This study delves into a comprehensive evaluation of the impact of artificial intelligence (AI) adoption on enhancing and refining user experiences in mobile e-commerce. Its primary focus is on meticulously scrutinizing the ramifications and effects of integrating AI technologies, particularly in the context of mobile platforms, to determine the discernible impact on the overall user experience paradigm. The main objective of this study is to determine the relationship between user perception, consumer behaviour, perceived impact on sustainable development and trust in AI technology among random respondents in Malaysia. A total of 140 questionnaires were collected subsequently. Using SPSS tools containing descriptive analysis, reliability, and Spearman correlation analysis were carried out. The result shows that it has been confirmed that there are positive and significant relationships between user perception, consumer behaviour, perceived impact on sustainable development and trust in AI technology among random respondents in Malaysia. This study has implications for businesses, consumers' experience, trust, and consumer behaviour. This research acts as a strategic guide, navigating the intersection of technological innovation and sustainable commerce, offering a precise understanding of the intricate dynamics at play.