Integration · Banking

Mercury integration

Mercury is the operating bank for most modern startups. Reliable, real-time bank sync is the foundation of reconciliation and cash reporting.

Connect this stack to Lucius

Share your payment and bank setup — we'll outline how sync, reconciliation, and reporting stay on one ledger.

Request a reconciliation audit

What Lucius syncs from Mercury

  • Bank accounts and balances
  • Transactions (ACH, wire, card)
  • Card activity
  • Statements and metadata

Why it matters

Mercury is the operating bank for most modern startups. Reliable, real-time bank sync is the foundation of reconciliation and cash reporting.

How it improves reporting

With Mercury connected, cash position is always current and bank reconciliation runs continuously — not just at close.

Common workflows

Live bank reconciliation

Mercury transactions sync to Lucius and are matched against invoices, bills, payroll, and known patterns automatically.

Real-time cash position

Cash balance across Mercury accounts is reflected in Lucius reports as soon as activity posts.

Card spend categorisation

Mercury card activity is classified by AI suggestions; humans approve or override.

Frequently asked questions

How fast does Mercury sync?

Mercury activity syncs continuously throughout the day.

Can Lucius categorise Mercury transactions automatically?

Yes. Lucius proposes high-confidence categorisations and learns from your decisions.

Does Lucius support multiple Mercury accounts?

Yes. Operating, treasury, and sub-accounts are all supported.

Does Lucius handle Mercury wires and ACH separately?

Yes. Wires, ACH, and card activity are tracked with the correct payment metadata.

Connect this stack to Lucius

Share your payment and bank setup — we'll outline how sync, reconciliation, and reporting stay on one ledger.

Request a reconciliation audit

Or explore the stateful ledger — Lucius's financial system of record.