The PoC or Proof of Concept is a study of the feasibility and viability of a product or service from a technical, commercial and economic point of view. Looking for online definition of POC or what POC stands for? POC is listed in the World's most authoritative dictionary of abbreviations and acronyms PoC can occur at any point in the software development life cycle. You can use it at the start to test the viability of the entire idea, or you can use it halfway through the project to test a specific feature. So, what is proof of concept in a software or tech context? A proof of concept (POC) is a short-term, small-scale implementation that tests whether an idea or solution is technically viable. The primary goal isn’t to build a working product—it’s to answer the question: Can this be done at all?