Symmy connects Odoo with Sage. The typical split: Odoo runs day-to-day operations — sales, inventory, e-commerce — while Sage keeps the books. The integration moves documents between the two, so nothing is retyped. Connecting one module takes 6–12 hours of work depending on the module type; we confirm the exact scope after an initial call.
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What we transfer and how often
| Module | Direction | Default interval |
|---|---|---|
| Orders | Odoo → Sage | 15 min |
| Issued invoices | Odoo → Sage | 60 min |
| Customers | Odoo → Sage | 60 min |
| Product cards | both ways | 60 min |
E-shops are the most common counterparty, but the same modules also flow to CRM, WMS or B2B portals. These values are defaults, not fixed rules. The direction and interval can be changed for each module, and modules not listed here can be added — we shorten the interval when your operation needs a faster response, or extend it when less frequent synchronisation is enough.
The table shows the typical setup with Odoo as the operational system and Sage as accounting. If your roles are reversed, the flows are simply configured the other way round.
How the connection works
Odoo exposes a well-documented XML-RPC / JSON-RPC interface covering practically every model in the system. Sage we connect through its API; Sage 50 installations are typically on-premise, which affects how the connection is set up.
Because both systems are ERPs, the key design decision is which one owns which data — we settle that in the initial analysis and configure the flows accordingly.
What to watch out for
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1
Two ERPs, one owner per record type.
When both systems can create invoices and customers, each record type needs exactly one owner. We agree the split upfront — typically Odoo owns operations, Sage owns the ledger — and the integration enforces it.
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2
Document numbering across two systems.
Both Odoo and Sage assign their own document numbers. We decide whose numbering is authoritative and carry it in the other system as a reference, so accountants can always trace a document back.
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3
On-premise Sage needs a connection strategy.
Sage 50 typically runs on-premise, so the integration needs a reliable path to it — an agent, a scheduled window or a VPN. We pick the approach during the analysis, not after go-live.
Customer testimonials
„We have been using Symma's platform since 2023, when they connected our core systems Base and Helios iNuvio. Since then, we've continually expanded our collaboration with new marketplaces and other features, and plan to continue to do so. We value the flexibility and reliability that…"
Lukas JenčPRESCO GROUP, a.s.
„We turned to Symmy to fully automate data transfers between the Upgates e-shop and ABRA Flexi. Connecting five key modules, from products to shipping, saves us a lot of time today and eliminates the worry of order errors. Above all, we appreciate the straightforward arrangement…"
Tomas BelkaBetexa
„We were looking for an integrator to connect the Shopify and Helios platforms. Symmy implemented this solution very quickly and at a very reasonable price. What we appreciate the most is the positive attitude, flexibility and communication - we highly recommend them."
Lukas JoukalMSR Engines group a.s.
„We have been using Symma's synchronisation platform since August 2024 to connect Base, Pohoda and TopTrans. The integration has greatly simplified our daily work thanks to automatic data transfer. Everything runs in the background and we don't have to worry about anything. The support responds…"
Lukas VacekeLVe Media s.r.o.
„We turned to Symmy to connect our ERP Helios Inuvio to Base, which we use to manage orders from the marketplace and e-shop. David Žváček proved to be an experienced project manager - he designed a workable solution, met deadlines and his approach significantly accelerated…"
Peter KrbúšikPMC spol. s.r.o.
„Due to the rapid development of online trading, we were forced to innovate our established sales procedures. This was not possible without a radical change, so we turned to Symmy, a company we had good references for. And we can confirm that thanks to the…"
Robert ŠmídR-KONTAKT KARNEVAL s.r.o.
„We were looking for a process automation solution among our key systems. Thanks to Symmy we got a stable and fast link for the order and warehouse modules. The whole collaboration went great, from the initial analysis to the final deployment and subsequent support, which…"
Ladislav KažimírPink elephant
„Symmy perfectly connects our ERP system with other e-commerce platforms. It is an integral part of day-to-day operations where it saves time and increases efficiency."
Jaroslav GorochovskýAG ART
„Last year, we at EMBLEMM used Symmy.com to integrate our Abra Flexi and Shopify systems. The cooperation involved order and inventory modules, including initial synchronization of products with different sizes.During this year, Symmy prepared a more modern way of communication between the systems using GraphQL…"
Matěj MaňákEMBLEMM CZ s.r.o.
„When completing a new e-shop, we came across a crucial need to automate two key processes - without them, billing and incoming payment control would not work.We therefore turned to Symmy, who quickly understood our situation and proposed a precise solution.Everything was done without unnecessary…"
Christopher KasparekKeyLab s.r.o.
„The cooperation is currently limited to the exchange of Expando vs. Upgates data. Here you are an important link for us on how to connect both platforms."
Jaroslav PekařRulyt s.r.o.
„The course of cooperation has been very professional, flexible and proactive from the first contact with the owner of the company, Mr. Koprajda, and his team until now. Despite the fact that we have jointly implemented a relatively complex implementation of several marketplaces at once…"
Andrea MartínkováDIMEX
Integration of Odoo with other systems
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ERP integration on Base
We help with ERP integrations for clients of e-commerce integration platform Base (formerly BaseLinker). If you need to connect your accounting system or ERP to Base, we are happy to help! Let us know.
ERP integration to WMS Depoto
Do you need to integrate the Depoto online warehouse and dispatch system with different ERP systems? Or e-shops? We can help you with that too. We will be glad if you let us know.
Shopify is up and running!
Shopify is a great e-commerce platform that also has an awesome API :). It integrates nicely. So if you want to get data from Shopify to or from ERP, we're here for you.
Frequently asked questions
How much does the integration cost?
We charge 85 € excl. VAT per hour. Connecting one module takes 6–12 hours depending on its type, more for larger systems — we confirm the exact scope after an initial call. The calculator above gives an estimate for your combination of modules.
Which system should own the customer records?
Usually the operational system — Odoo — creates customers and the integration carries them into Sage for invoicing. The initial analysis confirms the split that fits your process.
What happens when one of the systems is unavailable?
The synchronisation retries in the next interval, repeatedly, until the connection is restored. An alert goes out the moment a problem is detected.
Can we start with one flow and add more later?
Yes. Each module is a separate flow in Symmy — a common start is orders and invoices, with customers and products added once the first flow proves itself.
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