Abhinav discusses the fundamental differences between GraphQL and REST, emphasizing the graph-based approach of GraphQL that allows for more flexible querying and manipulation of data. The conversation also touches on the evolution of API schemas, including RaML and Waddle, and their historical context leading up to the rise of RESTful APIs around 2012. The importance of choosing the right schema for API development is highlighted, raising questions about whether to invest in a schema upfront or treat it as a refactoring task later.
