Payment options modes

Payment option mode config	Description
OTP PUSH	The customer will first have to verify their phone number through an OTP (One Time Pin) via SMS before receiving a sim tool kit PIN prompt on their phone.
STK PUSH	The customer will receive a STK(SIM Tool Kit) prompt on their phone for them ton input their PIN, once they select the payment option.
USSD PUSH	The customer will receive a USSD PIN prompt on their phone, on confirming they would want to pay a given amount.
INSTRUCTIONAL	The payment method will be purely instruction based and the customer will have to follow instructions displayed / sent to them to complete payment.
PUSH WITH INSTRUCTIONS	The customer receive both a prompt and instruction. The instructions are to give guidance in case they missed the prompt or give further details i.e supported banks.
EXTERNAL PROCESSING	The customer gets redirected out of the checkout page within an I-frame to authorise a payment.
USSD STRING REFERENCE	A USSD code will be generated for the customer to appended to the bank's code which a customer will dial to complete their payment.