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Billing and Invoicing Software with API (2026) - Page 15

Last updated: March 2026

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576 software options

FinanEDI logo

Free cloud-based billing and accounting solution

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FinanEDI is the free cloud software for billing and accounting designed for SMEs and freelancers, allowing for easy and quick creation and sending of invoices, saving time and money. It simplifies tasks such as billing, accounting, treasury management, customer management, and document creation.

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RevLock logo

Revenue management for SaaS companies

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RevLock is a cloud-based revenue management and tracking solution for businesses within the SaaS (software as a service) industry. It offers automated revenue recognition and customizable SaaS revenue analytics in order to help businesses track their most important metrics and plan for the future.

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Fakturia logo

Automated billing for the european market

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Subscription-Managment-Software that automizes billing. Integrated SelfService-Portal, REST-API, SEPA-Direct-Debit, PSP support.

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Peakflo logo

Accounts payable and receivable automation

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Peakflo enables companies to automate their accounts payable process by having their customers pay online, or by using their mobile app.

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ScaleXP logo

Smart Finance Automation

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ScaleXP automates revenue recognition, prepayments, KPIs, dashboards and presentations saving you days of work with spreadsheets and enabling you to have valuable, industry specific metrics and professional looking presentations, customised to your needs and colours, available in real time.

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Splynx logo

Billing and Management software for Internet providers

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Splynx is a billing and network management software designed to help small to midsize internet providers handle subscribers, billing, and related operations. The system can be integrated into existing internet service provider (ISP) infrastructures and allows administrators to automate various processes.

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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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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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Alternative Payments logo

Global payment management platform for eCommerce enterprises

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Alternative Payments is a cloud-based global payment management platform designed to help eCommerce enterprises expand their revenue streams

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Mollie logo

Cloud-based payment processing software

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Mollie is a payment and financial solutions platform that simplifies transactions for businesses of all sizes. Its solutions cover online and in-person payments, recurring billing, fraud prevention, and financial services, all accessible through a centralized dashboard.

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MaxBill logo

Multi-Utility, Energy, High Tech, Telecom.

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MaxBill Utility Billing Software facilitates service providers' business growth by giving the full control over the company's operations, allowing for easy introduction and control of new services, partner onboarding and customer experience management.

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ChargeDesk logo

Payment management extension for the most popular apps

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Payment management extension for popular third-party applications featuring automatic billing, receipts, and invoicing

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Averiware logo

AVERIWARE: The Anytime, Anywhere Business Solution

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Averiware cloud ERP software solutions helps organizations lower operational costs by providing real-time visibility into every business process. With accurate, up-to-date data, teams can make faster decisions, reduce manual work, and improve overall productivity across departments.

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STEL Order logo

Cloud-based ERP and field service management platform

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STEL Order is a cloud-based ERP and field service management platform that helps businesses streamline key workflows like scheduling, dispatching, invoicing, expense tracking, inventory management, and more. End-to-end document traceability and a full history of interactions with each client.

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SpendConsole logo

Redefine efficiency. Simplify and automate Accounts Payable.

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Redefine efficiency with SpendConsole. Maximise time. Minimise manual efforts. Simplify and automate your Accounts Payable processes

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Siteline logo

Construction billing tool for contractors & subcontractors

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Siteline is a construction billing solution that allows trade contractors to compile pay applications, manage billing, lien waivers, and more in one place. The features include pay app management, lien waiver management, vendor management, AR reporting, forecasting, change order tracking, compliance tracking, and integrations to streamline and visualize accounts receivable.

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BillingServ logo

Cloud-based billing platform

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BillingServ is a full-featured payment solution that makes it easy for users to receive and process payments in real-time.

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Wafeq logo

All-in-one accounting software for SMEs

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Wafeq is a software application that makes it easy for businesses to manage invoicing, value-added tax (VAT), purchasing, payroll, employee expense claims, fixed assets, and other business-related activities. It is used by companies of all sizes, from small businesses to startups and everything in b

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Zobaze POS logo

Mobile Point of Sale (POS)

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Zobaze POS is a mobile point of sale (POS) system designed for brick-and-mortar businesses

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StockIt logo

Software for growing business

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StockIt integrates the different areas of your business in an online system, from purchase order management, account statement, inventory management, project management, to billing.

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CloudBooks logo

Send Invoices, Estimates, log Expenses, track Time

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CloudBooks enables small businesses and freelancers to send professional invoices, automate payment reminders, manage projects, track time, log expenses, accept payments online and much more,

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Deltek Vantagepoint logo

Power project success

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Deltek Vantagepoint is a powerful, intuitive solution that helps people manage projects from start to finish. With full visibility of client, project and financial details, your organization accelerates workflows, maximizes productivity and realize great business results.

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Rerun logo

Recurring billing. Simplified.

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Rerun is for any business, organization or association that wants to automate their recurring, subscription or membership billing.

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Posibolt logo

ERP Solution for Retail and Supply Chain Management Space

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Posibolt is a retail POS and inventory management solution for multi-store and omnichannel operations.

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Nitrobox logo

Cloud-based subscription management software

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Nitrobox is a SaaS solution designed for enterprises that helps automate their complex revenue processes and handle pricing models.

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