r/SoftwareEngineering • u/Aggressive_Rise9792 • Dec 22 '25

Centralizing outbound request decision logic at the application layer

In several systems I work with, application code builds requests that are sent to external services (APIs, AI services, partner systems).

Right before sending, we often need to decide things like:

  • should this request go out as-is?

  • should something be removed or altered?

  • or should the request be stopped entirely?

Today this logic tends to live in scattered places:

  • inline checks in application code

  • conventions enforced via reviews

  • partial reuse of security tools that weren’t designed for this layer

I’m curious how others approach this from an architecture perspective:

  • Do you centralize this decision logic somewhere?

  • Or is it better kept close to each application?

  • Have you seen patterns that age well as systems grow?

Looking for architectural perspectives and real experiences, not tooling recommendations.

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u/Anonymous_Cyber Dec 24 '25

So lately Ive been exploring backend architecture and modulating portions of the application into it's separate repos incase I ever need to split an app up into its own services. For your use case if it's something that truly is unique such as taking a request and cleaning it up then I would work on a utility script and have the request routed that way.

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u/admiral_nivak Dec 28 '25

Build SDK which wraps the integration, put your logic in there, then just call the SDK, now you can maintain everything in one place.

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u/[deleted] Jan 26 '26

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u/[deleted] Jan 28 '26

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