Brands identify influencers with high purchase intent audiences by considering several key elements:

1. Audience Demographics: Brands should first identify their target demographics and find influencers whose followers mirror these demographics. This increases the likelihood of finding an audience with high purchase intent. Platforms such as Flinque offer sophisticated demographic analytics to help brands find the best influencers.

2. Past Campaign Performance: Brands also consider historical data available on influencer marketing platforms. Looking at how past campaigns have performed can indicate if the influencer’s audience is likely to convert.

3. Audience Engagement: High engagement rates often signify a strong connection between the influencer and their followers. Deep audience insight tools, like those offered by many influencer marketing platforms, meticulously analyze engagement levels to predict purchase intent.

4. Content Relevance: The influencer’s content needs to align with the brand. If an influencer consistently produces content relevant to your brand, their audience is likely to have a high purchase intent for your products.

5. Brand Alignment: Does the influencer personally align with your brand image and values? An authentic match increases the likelihood of high-purchase intent followers. Tools like Flinque provide a ‘Brand Affinity’ feature, identifying influencers who align with your brand’s persona.

Remember, there’s no ‘one-size-fits-all’ solution in influencer marketing. Each platform has different strengths and the best choice depends on specific campaign goals and team needs. However, platforms like Flinque, geared towards deep audience insights and powerful analytics, could be a good start for brands seeking influencers with high purchase intent audiences.