Billing Settings

Configure payment gateways and billing options.

Overview

Billing settings allow you to:

• Connect payment gateways
• Configure invoice settings
• Set up tax options
• Manage payment methods

Payment Gateways

Zettabit supports popular Bangladesh payment gateways:

bKash

Mobile financial service integration.

Setup Steps

1. Go to Settings > Billing
2. Find bKash section
3. Enter credentials:
   • App Key - From bKash merchant portal
   • App Secret - From bKash merchant portal
   • Username - Merchant username
   • Password - Merchant password
4. Select environment:
   • Sandbox - For testing
   • Production - For real transactions
5. Click Test Connection
6. Save settings

bKash Configuration

SSLCommerz

Online payment gateway for cards and mobile banking.

Setup Steps

1. Go to Settings > Billing
2. Find SSLCommerz section
3. Enter credentials:
   • Store ID - From SSLCommerz panel
   • Store Password - From SSLCommerz panel
4. Select environment:
   • Sandbox - For testing
   • Production - For real transactions
5. Click Test Connection
6. Save settings

SSLCommerz Configuration

Testing Payment Gateways

Before going live:

1. Set environment to Sandbox
2. Save settings
3. Create a test subscription
4. Process a test payment
5. Verify transaction appears

Test Credentials

Use gateway-provided test credentials:

• bKash sandbox accounts
• SSLCommerz test cards

Invoice Settings

Invoice Prefix

Add a prefix to invoice numbers:

• Example: “INV-” produces INV-0001, INV-0002

Invoice Starting Number

Set the starting invoice number:

• Useful when migrating from another system

Invoice Footer

Custom text at the bottom of invoices:

• Payment terms
• Contact information
• Legal notices

Tax Configuration

Enable Tax

Toggle tax calculation on/off.

Tax Rate

Percentage added to package prices:

• Example: 15% VAT

Tax Name

Label shown on invoices:

• Example: “VAT” or “GST”

Tax Included in Price

Choose whether package prices include tax:

• Yes - ৳1000 includes tax
• No - ৳1000 + tax = ৳1150 (at 15%)

Payment Methods

Control which payment options are available:

• ☑ bKash
• ☑ SSLCommerz (Cards)
• ☑ SSLCommerz (Mobile Banking)
• ☐ Cash (Manual)

Automatic Billing

Enable Auto-Charge

Automatically charge renewals:

• Requires stored payment method
• Sends notification before charging

Retry Failed Payments

Configure retry attempts for failed payments:

• Number of retries
• Days between retries
• Final action (suspend/notify)

Saving Changes

1. Make your changes
2. Click Save
3. Test with a small transaction

Security Considerations

• Store API credentials securely (Zettabit encrypts them)
• Never share credentials
• Use sandbox for testing
• Monitor for suspicious transactions

Troubleshooting

”Payment gateway connection failed”

Check:

• Credentials are correct
• Account is active with gateway
• Environment matches (sandbox vs production)

“Transaction declined”

Verify:

• Customer has sufficient balance/credit
• Card is not expired
• Gateway account is in good standing

”Invoice tax incorrect”

Review:

• Tax rate setting
• Tax included/excluded setting
• Per-package tax overrides

Required Permissions

To modify billing settings:

• settings:update permission
• Admin role recommended for payment gateway configuration