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.
Billed to
Acme Corp
acme@example.com
Due date
Feb 28, 2026
Done! #INV-043 created for $4,800
Ready to send to acme@example.com
Sent ✓
Found 2 overdue invoices — sending reminders now.
42+
Features Built
invoices to accounting
50+
Currencies
USD, EUR, GBP & more
$2/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.
Sign up free
Create your account in 30 seconds. No credit card required. Add your business name, logo, and you're ready.
Create your first invoice
Add your client, line items, tax rate, and due date. Generate a professional PDF or a shareable payment link instantly.
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. 32 AI tools built in.
Multi-Currency
Invoice in 50+ 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
32 tools for AI agents. Works with OpenClaw, Cursor, Claude, n8n, Zapier, and any HTTP client.
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.
PRICING
Start free, scale as you grow
Free plan includes API access. No credit card needed. Upgrade via Stripe when ready.
Free
Get started, forever
- 3 customers
- 5 invoices/month
- 5 AI chats/day
- 1 API key
- Shareable links
- Payment tracking
Pro
For freelancers & businesses
- 200 customers
- 300 invoices/month
- 50 AI chats/day
- 3 API keys
- Full accounting
- MCP + REST API
Enterprise
Unlimited everything
- Unlimited customers
- Unlimited invoices
- Dedicated infrastructure
- SLA guarantee
- Priority support
- Custom integrations
All prices in USD. Pay yearly and get 2 months free. See detailed comparison
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.
Troubleshooting Common OpenClaw Invoicing Errors: A 2026 Guide
Is your AI agent burning cash or hallucinating math? Learn to fix API cost spikes and model mismatches in this OpenClaw survival guide.
Top FreshBooks Alternatives for Freelancers (2026 Edition)
Stop paying for bloatware. Discover the best FreshBooks alternatives for freelancers in 2026, from free tools like Wave to AI-powered options like InvoiceCave.
US Tax Consultant for Small Business Invoicing & Freelancers Guide
Discover 2026 pricing, S-Corp strategies, and why invoicing is your secret weapon. Learn how to hire the best US tax consultant to protect your profits.
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.