2020-06-17T10:12:00Z

What is the difference between API and middleware?

Rony_Sklar - PeerSpot reviewer
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Atakan Köycü - PeerSpot reviewer
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2021-10-11T09:54:43Z
Oct 11, 2021

The API (Application Programming Interface) can be provided by most middleware. It can be SOAP but generally, REST services. 


These two words are quite different in meaning. API refers to callable services, while middleware refers to the product that does the integration work in the integration ecosystem.

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RK
Real User
2020-06-17T17:32:58Z
Jun 17, 2020

Middleware is logical Software System that provides capabilities to other software applications, databases etc to be integrated. Middleware is analogous with Integration Software. It comes with defined capabilities like communication protocols, data transformation and mapping, connectivity etc. It also bridges physical systems and networks.
API, on the other hand is Software Architectural paradigm or a programming "style" for standardizing end-point connectivity of Systems, Applications and Data Integration.
In short, Middleware is software logical layer for Integration, while API is dominant trending/recent style/paradigm for Integration.
They go together - an API is functional definition of an Integration endpoint, while API Gateway Server is a middleware runtime component where APIs are run/hosted to be consumed by requesting applications and systems. Also API Portal is another middleware component that acts as a directory for APIs enabling their development life-cycle.

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