Everything you sell on and work with,
already in the books
OneBooks connects to your point of sale, the AI assistants you use, the tax authorities you file with and the systems you're moving from — so revenue, tax and history land in the ledger without anyone re-typing them.
Sales post themselves.
Connect the till and the books are ready when the shift ends — tender by tender, tax included, duplicate-proof.
Your books, readable by the AI you already use.
OneBooks speaks the Model Context Protocol. Connect once over OAuth; the AI reads real reports and prepares documents you confirm.
Bring your history along.
Switching systems shouldn't mean starting from zero. Pull your ledgers, balances and vouchers in — reviewed before anything posts.
File where your authority expects.
Compliance is built into the document, not bolted onto the report — so the filing is the easy part.
Build on OneBooks.
A standards-based OAuth 2.0 API, a developer console with sandbox businesses, and a free plan for your customers.
Build it, or let's build it together.
Every integration above runs on the same public OAuth 2.0 API and MCP surface you can use. Register an app in the developer console, or talk to us about a partnership that gives your customers OneBooks for free.
Connect once. Stop re-typing forever.
Start free, connect your point of sale or your AI assistant, and watch the books write themselves.