Airwallex Billing vs Kill Bill
Airwallex Billing
airwallex.comKill Bill
killbill.ioSide by side
| Figure | Airwallex Billing | Kill Bill |
|---|---|---|
| Price from | $12/mo | $9,999/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | Yes |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 8 | 5 |
| Spec score · Dunning Management Software | 9.4 (#1) | 9.1 (#4) |
| Founded | 2015 | 2010 |
| Integrations | Listed integrations include Xero, QuickBooks, NetSuite, Dynamics 365 Business Central, Shopify, WooCommerce, Amazon, Odoo, Sage, Zapier and Salesforce Commerce Cloud. | The maker lists Stripe, Adyen, PayPal, Braintree, GoCardless, Coinbase, Avalara, and Vertex among its integrations. |
| Intended users | Airwallex describes Billing as built for global businesses and says its onboarding guidance covers product-led startups through sales-led enterprises. | The maker describes Kill Bill as serving online businesses, teams needing customization, startups, and growth-stage companies. |
| Invoicing | Users can issue one-time or recurring invoices, send digital payment links, automatically charge saved methods or record out-of-band payments. | Invoices are generated as billing events occur or on billing dates and support credits, adjustments, drafts and dry runs. |
| Public API | The REST API exposes invoice creation, retrieval, updates, finalization, payment, voiding, refunds and line-item operations through sandbox and production endpoints. | Kill Bill exposes REST and JSON over HTTP under /1.0/kb/ for tenants, catalogs, accounts, subscriptions, usage, invoices, payments, tags, custom fields and audit logs. |
| Rating on Capterra | 3.9 out of 5 from 15 reviews | 4.7 out of 5 from 17 reviews |
| Rating on G2 | 4.0 out of 5 from 56 reviews | 4.5 out of 5 from 2 reviews |
| Rating on GetApp | 3.9 out of 5 from 15 reviews | 4.7 out of 5 from 17 reviews |
| SDKs | Airwallex documents browser components, iOS, Android, Flutter, React Native and a beta TypeScript Node server SDK. | Client libraries are provided for Java, Ruby, Python, Go, PHP and JavaScript; additional community libraries include .NET. |
| Security | Airwallex says it is PCI DSS Level 1 certified, SOC 2 Type II certified, encrypts data in transit and at rest, and requires two-factor authentication. | The overview describes encryption at rest and in transit, TLS communications, AES-256 stored-data encryption, audit logs, role-based access controls, and multi-tenant isolation. |
| Subscription management | Subscriptions automatically generate invoices and collect recurring payments, with trials, upgrades, downgrades, proration and failed-payment retries. | The platform can create, change, pause, resume and cancel subscriptions with configurable policies and proration. |
| Support | The pricing page lists help centre articles and FAQs, email support, dedicated account management, onboarding support, and custom API implementation under Support. | The self-hosted open-source option includes community support, while paid support tiers are separately purchased for customer-managed deployments. |
| What it does | Airwallex Billing combines invoicing, recurring subscriptions, usage billing and payment collection on its global payments infrastructure. | Kill Bill is an open-source platform for subscription billing, usage billing, invoicing and payments. |
Plans
Airwallex Billing
- Subscription ManagementPriced on request
- Usage-based BillingPriced on request
- ExploreFree
- InvoicingFree
- Subscription Management$0.50, paid once
- Usage-based Billing$0.50, paid once
- Grow$12 a month
- AcceleratePriced on request
Kill Bill
- Kill Bill open sourceFree
- Self-Hosted Open SourceFree
- Aviate$9,999 a month
- AWS MarketplacePrice not published
- Hosted Platform (ChaChing)Priced on request
In their own words
Airwallex Billing
Airwallex Billing brings invoicing, subscriptions, and usage-based pricing together on a global payments platform. Businesses can bill in more than 130 currencies and collect through more than 160 global and local payment methods. Supported models include flat-fee, tiered, pay-as-you-go, and hybrid billing. The platform can send invoices, retry failed payments, issue reminders, and reconcile incoming payments with ERP and accounting software. Its tax automation calculates GST, VAT, and sales tax based on customer location and product category. Customers can manage products, pricing, invoices, and subscriptions in the web app or use APIs for custom integrations and workflows. Listed accounting integrations include Xero, QuickBooks, NetSuite, Microsoft Dynamics 365 Business Central, Odoo, and Sage. Airwallex says it is PCI DSS Level 1 and SOC 2 Type II certified, encrypts data in transit and at rest, and requires two-factor authentication. Invoicing is free. Usage-based Billing and Subscription Management each cost $0.50 transaction; Subscription Management supports free trials and pricing discounts. The company presents the service for global businesses from startups to enterprises.
Kill Bill
Kill Bill is an open-source, programmable billing platform with APIs for pricing models, subscriptions, invoices, and payment gateway integrations. It supports usage-based billing, and plugins connect its payment platform to gateways, issuing banks, and fraud tools. The web-based Kaui back-office interface lets teams configure price books and manage subscriptions and payments. Listed integrations include Stripe, Adyen, PayPal, Braintree, GoCardless, Coinbase, Avalara, and Vertex. Installation options include Docker and Tomcat; Kill Bill can run on Windows, Mac, or Linux computers, or on a Linux cloud server. Described security controls include encryption at rest and in transit, TLS communications, AES-256 stored-data encryption, audit logs, role-based access, and multi-tenant isolation. The self-hosted open-source option includes community support, but customers operate and upgrade it; paid support tiers are purchased separately for customer-managed deployments. The AWS Marketplace option is listed at ~$40/mo, plus AWS infrastructure costs. Hosted-platform pricing follows a separate commercial model. The maker describes the product as serving online businesses, customization-focused teams, startups, and growth-stage companies.