quantity of each cart item
item_name[]	YES	Article names for each cart item
item_no[]	YES	Descriptions for each cart item
item_desc[]	YES	Descriptions for each cart item
item_amount_unit[]	YES	Price per unit for each cart item in two decimal place
ref1	NO	Merchant reference field
ref2	NO	Merchant reference field
ref2	NO	Merchant reference field
ref3	NO	Merchant reference field
ref4	NO	Merchant reference field
tx_action	NO	PREAUTH

Response

There will be two responses one with tx_action =PREAUTH and another withtx_action = SETTLEMENT. The transaction is completed when you receive the response with tx_action=SETTLEMENT. The response will have the parameters as below

Name	Required (Yes or No)	Description
sid	String	Has the sid where transaction was processed
status	String	Has the value “OK” for a successful transaction, or “EXC” for a failed transaction.
parent_txid	String	Parent transaction id
txid	String	The transaction ID
tx_action	String	The state change txaction, e.g. “PREAUTH” or “SETTLEMENT”
amount	String	The amount processed.
currency	String	The currency in which the transaction was processed
comment	String	Response from the gateway
descriptor	String	Gateway descriptor name
tid	String	From the original transaction
ref1	String	From the original transaction
ref2	String	From the original transaction
ref3	String	From the original transaction
ref4	String	From the original transaction
vrfy	String	This is a sha 256 hash so the data can be verified. To generate hash with sha256 the string of sid;rcode;txid;status;amount;currency;tx_action
error		If an error has occurred, then the status value will equal “EXC” and these parameters will be sent as well. Detailed error will be present only if we receive it from the processing gateway.
error_type	String	error_type
error_sys	String	The system that caused the error (client or server)
error_msg	String	The error message
error_info	String	Error information that contains the bank message and bank code
error_code	String	error_code

Sample Form

POST /api/api.php/61/singletx?
sid=61&hash=3af0dc9167a92e0334cf64e21c63d7f5&timestamp=1234567 &postbac
k_url=http://merchant.paywiser.com/postbackreturn.php&amount_shipping=0.00&amo
unt_tax=0.00&amount_coupon=0.00&card_type=qrpay&item_quantity[]=1&ite m_name[]=1
68C8699&item_no[]=168C8699&item_desc[]=2324343443&item_amount_unit[]=31.10&
currency=CNY&email=test@gmail.com&ref1=123test HTTP/1.1
Host: merchant.paywiser.com
Content-Type: application/x-www-form-urlencoded