Platform Capability
Taxes Calculated, Invoices Delivered, Compliance Met
Automate tax calculation, generate professional invoices, and maintain a complete audit trail. Kill Bill handles multi-jurisdiction tax rules, custom invoice templates, and the compliance controls finance teams require.
Trusted by companies processing billions in revenue
Capabilities
What You Can Do
From tax calculation to audit-ready records, every financial control in one platform.
Automated Tax Calculation
The Aviate Tax module applies country-specific tax codes and rates at invoice time. Configure tax rules per product, jurisdiction, and customer type. Taxes are calculated automatically and itemized on every invoice.
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Avalara Integration
Connect to Avalara AvaTax for real-time tax rate lookups across thousands of jurisdictions. Kill Bill sends transaction data to Avalara, receives calculated tax amounts, and applies them to invoices seamlessly.
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Vertex Integration
Connect to Vertex for automated tax calculation across jurisdictions. Kill Bill's Vertex plugin sends transaction data and applies calculated tax amounts to invoices automatically.
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Custom Invoice Templates
Design invoice layouts that match your brand. Kill Bill's invoice template plugin lets you control every detail: logos, line items, tax breakdowns, payment terms, and localized formatting for global customers.
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Multi-Currency Invoicing
Invoice customers in their local currency. Each account's currency is set at creation, and all charges, taxes, and credits are processed in that currency. No manual conversion needed.
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Immutable Audit Logs
Every invoice, payment, adjustment, and refund is recorded in an append-only audit log. Nothing is deleted or overwritten. Auditors and compliance teams get a tamper-proof record of all financial activity.
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Access Controls and Security
Role-based access control (RBAC) with LDAP and Active Directory integration. Define who can view, create, or modify invoices, refunds, and financial data. These technical controls support your PCI and GDPR compliance efforts.
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How It Works
From Charge to Compliant Invoice
1
Configure Tax Rules
Set up the Aviate Tax module with your jurisdiction rules, or connect Avalara for automatic rate lookups. Map products to tax codes. Configure exemptions and special rates as needed.
2
Generate Invoices
As billing cycles run, Kill Bill calculates charges, applies taxes, and generates invoices with full line-item detail. Your custom template formats the invoice for customer delivery.
3
Audit and Report
Access the complete audit trail through APIs or the admin UI. Every charge, tax calculation, adjustment, and payment is logged. Export data for accounting systems, tax filings, and compliance reviews.
Why Kill Bill
Why Teams Choose Kill Bill for Compliance
Audit-Ready by Default
Immutable logs, versioned records, and complete transaction history. When auditors ask questions, the data is there, unchanged and traceable from source to invoice.
Tax Accuracy at Scale
Whether you handle taxes internally or through Avalara, calculations are applied consistently across millions of invoices. No manual lookups, no spreadsheet errors.
Global-Ready Invoicing
Multi-currency support, localized formatting, and jurisdiction-aware tax rules let you invoice customers worldwide from a single platform.
Reduced Manual Work
Automated tax calculation, template-driven invoice generation, and integrated payment collection replace manual processes. Finance teams focus on analysis, not data entry.
Security and Access Control
RBAC, LDAP integration, and security controls that support PCI compliance are included. Define granular permissions so the right people access the right data.
Full Data Ownership
Self-host your billing data to meet data residency and sovereignty requirements. Your financial records live on your infrastructure, under your control.
FAQs
Frequently Asked Questions
Does Kill Bill handle sales tax in all US states?
With Avalara integration, yes. Avalara maintains tax rates and rules for every US jurisdiction. Kill Bill sends transaction details to Avalara and applies the returned tax amounts to invoices. For simpler setups, you can also configure fixed tax rates per jurisdiction directly.
Can I customize the invoice format?
Yes. Kill Bill supports custom invoice templates through its plugin system. You can control the layout, branding, line-item presentation, tax breakdowns, and localization. Templates are written in standard HTML and can be updated without redeploying the platform.
How are refunds and credit memos handled?
Refunds and credit memos are first-class operations in Kill Bill. Each one generates an audit record, adjusts account balances, and is reflected in the invoice history. Tax adjustments are recalculated automatically when charges are reversed.
Is Kill Bill GDPR compliant?
Kill Bill provides the technical controls needed for GDPR compliance: data access APIs, self-hosting for data residency, RBAC for access control, and audit logs for accountability. Your organization applies these controls according to your specific compliance requirements.
Ready for Audit-Ready Billing?
See how Kill Bill handles taxes, invoicing, and compliance controls. Start with the sandbox or talk to our team about your requirements.