InvoiceAPI simplifies the invoicing process.

InvoiceAPI is a lightweight, production-ready backend API that helps businesses create invoices, track payment status, and manage outstanding balances through a simple REST API.

Built with Node.js and Express, it's an excellent starting point for freelancers, agencies, consultants, SaaS platforms, and any business that invoices clients.

What it does

Creates new invoices through an API.

Stores and retrieves invoice records.

Tracks payment status for every invoice.

Allows invoices to be marked as paid.

Integrates easily with websites, dashboards, mobile apps, or CRM systems.

Provides fast, standardized JSON responses for easy frontend integration.

Key Features

• Invoice creation API
• Invoice listing and retrieval
• Payment status management
• Mark invoices as paid
• RESTful API endpoints
• Standardized JSON response format
• Lightweight Node.js & Express architecture
• Ready for deployment and customization

Ideal For

• Freelancers
• Marketing agencies
• Web developers
• Consultants
• Contractors
• Service businesses
• SaaS platforms
• Small and medium-sized businesses