Payment Gateway Endpoint

1. Billplz
    - Production URL: https://www.billplz.com/api/v3/
    - Sandbox URL: https://billplz-staging.herokuapp.com/api/v3/

    + Create Bills: https://www.billplz.com/api/v3/bills/
	+ Get Bills: https://www.billplz.com/api/v3/bills/<Bill ID>

Reference: https://www.billplz.com

2. iPay88
    - Production URL:
      + Payment Posting: https://www.mobile88.com/epayment/entry.asp
      + Payment Requery:  https://www.mobile88.com/epayment/enquiry.asp

 	- No sandbox: Merchant need to test their account with RM1 transaction first before going live.

Reference: http://bit.ly/2hS5z1S

3. MolPay

    - Production URL:
	 + Payment: https://www.onlinepayment.com.my/MOLPay/pay/<Merchant ID>
	 + Payment Requery: https://www.onlinepayment.com.my/MOLPay/API/chkstat/returnipn.php

	- Sandbox: Use username: "molpaydemo"

Reference: http://bit.ly/2hYFoGr

4. PayPal

	- Production URL: https://api.paypal.com/v1/
    - Sandbox URL: https://api.sandbox.paypal.com/v1/

Reference: http://bit.ly/1Rs76If
Reference: http://bit.ly/2haZzEG

5. SenangPay

	- Production URL: https://app.senangpay.my/payment/<Merchant ID>
	 + (Optional) Recommended Return URL Parameters: ?status_id=[TXN_STATUS]&order_id=[ORDER_ID]&transaction_id=[TXN_REF]&amount=[AMOUNT]&hash=[HASH]
	- No Sandbox.

Reference: http://bit.ly/2h0yAGQ