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Connect Sage 300 and Izettle

Connecting Sage 300 and Izettle for a company would involve enabling the transfer of relevant financial and sales data between the two systems. This could support more accurate accounting by reducing manual data entry, improving the timeliness of financial reporting, and helping ensure that sales transactions recorded in Izettle are reflected in Sage 300’s records.

You can build this integration on the System2System platform. We design the connection between Sage 300 and Izettle around the way you work — not as an off-the-shelf connector, but to fit your systems.

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Why connect Sage 300 and Izettle?

A company that uses both Sage 300 and Izettle could benefit from connecting the two systems to enable data exchange between them. Such a connection could help reduce manual data entry, which is often required when information must be moved from one system to another by hand. Without an automated link, there is a risk that records in Sage 300 and Izettle could diverge over time, leading to inconsistencies in sales, inventory, or financial data. This drift can cause confusion, errors in reporting, and decisions based on outdated or incomplete information. If the two systems were connected, common types of data that could be shared might include sales transactions, payment records, inventory updates, and customer details. By allowing this data to flow between Sage 300 and Izettle, a company could keep both systems aligned and reduce administrative overhead. However, the specific data that can be exchanged in practice depends on the capabilities of each system's API and must be determined for each individual situation.

How System2System builds an integration

Connectors

We connect to each system through the interface it offers — an API, a database, a file exchange or a webhook — and handle authentication, rate limits and retries.

Mapping

Fields rarely line up one to one. We map and transform the data so both systems receive it in the shape they expect.

Workflow

We define what triggers an exchange, in which direction data flows and which system takes precedence when the two disagree.

Monitoring

Every exchange is logged. Failures are flagged and can be replayed, so nothing disappears without anyone noticing.

What can actually be exchanged?

That depends on what Sage 300 and Izettle make available through their APIs, on the licences and modules in use, and on the version each system runs. Which records are synchronised, in which direction and how often, is something we determine together before any work starts.

We are happy to look at your specific situation and tell you what is feasible — including when the answer is that it is not.

About these systems

Read more about each system and what it can be connected to

Looking to connect these systems?

Talk to us about what your setup needs. No obligation.

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