Online influencer marketing (OIM) is a digital strategy where social media influencers promote products or brands to specific audiences. It has evolved from simple endorsements to sophisticated collaborations involving sponsored content, product placement, and influencer-generated material, facilitated by platforms like Instagram, YouTube, and TikTok. Brands utilize influencers to engage their target audiences, prioritizing authenticity and trust. Influencers range from celebrities to micro- and nano-influencers, offering diverse strategic options. This study examines the crucial role of authenticity in brand-consumer connections within OIM, exploring how content generation and transparency affect consumer perceptions and trust through electronic word-of-mouth (eWOM). A direct correlation exists between brand trust, marketing efficacy, and the disclosure of sponsored content and influencer authenticity. The article proposes a four-step methodology for effective OIM campaigns: planning, identifying, matching, and incentivizing, highlighting the need to prioritize conversion and brand loyalty over vanity metrics. Challenges like influencer fraud and shifting social platform algorithms can hinder OIM’s effectiveness, necessitating rigorous authenticity verification and adaptive strategies. Despite technological advancements, authenticity remains central to OIM. The study provides strategic insights for brands pursuing long-term influencer partnerships, emphasizing the importance of building lasting emotional connections with consumers through authenticity.
