Top 20 NuGet billing Packages

Xamarin and Windows Plugin to In-App Billing. Get item information, purchase items, and restore purchases with a cross-platform API. Read the full documenation on the projects page.
An API Client for Recurly - Subscription billing automation.
This package installs the dotnet API to the Contensive Ecommerce Addon.
Supported Platforms: • NETFramework Create, parse, and send HL7 messages, thereby enabling your application to communicate with other HL7 applications and seamlessly participate in the enterprise environment. Create complete end-to-end enterprise medical applications that include DICOM, PACS, and ...
Xamarin Forms plugin for Android, IOS, TVOS and UWP. Fully cross platform uses latest platform specific in app purchases apis. For Android uses BillingClient, For UWP uses StoreContext and latest IOS in app billing Api.
Official .NET library and SDK for Upodi. Exposes the API client for using Upodi - subscription and billing management in any .NET framework (core 2.0+ and 4.5) applications. Support synchronious and asynchronious operations.
Recommended Google client library to access the Google Cloud Billing API, which allows you to define a budget plan and the rules to execute as spend is tracked against that plan.
Microsoft Azure Billing Management Library
An experimental API client library for the Billingbooth invoicing and billing engine.
.Net Standard Mpesa API Library for .NET developers.
Recommended Google client library to access thee Cloud Billing Budget API. This API stores Cloud Billing budgets, which define a budget plan and the rules to execute as spend is tracked against that plan.
Send and receive SMS messages with Intele AS API
Billing software for your SAAS business. Core library.
Provides low-level, dynamic functions for operating with the FreshBooks API.
.net library that reads data from the azure rest billing (ratecard and usage) apis and calculates the costs. (.net standard 1.4 and .net framework 4.5 and higher)
Billing software for your SAAS business. Front-end view helpers.
Objetos de Transferencia de Datos para la API REST de SIDE SAC. Estas clases permiten enviar los JSON adecuados para la Facturacion Electronica SUNAT de OpenInvoicePeru. Se requiere mínimo .NET 4.0
Cross platform licensing for Microsoft Azure storage table.
Objetos de Transferencia de Datos para la API REST de OpenInvoicePeru. Estas clases permiten enviar los JSON adecuados para la Facturacion Electronica SUNAT de OpenInvoicePeru. Se requiere mínimo .NET 4.0
Pasar montos y subtotales a texto; generar códigos de control y códigos QR de una factura computarizada boliviana. Más información disponible en: https://github.com/alexpizarroj/ImpuestosBolivianos.Net.