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Billing and Invoicing Software with API (2026) - Page 19

Last updated: April 2026

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600 software options

InvoiceSherpa logo

Invoice payment reminder app

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InvoiceSherpa is an invoice management and debt recovery application that helps to track and follow up with overdue payments. It integrates with major accounting apps, automatically extracting invoice and customer data from the core accounting software, and updating the data when payments are made.

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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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goTom logo

Business intelligence and order management solution

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goTom is an ad sales management that helps businesses unify every aspect of selling digital advertising campaigns. The platform empowers media owners to streamline complex ad sales management processes, allowing sales teams to focus more on customer development and less on other tasks.

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Invoice Generator logo

Effortless Invoicing, Faster Payments.

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Invoice Generator makes it easy to create and send invoices.

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ProGesSi logo

Choose your ERP, choose your customization, choose ProgeSsi.

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A collaborate turnkey tool combining artificial intelligence (AI) with an on-demand team of engineers: we provide DSC of all sizes with the ideal tailor-made device for their management

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Simpro logo

AI-first operating platform for the trades

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Simpro is a powerful field service management software solution that helps trade industries streamline operations to increase profits.

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PaperSave logo

Free your team from manual processes.

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GenAI enhanced AP Automation & Document Management solution for Oracle, Netsuite, Dynamics, Sage, and Blackbaud.

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Airwallex logo

Payment and financial management solution

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Airwallex provides global businesses with an all-in-one account to help businesses grow and operate globally, offering access to domestic and foreign currency accounts, high speed international transfers, global bill pay, online payment links and plugins, multi-currency cards, expense management, software integrations and APIs to programmatically manage finances.

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Billhighway logo

Got Chapters? Billhighway is a Chapter Management Solution.

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Billhighway increases visibility to chapter financial data. We understand tying dollars to member activity & engagement is critical to making a case to provide best-in-class member experiences. If you have chapters, full visibility into your association’s chapter finances shouldn't be complicated.

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Zuora logo

Commerce, Billing & Finance to Power Subscription Businesses

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Use Zuora to manage your subscription billing with customizable invoices, tax management, billing in 200+ currencies, automated billing, billing rules, and more

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a3factura logo

Invoicing, budgeting, and billing software for SMEs in Spain

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a3factura is Spanish-language software designed to issue budgets and invoices for SMEs and freelancers in Spain. It also manages collections and payments and prepares statistics on customers, products, and their profitability, and enables connection with the account manager. It is based in the cloud and accessible from any device.

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ToolTime logo

User-friendly job management software for tradespeople

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ToolTime is a user-friendly software that revolutionises job management for tradespeople. ToolTime users can generate quotes and invoices in seconds, document jobs on the go, accurately track and manage time, schedule appointments and much more.

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IFS Cloud logo

IFS Cloud is a composable enterprise software application.

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A composable enterprise application delivering ERP, Service Management and Enterprise Asset Management capabilities on a single platform with IFS.ai as the backbone of the solution.

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Veem logo

Cloud-based payment processing and invoice management tool

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Veem offers advanced payment processing technologies that help business owners establish or strengthen stakeholder and supplier relationships. Key attributes include payment analytics, invoicing, receipt printing, MIS reports, multiple payment methods, purchase order control, and bookkeeping.

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MYOB Business logo

Online accounting & payroll for every business

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Online accounting software that gives a more accurate view of your cash flow and make your tax obligations easier by storing your bills and supplier invoices

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Ivalua logo

ALL Spend, ALL Suppliers, ONE Platform

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Ivalua is a cloud-based Source-to-Pay platform powered by AI Agents. Recognized as a leader by Gartner and Forrester, Ivalua empowers organizations to enhance spend visibility, automate procurement processes, manage contracts, & improve supplier collaboration across the entire purchasing lifecycle.

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Virtuagym logo

All-in-One Gym, Studio & PT Management Software

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Virtuagym offers fitness software solutions to personal trainers, independent studios and gym chains of all sizes. Reduce administration time with our simple and secure billing solution designed for fitness businesses. Accept payments anywhere, from the front desk to online.

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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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Vorex logo

Manage clients and projects on a single platform

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Vorex aims to simplify the conversation around PSA and online project management and capitalize on having developed an intuitive, easy-to-use solution.

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Billit logo

Online invoicing platform for businesses and accountants

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Billit is an e-platform that provides businesses with financial management tools. Key features include invoicing, making payments, and cost tracking. Documents can be digitized, and the platform supports integration with other solutions, such as customer relationship management software.

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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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VatPay logo

Recurring Payments, Online Billing and Invoicing for B2B SMB

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Online Billing, Invoicing, Accounting, Project Management, Time Tracking, Team Collaboration, Receipts and Expenses Management and many more.

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ONE UP logo

All-in-one invoicing, accounting, inventory, CRM & expenses

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Why should you run your business with different apps that don’t even talk each other? You deserve a great all-in-one solution to power your success. myERP is a unique app that runs on your desktop, tablet or smartphone to help you take your business to the next level.

Integrated: CRM, Invoicing, Accounting & Inventory
Cloud-based: Access and collaborate from anywhere

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MyUser logo

Payment processing for Zelle, Wire, and Fednow.

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MyUser is a cloud-based payment processing solution, which helps small to large businesses manage online transactions, chargebacks, financial frauds, and more. The platform offers various features such as real-time status updates, APIs, and reporting. It also facilitates third-party integration with various applications such as Shopify, WordPress, and more.

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sevdesk logo

Web-based accounting platform with iOS and Android apps.

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sevdesk is a web-based accounting platform for entrepreneurs and small businesses. Basic features include the management of invoices, quotes, reminders, products, customers, and tasks. sevdesk also offers a dashboard and reporting functionalities.

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