Stripe
Gusto
QuickBooks
Monday
Salesforce
Zendesk
Xero
Intercom

A headless operating system for your entire business

Replace dozens of SaaS tools with an all-in-one API for accounting, CRM, inventory, and 7 more — build robust tools or run your business on chat.

Browse the apps we replace →

Every business app you need. Simplified, integrated, and free.

Why one API?

One unified API replaces the patchwork of tools slowing your business down.

Autonomous operations

The Overplane Agent monitors your business in real time and takes action on your behalf — from reordering stock to reconciling accounts.

you
What’s our cash position this week?
agent
Cash on hand: $248,300. AR due within 7 days: $42,100.
I also noticed PO-4091 is pending approval — approve?

Every app, totally free

CRM, Accounting, Inventory, Sales, Manufacturing — all the apps you'd pay thousands for elsewhere, included free. No per-app fees, no user limits, no catch.

Your data, your infrastructure

Self-host or use our managed cloud. Role-based access control, audit logging, and encryption at rest and in transit.

Ready to consolidate your stack?

Deploy Overplane in minutes. Start with one module and scale to every department.

Browse the API