Now in public beta

Books that close themselves.
Audit-ready every day.

Luca posts your bank feed on one ledger — audit-ready when you need it.

Accounting dashboard with Luca slideout — Northstar invoice posted and triple-entry explained in Axiomatic

On live books

Real operators, real scale

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ERP modules

Great product. This is needed by effectively every large or mid-size company.
Director of Operations · Multi-entity operator

How it works

From bank feed to lender-ready

Connect your accounts and the books stay current through the month. Every posting carries a verifiable trail, so handing audit-ready financials to a board, auditor, or lender takes one click. See how we compare.

Step 1

Connect and let it run

Link your bank, billing, and ops accounts. Luca classifies and posts the feed on your live chart of accounts, Autopilot books the routine work, and a daily digest tells you what happened and what needs a look.

Meet Luca

Step 2

Tamper-evident records

Every posting lands on a hash-chained audit trail tied to the source invoice, payment, or journal. The balance sheet your team exports is the same record an auditor checks later.

Security & audit

Step 3

Share verified financials

When a board, auditor, or lender asks, issue a certified close, attested bank balances, or a financeable receivable package. They verify it independently in the Verify workspace, on their own machine.

How verification works

Developers

API-first ERP on your tenant

Extend the perpetual ledger with tenant-scoped REST APIs, custom subledgers, and event-driven posting — the same surface area the product uses internally.

Your tenant, your API key

Bearer keys scope to one entity and module permissions. Every write runs in your isolated database with the same RBAC the app enforces.

Custom subledgers

Model protocol treasuries, custody networks, or partner detail ledgers, then reconcile batches into GAAP control accounts.

OpenAPI & event posting

Ingest events, run the posting engine, subscribe to webhooks, and read journal lines — documented routes, not a parallel integration layer.

Luca AI

The agentic ledger

Luca reads, writes, and acts across every module. Post an invoice, reconcile a receipt, draft a journal — every action lands on the same triple-entry record with a verifiable trail.

Learn about Luca →
Luca AI — conversations and tools across your data

What you get

Your back office, running itself

Luca does the daily work on one verifiable ledger — plus every module your team runs day to day.

Autopilot

Luca posts and reconciles

Bank feeds, billing, and ops modules post to your live books continuously. Autopilot books the routine work from your saved rules and high-confidence matches, then sends a daily digest of everything it did.

Meet Luca

Verifiable

Books your counterparties trust

Every write lands on a tamper-evident audit trail. Share certified closes, attested bank balances, and receivable packages that auditors, boards, and lenders verify independently in one click.

How verification works

One platform

One login, every operation

Finance, CRM, sales, ops, HR, projects, helpdesk, and marketing — every module on the same journal and identity model.

Browse modules

Pay for use

Scales with your team

Per-use pricing, not per-seat. Add modules, entities, and people without renegotiating a contract. Pay for what you use, top up as you grow.

See pricing

Native modules

Every department, fully integrated

Each module is built natively on the same ledger and identity model. Turn on what you need today; add the rest as you grow.

Apps

Native apps for desk and field

Mac and Windows for your desk. TestFlight for iPhone and iPad.

 

macOS
Windows

Axiomatic Desktop

Mac and Windows app

The full platform in a dedicated window, with Touch ID on Mac. Review receivable packages in Verify before you share them with a lender.

Pricing

Per-use pricing. No seats. No tiers.

Prepaid USD credits fund your usage — transactions, API, AI, proofs, and more — at published rates. Signup credit included. Add seats and entities without renegotiating a contract.

FAQ

Frequently asked questions

Need more detail? Contact us, or browse integrations.

Ready to hand off the bookkeeping?

Create a workspace in minutes with free starter credits. Guided rollout paths are on onboarding.