INTRODUCTION:Crowdsourcing. a participatory approach to solicit ideas from a large group of diverse individuals. provides an opportunity to nurture youth participation in HIV self-testing service design. The objective of this study was to describe the responses to a crowdsourcing contest aimed at soliciting ideas on how to promote HIV self-testing (HIVST) among young people in Nigeria. https://parisnaturalfoodes.shop/product-category/ph-paper/