Glossary
Glossary: integration terms
From REST API to idempotency: the key terms around connecting an ERP system with an online shop, explained briefly and in plain language.
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- Dead letter queue Operations that could not be processed even after several attempts end up in the dead letter queue — an order with a product number unknown to the target system, for instance…
- Delta sync A delta sync transfers only the records changed since the last run instead of the full data set. That keeps runtime and system load low, but it depends on reliable change…
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- Idempotency Idempotent means the same call may arrive more than once without changing the result — an order is not created twice if the response was lost and the sender retried. This is…
- Inventory sync The inventory sync keeps the availability shown in the shop aligned with stock levels in the ERP system. Because selling continues between two runs, many businesses work with a…
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- Master data Master data are the long-lived records of a business: products, customers, prices, suppliers. They rarely change but are used by many processes. An integration project defines…
- Middleware Middleware sits between shop and ERP system and handles transport, translation and logging of the data. It decouples both sides: replacing one system then affects a single…
- Monitoring Monitoring makes the interface run visible: did the last sync finish, how long did it take, how many records were left behind? Without that view, an outage surfaces only when…
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- REST API A REST API exposes data through HTTP addresses: the shop requests /products/4711, for example, and receives the record as JSON. Because every call stands on its own, individual…
- Retry strategy A retry strategy defines how often and at what intervals a failed call is repeated — usually with growing delays, so an overloaded target system is not put under additional load…
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- Sandbox A sandbox is a separated test environment with its own credentials, where interfaces can be checked without touching real documents. It only helps with realistic test data: a…
- SFTP transfer With an SFTP transfer the systems do not exchange individual calls but whole files over an encrypted connection — typically CSV or XML exports in fixed time slots. This route is…
- SOAP SOAP is an older, XML-based protocol for system interfaces. Many ERP and accounting systems still offer it because their interfaces have grown over the years. It is more strictly…
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