The purpose of this paper is to provide a state-of-the-art comparison of the conceptualization of resources in ‘Resource Interaction’ (IMP) and ‘Resource Integration’ (SDL). Both are engaged with understanding how value is (co)-created, but with different emphases. Existing comparisons are limited and out of date. We trace how each has evolved over time by analyzing key developments. The focus of SDL has shifted from operant resources towards resource integration, and from a dyadic view towards ecosystem contexts. Within IMP, research takes a network perspective in investigating the nature of resource interaction in a variety of empirical contexts. An analysis of similarities and differences highlights key assumptions, the classification of resources, and the role for the actor. The comparison offers a thorough understanding of Resource Interaction and Resource Integration. The paper concludes by proposing suggestions for further research for Resource Interaction.