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Billing and Invoicing Software with API (2026) - Page 17

Last updated: March 2026

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576 software options

Asaas logo

Asaas is a financial management platform for businesses

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Asaas is financial management software for businesses that offers access to a complete digital account, allowing the anticipation of receivables from installment sales, automates invoices, and provides information on customer credit scores and financial issues. Available in Portuguese for Brazil.

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billfaster logo

easy-to-use accounting software for small business

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billfaster is an online accounting web application that provides startups, freelancers, and small businesses the fastest way to account for their business.
7 second invoicing, 3 second expense tracking and automated accounting enables its users to be up & running straight away.

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Munim Accounting and Billing logo

Digital Munim For Your Business

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With this software, you can easily create and manage ledgers, sales invoices, purchase bills, GST billing, report management, and many more.

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NextBill logo

Simplifying Invoices, Amplifying Success

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NextBill is automated invoicing software with multi-currency support and built-in analytics for business finance management.

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omniBooks logo

The all-in-one cloud financial and accounting software

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Powerful online accounting software for all your business finance management needs. Grow and track your business with omniBooks.

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omniBilling logo

Powerful online billing software for all your payments

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From start to finish, manage your customer subscription billing life cycle with ease using Omnibasis. Automate recurring billing, manage subscriptions, send professional invoices, and ensure timely payments every time.

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Dokapi logo

Cloud-based & AI-driven document processing platform

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IxorDocs is a cloud-based, AI-driven platform for automated financial document processing, known for its OCR technology and efficiency in handling various document types.

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Facturama logo

Your easiest way to issue SAT-compliant invoices.

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Create and send SAT-compliant CFDI 4.0 invoices in minutes. Automate billing, manage clients, and track payments with Facturama’s easy-to-use invoicing platform.

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Opencell logo

Stop selling product. Start selling recurring services.

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Opencel is a subscription management platform that helps businesses streamline the billing and invoicing processes on a centralized dashboard. It provides businesses with the tools they need to take control of their revenue streams, enhance customer experiences, and adapt to the ever-evolving subscription economy.

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GoldFinch ERP logo

Enterprise resource planning software

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One Unified ERP Solution

GoldFinch ERP offers a complete ERP solution for distributors and manufacturers on the Salesforce platform. Certified & 100% Native application. A modern design to enhance productivity.

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Storecove logo

E-invoicing for Software Providers

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Are customers asking for complex and time-consuming e-invoicing features? Become a partner to provide advanced e-invoicing solutions to other companies. We build the products, you handle the integrations. Request a test account to get started.

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easybill logo

Comprehensive cloud-based software designed for invoicing

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easybill is software for writing invoices with product and customer management features. There are interfaces available for Amazon, eBay, Shopware, Shopify and others. Easybill can issue alerts and reminders automatically. Data is imported in CSV and XLS formats or via REST API.

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Contasimple logo

Billing and invoicing solution

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Contasimple is a cloud-based billing and invoicing solution designed for freelancers, small businesses, and accounting firms. The platform streamlines accounting processes by enabling users to create and send professional invoices from any device while ensuring compliance with electronic invoicing regulations including Verifactu standards. The system maintains complete traceability of all transactions and automatically submits required documentation to tax authorities.

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incwo logo

Cloud-based business management software

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incwo is a cloud-based software designed to help businesses in manufacturing, automotive, trading, finance, and other industries manage sales, purchases, inventory, production, and more via a unified portal. The application enables organizations to configure accounting codes for suppliers, customers, expense accounts, and taxes, export entries to journals, connect bank accounts to import and reconcile statements, and handle cashflow.

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ddSuite logo

Digital documentation and maintenance management system

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-Convenient billing after completion of work orders.
-Direct invoicing of material and quantity immediately after order completion.
-Deposit of product prices for direct billing.

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Alegra logo

Accounting & billing for SMEs and accountant.

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Alegra is an accounting software designed for small to mid-sized businesses and accountant. The product provides tools for general ledger, accounts receivable, accounts payable, bank reconciliation, and financial reporting. Alegra integrates with popular ecommerce platforms and POS systems.

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Blue Note Systems logo

CRM software to manage leads, sales, quotes & campaigns

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Blue note systems, based on SugarCRM, is a cloud-based customer relationship management (CRM) software designed to help businesses handle the entire sales cycle, from prospecting to providing customer service. Features include multi-channel marketing, lead nurturing, real-time analytics, and more.

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metasfresh logo

License-free business software: customizable & updatable

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metasfresh ERP is a state-of-the-art, agile, license-free ERP software developed by metas GmbH from Germany. It is the first license-free open source ERP system for medium-sized companies from industry and trade in the DACH region that is able to compete with market-leading proprietary systems.

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Cegid PHC GO logo

Online business management solution in Portuguese

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Easy invoicing for painless billing.

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Flint Mobile Payments logo

Mobile Credit Card Processing (USA Only)

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Flint enables small businesses to accept credit cards from their phone via mobile app without magnetic card readers.It uses camera to capture the credit card number. It can send an invoice via email and can denote acceptance of cash into transaction log and deliver digital receipts.

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Flexio logo

Take control of your finances and get paid on time.

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Flexio is an easy-to-use collection system that helps businesses to collect payments on time. It automates tasks, allowing teams to streamline processes and discover opportunities in accounts receivable. This system provides constant visibility of cash flow, customer collections, and accounts.

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Cimmra eInvoicing and AP Management logo

Invoicing Software

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Full-featured invoicing software solution that helps large organizations manage their AP process, from payment to settlement and reconciliation.

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Aria Platform logo

Agile monetization platform

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Manage your entire subscriber lifecycle for multiple recurring revenue models, sales channels and products/services – boosting customer loyalty, ousting the competition and driving sales. Get the revenue you deserve by automating accounting, reporting and forecasting with a single capture source for revenue generation activities.

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Progressus logo

Project Accounting Software Built on Dynamics 365 ERP

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Progressus, the first project accounting software built on Dynamics 365 Business Central, offers various features to streamline project management. Key functionalities include a Project Setup Wizard, adaptable task structures, efficient resource management, and the flexibility of customizations.

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Tiime Invoice logo

Simplify invoicing. Save time. Stay compliant.

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Tiime is a free online invoicing software that provides a simple solution for creating customized invoices and estimates. Users can access templates through the app or website to streamline their billing process. The software offers features like recurring invoicing, purchase management, and expense tracking to help businesses stay organized and efficient.

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