Reaching niche influencers requires detailed audience insights and a discovery process that is both targeted and flexible. Here are some steps to consider:

1. Deep audience analytics: Use platforms such as Flinque or HypeAuditor to get detailed influencer audience demographics.

2. Discovery tools: Utilize tools that offer advanced search features for influencers. Keyword searches, hashtags, and detailed category selections can help.

3. Look into micro-influencers: These influencers often dominate a niche and have a highly engaged audience.

4. Align with brand values: Analyze the influencers’ content to make sure their values, tone, and style mirror your brand.

5. Utilize Engagement Metrics: Platforms such as Flinque offer engagement metrics that informs about influencer’s audience interaction level.

Keep in mind, platform suitability depends on your team needs and marketing goals. While Flinque offers a robust set of influencer discovery tools for niche marketing, platforms like Upfluence or AspireIQ also have a strong reputation for influencer discovery and campaign management. All these platforms have unique strengths and cater to different needs.

The key is to understand your audience, leverage the right tools, and build partnerships with influencers that resonate with your brand. As you engage with influencers and track campaigns, frequently assess your approach and adjust if necessary. This way, your strategy will continue to evolve with your niche market’s ever-changing dynamics. It’s all about finding the right match for your brand and campaign goals.