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Billing and Invoicing Software with API (2026) - Page 7

Last updated: March 2026

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576 software options

Coupa logo

Everything You Need to Optimize Your Spend in One Place

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Efficient, accurate and timely invoice processing that saves your AP department from drowning in a sea of paper.

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billage logo

Cloud-based invoicing and CRM software for SMBs

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billage is an online CRM and client billing & invoicing solution for freelancers, micro-enterprises and small businesses

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PayEm logo

Global spend & procurement platform

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Go beyond the tired billing & invoicing procedures with PayEm. PayEm's platform simplifies bill payments, whether done by credit card or ACH. The platform allows for digital uploads of vendor invoices, automatic payment scheduling & customized approval flows, using streamlined NetSuite integration.

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Unanet ERP AE logo

Project-based ERP for mid-to-large size AE firms

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Unanet A/E, powered by Clearview, is purpose-built ERP for architecture and engineering firms and offers a powerful combination of Project Management, Business Intelligence, Time and Expense Tracking, Financials, Integrations, and CRM tools in one single source to run your business more effectively.

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Finix logo

Payment processing solution for software platforms

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Finix offers payment processing configurations to help software platforms build payment experience for their customers.

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Digital Manager Guru logo

Marketing automation platform

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Complete platform for online sales: optimized checkout, subscription management, recurring billing, and automated invoice issuance.

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2Checkout logo

Online payment processing and billing platform

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Online businesses around the world sell more every day with 2Checkout payment processing. We're here to help you truly "go global" and offer a local buying experience to your customers.

Our checkout experience maximizes conversions by adapting to local languages, currencies and payment methods. It also reflects your brand, which buyers trust.

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Stax logo

All-In-One Payment Processing Platform

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Stax delivers seamless payment processing and scalable embedded payment solutions to SMBs, ISVs, and SaaS businesses.

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Priority Software logo

ERP Should Be Easier

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Billing and sales management made easy, including remittance, payee payment status communication, payment reconciliation and more

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Assembly logo

The new standard for modern service businesses.

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Create remarkable client experiences. CRM, portal, payments, tasks, contracts & more — with an AI Assistant that works for you.

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Invu POS logo

Cloud-based POS solution for service businesses.

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Invu POS is a cloud-based point of sale (POS) solution that helps businesses in retail, healthcare, hospitality, and other industries manage sales, marketing, and payment processes. The platform offers various features such as inventory tracking, customer billing, reporting/analytics, mobile access, campaign management, integration capabilities, and more.

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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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Moon Invoice logo

Invoice Software for Small Businesses

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Moon Invoice is a one-stop invoicing and accounting solution for freelancers, small business owners, and entrepreneurs worldwide. With its user-friendly interface and cutting-edge features, Moon Invoice enables users to send instant invoices and get paid 2x faster.

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Yokoy logo

The intelligent spend management platform

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Reduce manual errors, get full transparency, and add intelligence & automation to your Billing and Invoicing process.

Purpose-built to handle the complexity of multi-entity organizations, it’s designed to help mitigate the risk of non-compliance to company policies, processes and regulations.

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Ruddr logo

The Modern Professional Services Platform

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Ruddr is the modern professional services platform for small-to-midsize teams (5-1,000 users). Measure key data related to clients, projects, budgets, tasks, time, expenses, and invoices. Reports and KPIs provide insight into metrics such as realization rate, utilization rate, and services margin.

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Transformify logo

HR suite for recruitment and employee onboarding

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Streamline your financial operations with Transformify's advanced billing and invoicing solutions. Our platform facilitates seamless onboarding, compliance, and payment automation, allowing businesses to save up to 60% on workforce management costs.

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Oracle Fusion Cloud ERP logo

Cloud-based ERP suite of business solutions

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Oracle Fusion Cloud ERP is a suite of solutions designed to help mid to enterprise-level businesses handle various administrative processes related to risk management, supply chain, procurement, project management, and more.

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Stax Bill logo

Subscription management and recurring billing software

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Fusebill automates customer billing with customizable invoices, a built-in payment gateway, and support for taxation, subscription management, accurate revenue recognition and more. Easily tackle your complex billing needs – from simple one-time transactions, usage-based pricing and pro-ration.

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AdvancedMD Billing Services logo

Cloud based medical billing and claim processing software

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AdvancedBilling from AdvancedMD is a cloud based medical billing software that helps in automating and enhancing tasks related to revenue capturing

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TYASuite logo

India’s 1st AI ZeroTouch™ Invoice & Procurement Platform

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ZeroTouch Invoice Automation by TYASuite is India’s 1ˢᵗ AI-powered solution designed to eliminate manual invoice handling.

Built for mid-sized businesses, it streamlines vendor invoice processing with 99% accuracy, cutting processing time by 90%.

The system auto-captures data, validates against

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Unanet ERP GovCon logo

Web-based integrated project management and ERP solution

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Unanet is an integrated project management solution which offers tools for resource planning, accounting, workforce collaboration, timesheet management and more

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EBizCharge logo

Web-Based payment processing solution for merchants

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EBizCharge Billing and Invoicing Software allows your customers to process payments online securely and remotely from anywhere.

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Encuadrado logo

Payments & bookings for self-employed service providers

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Encuadrado is a software suite for service providers that book appointments. It offers scheduling services, automated billing, and electronic invoicing for independent professionals. It also provides the opportunity to be part of a community where users can professionalize, learn from peers, and grow businesses.

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myBillBook logo

Cloud-based billing & accounting management software

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myBillBook is a GST billing and accounting software designed for small businesses to simplify their billing & management. Offering customized invoicing, e-invoicing, and expense tracking, it supports inventory management, purchase recording, and payment reminders.

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Sellsy logo

CRM, invoicing, automation, marketing (+ more) in one place!

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The all-in-one sales suite to take the headache out of customer relationships. Manage your CRM, customer support portal, invoicing, and more from one platform!

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