“…Innumerable research has demonstrated the significant effect of social media marketing activities on consumers' purchase intentions (Arli, 2017;Chakraborty and Bhat, 2018;Ibrahim et al, 2020;Loureiro and Sarmento, 2019;Ott et al, 2016) and considering social media's immense popularity, academics and marketers have conducted extensively studied social media, celebrity endorsement and online marketing (Kumar et al, 2020). However, studies on SMIs marketing are very limited especially in Indian context (Vrontis et al, 2021) and very few research has explored the impact of SMIs on consumers' online purchase intention (Alam et al, 2022). But these studies have neglected to consider the mediating role played by Post credibility in affecting the consumers' online purchase intention, in context of influencer marketing (Borges-Tiago et al, 2023;Chakraborty and Bhat, 2018;Chin et al, 2020;Hayes and Carr, 2015;Saima and Khan, 2020;Shoukat et al, 2023) and the moderating role of homophily in influencer marketing (Gupta et al, 2021;Muda and Hamzah, 2021;Xu et al, 2021b).…”