Influencer marketing platforms typically adopt a combination of measures to verify the authenticity and credibility of influencers. Some of these measures include:

1. Follower Analysis: They scrutinize the follower base of influencers to identify any unusual patterns or signs of fake followers.

2. Content Examination: Platforms assess the quality, relevance, and originality of the influencer’s content, along with the level of engagement it receives.

3. Social Media Source Verification: They confirm whether the social media accounts are indeed owned and managed by the influencers.

4. Audience Demographics: Platforms evaluate the geographical distribution and demographic profile of the influencer’s followers to assess if it aligns with their claimed target group.

5. Engagement Metrics: They examine engagement rates such as likes, comments and shares, to verify an influencer’s genuine interaction with their audience.

Platforms such as Flinque, for instance, provide a comprehensive influencer vetting process that includes these and more intricate analyses like sentiment analysis to ensure brands connect with credible influencers. However, each platform might have a distinct approach towards influencer verification, and the choice would depend on the specific needs of the brand or agency. Thus, it’s essential to assess the measures taken by different platforms and choose one that aligns best with your requirements.