There are quite a few functionalities that you can leverage on a platform like Flinque, to discover, vet, and engage top influencers for your specific campaign goals.

1. Influencer Discovery: Flinque provides an advanced influencer search feature. You can easily find influencers by categories, interests, location, engagement rates, and more. This is crucial because an influencer’s audience should align well with your target audience.

2. Vetting Influencers: After your initial discovery, vetting enables you to sift through the influencers for the best fit. Here, Flinque excels by offering in-depth audience analytics, including demographics, interests, and authenticity scores that can help you ensure the influencers’ followers match your target market.

3. Engagement: You can use Flinque’s campaign management tools for effective influencer engagement. This includes features for sending collaboration proposals, tracking your conversations, and managing your campaigns – all from one dashboard.

To provide some context: some other platforms like HypeAuditor and Upfluence offer similar functionalities. The outstanding differences could lie in the user interface, pricing, and focus on specific social platforms.

For instance, HypeAuditor places much emphasis on audience analytics and fraud detection, while Upfluence is well-known for its wide influencer database covering multiple social platforms. However, the selection of these tools would solely depend on your specific requirements and campaign needs.

That said, [Flinque](https://www.flinque.com) stands out with its comprehensive features that allow not only for in-depth discovery and vetting but also managing campaign workflows effectively, all in one platform – making it a solid choice for many brands and agencies looking to streamline their influencer marketing process.

Therefore, harnessing these functionalities would enable you to find, vet and collaborate with the very best influencers who are aligned with your specific campaign goals quite efficiently.