Introduction

Specification

Loan repayment

Cash payment

BorrowerOriginator agentUSSD providerGrowr Payment serviceGrowr Loan servicePay loan instalment in cash1Enter phone number and amount2Request payment code3Generate payment code4Send payment code5Dictate the code6Enter the code7Enter the code8alt[Agent confirms the code][Borrower confirms the code]Provide the code9Confirm loan payment10Update loan11Confirm subscription update12Send SMS notification13BorrowerOriginator agentUSSD providerGrowr Payment serviceGrowr Loan service

Process steps:

  1. An originator agent visits a borrower and reminds him/her about an upcoming loan payment. The borrower pays the amount in cash to the agent.
  2. The agent registers the payment by entering the borrower’s phone number and the paid amount through a specific USSD menu.
  3. The USSD provider sends the request to the Growr Payment service.
  4. Growr Payment service generates a unique OTP code for the respective loan payment.
  5. Growr Payment service sends an SMS with the OTP code to the borrower.
  6. The borrower dictates the code to the agent.
  7. The agent enters the code to verify the transaction.
  8. Alternatively, the borrower enters the code by himself.
  9. The USSD provider sends the confirmed code to the Growr Payment service.
  10. Growr Payment service verifies the code and asserts the payment in front of the Growr Loan service.
  11. Growr Loan service registers the payment event and updates the loan - respectively increasing the paid amount and decreasing the due amount.
  12. Growr Loan service returns a confirmation to the Growr Payment service.
  13. Growr Payment service sends an SMS notification to the borrower.

Mobile payment

BorrowerUSSD providerMobile payment providerGrowr Payment serviceGrowr Loan serviceInitiate a payment1Request payment code2Generate payment code3Return payment code4Make a payment5Notify for payment6Verify payment code7Confirm payment8Update loan9Confirm loan update10Send SMS notification11BorrowerUSSD providerMobile payment providerGrowr Payment serviceGrowr Loan service

Process steps:

  1. According to the loan repayment schedule, a borrower initiates a payment request from the respective USSD menu.
  2. The USSD provider sends the request to the Growr Payment service.
  3. Growr Payment service generates a unique code (with a predefined prefix) for the respective loan payment.
  4. Growr Payment service sends an SMS with the payment code to the borrower.
  5. Using the provided code, the borrower makes a payment using his Mobile Money wallet.
  6. The Mobile payment provider detects a payment with the given prefix and notifies Growr Payment service about the transaction.
  7. Growr Payment service verifies the payment code from the transaction.
  8. Growr Payment service asserts the payment in front of the Growr Loan service.
  9. Growr Loan service registers the payment event and updates the loan.
  10. Growr Loan service returns a confirmation to the Growr Payment service.
  11. Growr Payment service sends an SMS notification to the borrower.

Onchain payment

In progress

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