Invoicing + AI — all in one place

Invoice clients. Get paid online. Run on autopilot.

InvoiceCave is the invoicing platform for freelancers and small businesses. Create professional invoices, collect Stripe payments, track expenses — and let your AI do the rest.

Stripe PaymentsPDF InvoicesAI AssistantFree to start · No credit card
Invoice #INV-043Paid

Billed to

Acme Corp

acme@example.com

Due date

Feb 28, 2026

ItemQtyAmount
Web Development40h$4,800
Total$4,800
AI AssistantBuilt-in
Create an invoice for Acme Corp, 40h web dev at $120/hr

Done! #INV-043 created for $4,800

Ready to send to acme@example.com

Send it and mark overdue ones

Sent ✓

Found 2 overdue invoices — sending reminders now.

42+

Features Built

invoices to accounting

30+

Currencies

USD, EUR, GBP & more

$4/mo

Full Pro Plan

no hidden fees

AES-256

Encrypted

bank-grade security

$0

Free Forever

no credit card needed

BUILT FOR YOUR WORKFLOW

Works for every type of business

Whether you're solo or running a team, InvoiceCave handles the billing so you can focus on the work.

Freelance Developer

Online payments + auto-recorded

I send invoices the day a project wraps and get paid within 48 hours. The Stripe integration means clients pay right from the link — no chasing.

Creative Agency

Recurring billing + late fees

We manage 30+ clients with recurring retainers. InvoiceCave auto-generates monthly invoices, tracks overdue ones, and sends reminders without us lifting a finger.

Business Consultant

Estimates → invoices + portal

I send estimates first, client accepts with one click, and it converts straight to an invoice. The client portal means they always have their history.

Everything you need, included

Stripe-powered payments

AES-256-GCM encrypted

PDF & shareable links

Client portal included

Recurring billing

Free plan, no credit card

HOW IT WORKS

Up and running in under 5 minutes

No setup fees, no complicated onboarding. Just sign up and start invoicing.

1

Sign up free

Create your account in 30 seconds. No credit card required. Add your business name, logo, and you're ready.

2

Create your first invoice

Add your client, line items, tax rate, and due date. Generate a professional PDF or a shareable payment link instantly.

3

Get paid online

Connect Stripe and your clients can pay directly from the invoice link. Payments are recorded automatically — no manual entry.

Using AI tools like Cursor or Claude? Connect via API or MCP →

FULL PLATFORM

Not just an API — a complete business platform

Everything you need to manage invoicing, from the dashboard to the terminal.

Professional Invoices

Auto-numbered, multi-currency invoices with shareable links and PDF downloads. Standard, deposit, milestone, and credit note types.

Estimates & Quotes

Create quotes with PDF generation, shareable links, and online accept/decline. Convert accepted quotes to invoices in one click.

Online Payments

Connect Stripe and let your clients pay invoices online. Payments auto-recorded, invoice status auto-updated.

Expense Tracking

Track business expenses with custom color-coded categories, vendor details, and full category management.

Client Management

Encrypted customer records with statement of accounts, billing history, email tracking, and client portal access.

Recurring Billing

Auto-generated recurring invoices and payments. Weekly, monthly, quarterly, or yearly — runs on autopilot.

Late Fee Automation

Configurable late fees — flat or percentage, with grace periods. Auto-applied to overdue invoices on schedule.

Aging Reports

Full AR aging with 30/60/90/120+ day buckets, customer breakdown, visual distribution charts, and CSV export.

Client Portal

Give each customer a branded portal link to view all invoices, payment history, account summary, and pay online.

Tax Rates & VAT

Configurable tax rates (VAT, GST, Sales Tax) with default and compound options. Auto-calculated on invoices.

AI Assistant

Create invoices, manage customers, record payments — all through natural language. 102 AI tools built in.

Multi-Currency

Invoice in 30+ currencies — USD, EUR, GBP, PKR, CHF, and more. Bank details on every invoice.

Bank-Grade Encryption

AES-256-GCM encryption, 3-layer key hierarchy, per-org isolation. Even we can't read your data.

REST API + MCP

102 first-party MCP tools for Claude Desktop, Claude Code, Cursor, plus REST endpoints for n8n, Zapier, and any HTTP client.

MCP-FIRST INVOICINGNEW

Your AI agent can do everything your dashboard can

102 first-party MCP tools covering every feature. Connect Claude Desktop, Claude Code, or Cursor in 30 seconds and run your entire billing workflow in plain English.

Invoices

17

Create with templates, payment methods, line-item tax rates

Customers

7

Full CRUD with billing/shipping, payment terms, tax IDs

Quotes

10

Send, email, accept, convert to invoice

Recurring

11

Create, pause, resume retainers in one prompt

Expenses

9

Record, categorize, attach to bank accounts

Reports

5

AR aging, P&L, balance sheet, revenue, cash flow

Accounting

8

Chart of accounts, double-entry journals, post & void

Bank & Payments

13

Bank accounts, payment methods, record receipts

Tax & Settings

11

Tax rates, reminders, late fees, org config

Payment Methods

4

Bank, Wise, Payoneer, PayPal, crypto

Notifications

3

Email logs, in-app notifications, mark read

Misc & Admin

4

Duplicate, credit notes, deposit invoices

ENTERPRISE SECURITY

3-layer encryption architecture

Master Key → KEK per org → DEK per record. Same architecture used by banks. Your API keys are rate-limited, org-scoped, and instantly revocable.

AES-256-GCMPer-org keysRate limitingHTTPS onlyAudit loggingKey rotation

PRICING

Start free, scale as you grow

Free plan includes API access. No credit card needed. Upgrade via Stripe when ready.

No credit card

Free

Free

Get started, forever

  • 3 customers
  • 5 invoices/month
  • 5 AI chats/day
  • 1 API key
  • Shareable links
  • Payment tracking
Get Started Free
MOST POPULAR

Pro

$4/month

For freelancers & businesses

  • 200 customers
  • 300 invoices/month
  • 50 AI chats/day
  • 3 API keys
  • Full accounting
  • MCP + REST API
Upgrade to Pro

Enterprise

Custom

Unlimited everything

  • Unlimited customers
  • Unlimited invoices
  • Dedicated infrastructure
  • SLA guarantee
  • Priority support
  • Custom integrations
Contact Sales

All prices in USD. Pay yearly and get 2 months free. See detailed comparison

Referral Program

Refer friends, earn free Pro

Share InvoiceCave with others. When they upgrade to Pro, you both get rewarded. Earn up to 10 months of free Pro.

3

referrals = 1 month

5

referrals = 3 months

10

referrals = 6 months

FROM THE BLOG

Tips, guides & insights

Practical advice on invoicing, getting paid faster, and growing your business.

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The Ultimate Claude Code Invoicing Setup Guide for Developers
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How to Use Claude for Invoicing: The Ultimate AI Guide
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How to Use Claude for Invoicing: The Ultimate AI Guide

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2026 Guide to Integrating the Best AI Invoicing API
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2026 Guide to Integrating the Best AI Invoicing API

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How AI Agent Invoicing is Transforming Freelance Billing

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How to Master Claude Desktop Invoicing for Your Business
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How to Master Claude Desktop Invoicing for Your Business

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Free forever · No credit card

Start invoicing in minutes

Join freelancers and small businesses who use InvoiceCave to create professional invoices, collect Stripe payments, and stay organized — all in one place.

Pro plan is just $4/month. Upgrade anytime, cancel anytime.