Bank statement API connector for a finance app in Singapore: cost (2026)

The verdict in three sentences

For a Singapore group juggling 5 banks across Southeast Asia, manual bank reconciliation costs days of month-end close. A bank connector that imports MT940, CSV and API statements and auto-reconciles 80 % of lines costs roughly 25,000 to 45,000 USD, over 10 weeks. The main gain: about 3 days of close recovered each month and a reliable consolidated cash position every morning.

The problem: five banks, five formats

The CFO of a trading group headquartered in Singapore, with subsidiaries in Malaysia and Indonesia, works with five banks (two local majors, a global bank and two regional lenders). Every morning an accountant logs into five portals, downloads statements, reworks them in Excel and posts entries. Formats differ: MT940 for two banks, an API for one, CSV with varying columns for another, PDF for the last.

The connector centralises everything. It pulls files by API or SFTP where available, or through an automated drop from the portal, converts them into one format, then matches them against the accounting system (Xero, NetSuite or an in-house finance app). Lines that match on amount, date and reference are cleared automatically; the rest land in a work queue.

Singapore's large banks offer corporate APIs more widely than most markets in 2026, but regional subsidiaries often still rely on MT940 or CSV, so a robust connector handles all of them.

The budget and what moves it

The matching engine is the heart of the project. Simple matching on amount and date clears 55 to 65 % of lines. Reaching 80 % requires rules per transaction type: bank fees, batch transfers, aggregated card or e-wallet settlements (PayNow, GrabPay), tax debits.

Maintenance runs at about 800 to 1,800 USD a month, because banks sometimes change formats without notice.

Security and compliance

Bank statements are sensitive data. The connector encrypts files at rest and in transit, logs every import and restricts access by role (accountant, treasurer, CFO). Bank service accounts are read-only: the connector cannot initiate any payment. Hosting can be on a Singapore cloud region in line with the PDPA and MAS technology risk guidelines.

Mini case study

Wei Ling, CFO of a trading group in Singapore, has two accountants spend 4 days a month reconciling about 6,000 bank lines. With 80 % auto-matching, the remaining work fits in 1 day: 3 days saved a month for two people, or 72 days a year. At a loaded cost of 400 USD per day per accountant, savings reach 28,800 USD a year. Close also moves from day 12 to day 9, giving the board figures earlier. For a 38,000 USD project, direct payback is about 16 months, before valuing better cash visibility.

FAQ

Do we need each bank's agreement?

Yes, for API or SFTP access the bank must open a channel, which takes 2 to 6 weeks. For downloaded MT940 files, no specific process is needed.

Does the connector handle e-wallet and card settlements?

Yes, aggregated payouts are matched against merchant exports, which adds about 4,000 to 7,000 USD to the project.

What happens to the 20 % of unmatched lines?

They go to a queue with a suggested match. An accountant clears each in about 30 seconds on average.

Can we start with two banks?

Yes, a first release at 15,000 to 18,000 USD for the two main banks, then others added at around 3,000 USD per bank.

Let's scope your project. Tell us your banks, statement formats and accounting system: we will price a connector between 25,000 and 45,000 USD, delivered in 10 weeks. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.