This article explores Duʿāʾ al-Tawassul, a widely recited supplication among Shīʿa Muslims, focusing on its theological significance, historical usage and debates surrounding its authenticity. Despite being deeply rooted in Islamic tradition, the practice of tawassul, particularly through this supplication, is scrutinized both within and outside Shīʿa circles. Key issues include the appropriateness of labeling it a duʿāʾ, a lack of a verified chain of narration, and theological concerns about intercession. This article critically examines these claims to create a comprehensive understanding of the practice’s legitimacy. The broader implications of these discussions on the concept of tawassul will also be examined, contributing to a deeper understanding of the overlap between the contentions with tawassul and anti-Shia sentiment.