What is software integration?

Every application a team adopts becomes another place where data lives. Without integration, the same customer exists in four systems with four slightly different addresses, and people spend hours reconciling them or copying updates across. Integration decides whether a new tool reduces work or adds a copy-and-paste step to everyone's week.

It also shapes how easy the next change is. Integrations built carelessly become a tangle that nobody dares touch, so replacing one application means rewriting every connection to it.

Red Hat traces how the approaches evolved. The earliest was point-to-point: each application customised to talk directly to each other one. That works for two or three systems but becomes tedious and error-prone as the count grows, because every new system needs a connection to every existing one.

The enterprise service bus answered that by putting a central layer in the middle, abstracting messages and routing them between services. Newer approaches spread integration out again, using APIs, lightweight services running in containers and event messaging, so teams can build and change connections independently.

Whatever the architecture, a single integration has the same pieces: a way to detect a change (an event, a webhook, a schedule), a way to read the data, a mapping that turns one system's fields into another's, a way to write the result, and handling for failures. Integration platforms package those pieces so each new connection does not start from scratch.

A software company's support team works in a helpdesk tool and its engineers work in an issue tracker. Without integration, a support agent copies bug reports into the tracker by hand and checks back for updates. With integration, tagging a ticket as a bug creates an issue in the tracker with the customer's description, the product version and a link back to the ticket.

When an engineer closes the issue, the integration adds a note to the ticket and reopens it for the support agent, who tells the customer. The two systems keep their own data and their own users. The integration carries only the fields each side needs, in both directions, and logs each transfer so a missing update can be traced.

Swfte Studio is one way to build integrations of this kind. A workflow listens for an event, calls tools through Studio's integrations catalogue or an API for custom systems, maps fields between steps and records each run. Where a step needs to read unstructured text, such as summarising a ticket before it becomes an issue, the workflow can call a model through Connect.

Swfte does not replace an enterprise service bus or a large integration estate. If you need thousands of prebuilt connectors or deep mapping tools for heavy data volumes, a dedicated integration platform is a better fit, and the iPaaS guide compares the options.

• Swfte Studio
• Integrations catalogue
• iPaaS guide

Definitions on this page were read on the sources below on 7 October 2026. Where sources define the term differently, the page says so. The full glossary lists more terms.