What is the difference between first party and third party code?

What is the difference between first party and third party code?
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#1

Hi, I searched about first party and third party code. I could not find spesific information. Can someone tell me, what is the difference between first party and third party code ?


#2

In what context? Third-party is “someone else”, so normally either:

  • code in your codebase that is not yours and not controlled by you (think libraries, frameworks, scripts, calling APIs, etc).
  • updates/add-ons for software that are released by parties that are not the original developer (like fan mods for games).

First-party is the opposite, but it’s very rarely used in common written/spoken English outside of descriptions of insurance.