Troubleshooting Guide

Common issues and their solutions for Marz Pay

Common Issues

401 Unauthorized Error

Your API key is invalid or missing.

Solution: Check your API key and ensure it's included in the Authorization header

Invalid Phone Number

Phone numbers must be in the correct format.

Solution: Use format 256XXXXXXXXX (Uganda country code + 9 digits)

Insufficient Balance

Your account doesn't have enough balance for the transaction.

Solution: Add funds to your account or check your current balance

Payment Failed

The mobile money provider rejected the transaction.

Solution: Check the error message and try again, or contact support

Error Codes

Code Description Solution
INVALID_PHONE Invalid phone number format Use 256XXXXXXXXX format
INSUFFICIENT_BALANCE Account balance too low Add funds to account
PROVIDER_UNAVAILABLE Mobile money provider down Try again later
INVALID_AMOUNT Amount outside allowed range Use amount between 100-1,000,000 UGX

Still Need Help?

If you're still experiencing issues, our support team is here to help.