Currently, several technologies are being used together to improve the quality of services for people. Specifically for the health area, the application possibilities involving both software and hardware are quite diverse. Internet of Things (IoT) and blockchain are two technologies that are currently integrating more and more to provide better services, taking advantage of their characteristics. This work proposes an architecture for the collection and storage of e-health data, based on IoT and blockchain. For its validation, a prototype was designed and the flow of operations was analyzed. Preliminary results indicated the proposed architecture has the potential to integrate IoT and blockchain to support e-health applications, enabling research and application development, but a broader study with IoT devices is needed for a better assessment.