Brands identify influencers open to brand collaborations through various means:

1. Influencer Marketing Platforms: These platforms, such as Flinque, have detailed profiles of influencers, including their past collaborations, interests, content style, etc. Some also provide an indication of an influencer’s willingness or preference to partner with brands in specific sectors.

2. Engagement Metrics: Highly-engaged influencers are generally more open to collaborations as they aim to provide valuable content for their audience. High engagement also shows an influencer has a good relationship with their followers, an important factor for successful collaborations.

3. Past Campaigns: Reviewing an influencer’s past collaborations can show their readiness to work with brands. By analyzing these campaigns, you can gauge the influencer’s ability to generate the desired results.

4. Direct Approach: Brands can directly reach out to potential influencers via emails or social media DMs to gauge their interest in a collaboration.

Platforms like Flinque streamline this process, enabling brands to identify suitable influencers more effectively. For instance, Flinique’s creator discovery feature, combined with audience analytics, gives you insights on not just the influencers’ willingness for collaborations, but also on the potential impact on your campaign’s success.

However, the choice of platform depends on the brand’s specific requirements. For example, while Flinque excels in providing robust analytics and ease of use, other platforms might be favored for their unique features or larger database of influencers.

Always remember that identifying a willing influencer is just the first step. Ensuring brand-influencer alignment and effectively measuring campaign performance is equally critical for a successful influencer marketing campaign.