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Billing and Invoicing Software with API (2026) - Page 9

Last updated: March 2026

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576 software options

Quadient Accounts Receivable by YayPay logo

Smart AR for Smart B2B Finance Teams

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Quadient Accounts Receivable by YayPay is a cloud-based AR management & automation solution which offers real-time analytics, automated workflows, CRM functionality, and more for B2B businesses.

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BoondManager logo

Enterprise process management (ERP) and resource management

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BoondManager is an enterprise process management (ERP) and resource management software that helps businesses manage projects, track invoices, handle prospecting, monitor expenses, and more on a centralized platform. With the recruitment management module, staff members can manage all the team files

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Open logo

Banking and financial operations management platform

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Open is a cloud-based software designed to help startups and small to midsize enterprises manage payments, virtual accounts, cash, invoices, taxes, expenses, and more via a unified portal. The platform includes payroll management functionality, which enables businesses to track employees’ attendance and leaves, create payslips, and analyze reports for reference.

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TimeLive logo

Time and Expense Tracking for Project Management

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Billing Rate Setup,
Real Time Analysis,
Tax Option,
Logo and Footers,
Customized Report,
Multi Currency,
Billed/Unbilled,

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ECOUNT logo

100% Cloud-based ERP for small & mid-sized businesses.

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Ecount ERP is a fully integrated, web-based accounting, inventory, sales, purchasing and production management software for small and mid-sized businesses. The enterprise resource planning (ERP) tool allows users to manage all aspects of their business, both front and back office, from one platform.

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GeoOp logo

Smart software for trade and home service businesses.

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Leading job management software that saves small businesses in trades and services up to 14 hours a week on admin duties. Schedule jobs, track staff, log timesheets, create quotes and invoices in one place. Get more done in less time, win more jobs and get paid faster with GeoOp.

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Radom logo

Cryptocurrency payment processing

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Radom is a crypto payment processor offering a comprehensive billing solution for subscriptions, invoices, and payments, including APIs and Webhooks. Features encompass white-labeled payments, pre-built crypto checkout pages, no-code payment links, subscription management, online crypto invoices, and donation options.

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Approveit logo

Automate approval workflows across your entire company!

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Approveit automates approval workflows right in Slack or Email. Integrations with XERO, QuickBooks, Freshbooks, Jira, and over 3000 apps through Zapier help to avoid routine manual tasks. Submit and approve requests anytime, in one place!

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OneDeck logo

Business management platform

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Smart, intelligent and automated platform for all your business management needs

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INFast logo

For entrepreneurs who manage their own invoicing

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INFast is a cloud-based software designed to help businesses generate invoices, create financial documents and streamline other accounting processes.

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Payaca logo

Simple, yet powerful, CRM solutions.

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A CRM solution for ambitious field service businesses. With a focus on simplicity and efficiency, we empower businesses to streamline operations, build strong customer relationships, and fuel growth. Developed by software experts, Payaca is designed for adaptability and continuous improvement.

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QT9 ERP logo

Cloud or on-premise enterprise resource planning software

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Billing & Invoicing software made easy. Automate the processes of producing & sending invoices & receiving payments with an easy-to-use cloud-based platform. Connect billing & invoicing to Quoting & Sales Management with email alerts, PO matching & FDA 21 CFR Part 11 compliant electronic approvals.

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pVerify logo

Patient eligibility verification for healthcare providers.

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pVerify is a cloud-based solution that helps healthcare organizations verify patient insurance eligibility on a centralized interface. The platform includes APIs and eligibility benefits verification that helps medical professionals verify prior authorization, claims status, and more. pVerify also offers batch eligibility solutions for medical, dental, and vision providers. Key features include real-time APIs, parsed benefits, EMR/PM integration, custom business rules, and more.

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Texada logo

Texada: Your Partner for Smarter Equipment Management

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Texada SalesLink: Revolutionizing CRM for equipment dealerships with industry-specific features, centralized customer data, optimized sales, and superior after-sales service, driving seamless operations, increased revenue, and enhanced customer satisfaction.

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Teamleader logo

Sell, bill and organise work in one place.

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Invoices, quotes, CRM, and planning. Manage your business easily in one place. Over 20,000 entrepreneurs and their teams hand over their paperwork to Teamleader's business software.

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BlueSnap logo

All-in-one payment platform

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BlueSnap is an all-in-one payment platform that offers tools including online and mobile checkout, subscription management, invoicing, payment processing, POS management, unified commerce, and more. It allows businesses to process payments online and track past transactions.

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Zahara logo

Transform Your Business with Full-Scale AP Automation

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Zahara controls business spend with purchase orders, invoice approvals, and secure payments—removing admin and enforcing policy.

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Salesboom CRM Suite logo

Online CRM Software

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Salesboom CRM is an online CRM and customer retention software designed to manage your customer base and identify up-selling opportunities. Established in 2003, the Salesboom CRM system has been helping enterprises of all sizes coordinate their customer relationship management and cross/up-selling strategies as well as providing online training courses and support.

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ServiceWorks logo

All In One. Effortless. Accessible. Cloud Based Solution

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Smart and Automated Invoicing saves you time. Send individual invoice or combined invoices or statements. ServiceWorks have that covered.

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GetYourBill logo

The fast track for checkout

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GetYourBill is a unique checkout solution to manage all electronic sales documents including invoices and receipts. Administrators can fill in customers' VAT numbers to automatically recover relevant data and generate invoices. The solution allows teams to issue tax documents and collect digital pay

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OneBill logo

Lead to Revenue Redefined

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OneBill is a revenue management software that provides businesses with tools to streamline subscription management and billing processes. It enables to manage administrative operations, including automated order provisioning & activation, CPQ, revenue reporting, commission management, etc.

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Ottimate logo

Streamline your accounts payable process

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Plate IQ is accounts payable automation software that saves time, increases the accuracy of business data, and provides timely insights into their spend.

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inSitu Sales logo

Field sales, DSD, Inventory & Dispatch For Distributors

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Allow sales reps to use a custom template to create, send, or print mobile invoices. Capture digital signatures, and use live, realtime data to access price lists and sync with your ERP. Accept mobile payments on the spot through Stripe or Authorize.Net.

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UniFi logo

UniFi — One system, limitless use cases.

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UniFi is one platform with limitless use cases across every department. With limitless use cases, innovative features, and the ability for end users to create bespoke apps without coding knowledge, UniFi is the one system that does it all.

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DualEntry logo

AI-native accounting

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DualEntry is an AI-native accounting software designed for high-growth enterprises, offering a general ledger, automated close management, tax compliance, and integrations. With security, real-time insights, and global compliance, it helps users streamline financial operations.

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