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.
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.