The verdict in three sentences
In 2026, a connector between an ERP and an e-commerce store in Singapore costs between SGD 5,000 and SGD 26,000 depending on the number of synced flows (stock, orders, customers, invoices) and system complexity. The gain is twofold: removing manual double entry and ending stockouts caused by the lag between the online catalog and real stock. The golden rule: sync the two critical flows first, stock and orders, before adding secondary flows.
ERP - e-commerce connector price in 2026
The budget depends on the number of flows, the sync direction (one-way or two-way), and whether your ERP exposes an API. Here are the 2026 orders of magnitude.
| Sync scope | Direction | Setup cost SGD | Timeline |
|---|---|---|---|
| Stock only (ERP -> store) | One-way | 5,000 - 8,600 | 2-3 weeks |
| Stock + orders | Two-way | 8,600 - 14,400 | 4-6 weeks |
| Stock + orders + customers | Two-way | 13,000 - 20,000 | 6-8 weeks |
| Add invoicing + accounting | Two-way | 17,000 - 26,000 | 8-12 weeks |
| ERP without API (via files) | Batch | +4,300 - 7,200 | +2-4 weeks |
A modern ERP with a REST API (e.g. Odoo, Dynamics) is cheaper to connect than a legacy ERP without an API, where you must go through file exports or an intermediate database, which raises the budget.
Middleware, maintenance and recurring costs
A connector is not a one-off project: it's a living flow that must run continuously and survive failures.
| Item | Description | 2026 cost |
|---|---|---|
| Middleware hosting | Connector server | SGD 43 - 115/month |
| Monitoring + alerts | Flow-break detection | included - SGD 72/month |
| Evolutive maintenance | Adapting to API updates | SGD 215 - 575/month |
| Incident support | Recovery after error | per SLA |
| Initial data migration | Import existing catalog | SGD 720 - 2,900 |
Budget a realistic maintenance of SGD 290 to 650/month for a two-way connector in production. That's the price of reliability: an unmonitored connector always ends up breaking silently.
Mini case study
Sarah, owner of an online cosmetics store in Singapore, manually enters each e-commerce order into her ERP and updates stock by hand. Volume: 800 orders/month, ~5 minutes each = ~67 hours/month. Cost: 67 h x SGD 32 = SGD 2,144/month, plus regular oversells (products sold while out of stock).
We build a two-way stock + orders connector between her store and her ERP. Cost: SGD 12,000, plus ~SGD 86/month hosting and SGD 360/month maintenance.
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Result: double entry nearly vanishes (~60 h/month saved = SGD 1,920/month) and oversells drop to zero, avoiding ~15 monthly refunds/cancellations. After recurring costs (SGD 446), net gain ~SGD 1,470/month of time plus the value of preserved sales. Payback in ~15 months, with markedly improved catalog reliability.
FAQ
What's the price of a connector that syncs only stock?
A one-way stock sync (ERP to store) costs SGD 5,000 to 8,600 in 2026, delivered in 2 to 3 weeks.
Do I need a two-way sync?
As soon as orders must flow back into the ERP, yes. Two-way (stock + orders) costs SGD 8,600 to 14,400 but removes double entry, where most time is lost.
What if my ERP has no API?
We go through file exports or an intermediate database: budget SGD 4,300 to 7,200 extra and 2 to 4 more weeks. It's doable but less reliable than an API.
How much is monthly maintenance?
Between SGD 290 and 650/month for a two-way connector in production, monitoring included. It's essential to avoid silent flow breaks.
How long to deliver the connector?
From 2 to 12 weeks in 2026 depending on scope: 2-3 weeks for stock only, up to 12 weeks with invoicing and accounting.
Let's scope your project. Tell us your ERP, your e-commerce platform, and the flows to sync (stock, orders, customers, invoices): we'll price the connector and its maintenance. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
