This study aims to examine the effects of perceived usefulness, perceived ease of use, and promotion on students' intention to use the LinkAja Syariah application at the Faculty of Islamic Economics and Business, IAIN Kendari. The study employed a quantitative approach using multiple linear regression analysis. A total of 93 respondents were selected through purposive random sampling, and data were collected using questionnaires distributed to LinkAja Syariah users. The results indicate that perceived usefulness (β = 0.202; p = 0.008), perceived ease of use (β = 0.236; p = 0.001), and promotion (β = 0.544; p < 0.001) each have a positive and significant effect on the intention to use LinkAja Syariah. Furthermore, the variables jointly have a significant effect on user intention. The coefficient of determination (R² = 0.794) indicates that 79.4% of the variation in intention to use LinkAja Syariah is explained by the three independent variables, while the remaining 20.6% is attributable to other factors not examined in this study. These findings highlight the importance of enhancing application usefulness, ease of use, and promotional strategies to encourage the adoption of Sharia-compliant digital payment service
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