Having reliable, ongoing, and timely field data from development projects or supply chains is a perennial challenge for decision makers.  A series of innovations that we refer to as Agile Data are opening new frontiers of timeliness, cost, and accuracy. Published in the open source journal Sustainability, this paper is a collaboration between COSA and its partners for piloting Agile Data tools and methods, International Center for Evaluation and Development (ICED) and GDi Partners (GDi).