CAPTURE research project investigates what information about the creation and use of research data that is paradata) is needed and how to capture enough of that information to make the data reusable in the future. The wickedness of the problem lies in the practical impossibility to document and keep everything and the difficulty to determine how to capture just enough. The empirical focus of CAPTURE is archaeological and cultural heritage data, which stands out by its extreme heterogeneity and rapid accumulation due to the scale of ongoing development-led archaeological fieldwork. Within and beyond this specific context, CAPTURE develops an in-depth understanding of how paradata is being created and used today, elicits methods for capturing paradata, tests new methods in field trials, and synthesises the findings in a reference model to inform the capturing of paradata and enabling data-intensive research using heterogeneous research data stemming from diverse origins. This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme grant agreement No 818210.