
Airwallex Billing
8.0#3 in dunning management softwareFrom $12 a monthFree planAndroidiOSWebAPI
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| Fact | Airwallex Billing | UniBee |
|---|---|---|
| Billing models | The documentation covers one-off invoices, flat subscriptions, per-unit subscriptions, tiered pricing and usage-based charges. | It supports one-time purchases, recurring billing, usage-based billing, tiered pricing, promotions, and flexible billing frequencies. |
| Documentation depth | The documentation includes API reference, product guides, webhooks, SDKs, CLI material, sandbox testing and security guidance. | The documentation includes API reference pages with cURL, Python, JavaScript, PHP, Go, Java and Ruby examples plus schemas and sandbox URLs. |
| Headquarters | Singapore and San Francisco | The official site footer says UniBee is built in Tallinn. |
| Integrations | Listed integrations include Xero, QuickBooks, NetSuite, Dynamics 365 Business Central, Shopify, WooCommerce, Amazon, Odoo, Sage, Zapier and Salesforce Commerce Cloud. | The site lists more than 25 integrations, including Mixpanel, MailChimp, HubSpot, Twilio, Xero, Stripe, QuickBooks, PayPal and Zapier. |
| Intended users | Airwallex describes Billing as built for global businesses and says its onboarding guidance covers product-led startups through sales-led enterprises. | The subscription management page describes UniBee as built for international subscription businesses and names mid-market SaaS and AI companies through established enterprises as users. |
| Invoicing | Users can issue one-time or recurring invoices, send digital payment links, automatically charge saved methods or record out-of-band payments. | The system generates invoices automatically, supports custom templates and taxes, and can email or produce PDF invoices. |
| Public API | The REST API exposes invoice creation, retrieval, updates, finalization, payment, voiding, refunds and line-item operations through sandbox and production endpoints. | The API uses authenticated REST endpoints with Bearer API keys and separate production and sandbox hosts. |
| Rating on Capterra | 3.9 out of 5 from 15 reviews | 5.0 out of 5 from 3 reviews |
| Rating on G2 | 4.0 out of 5 from 56 reviews | 5 out of 5 from 6 reviews |
| Rating on GetApp | 3.9 out of 5 from 15 reviews | 5.0 out of 5 from 3 reviews |
| SDKs | Airwallex documents browser components, iOS, Android, Flutter, React Native and a beta TypeScript Node server SDK. | Official public clients are available for Node.js/TypeScript, Go, Java, PHP, Python and Ruby. |
It suits businesses billing across currencies or using recurring and usage-based pricing. Teams can manage billing in the web app or build custom integrations using APIs.
UniBee may suit international subscription businesses, including mid-market SaaS and AI companies, that need subscription or metered billing. It offers a self-hosted route as well as managed cloud deployment.