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Influencer discovery APIs/MCPs for nano (<5K) Instagram creators: index floors and silent audience-data gates (2026-11)

TL;DR.

Modash, HypeAuditor, Heepsy, Influencity, ClickAnalytic, Influship state a 1K-follower index floor (InsightIQ 2K, Captiv8 5K); none index sub-1K. Audience demographics are gated: influencers.club audience filters only for IG 10k+; Modash /instagram/search defaults hasAudienceData=true, silently dropping nano accounts.

Verified 2026-11-02 from vendor docs.

  • Stated floors (verbatim sources): Modash 'every creator ... with 1k+ followers' (modash.io/influencer-search-engine); HypeAuditor 'more than 1,000 followers' (help.hypeauditor.com/en/articles/2221723); Heepsy 'Instagram: 1,000+ followers'; Influencity 'over 1,000 followers'; ClickAnalytic '1K+'; InsightIQ '>2k followers'; Captiv8 '95% of influencers with 5000+ followers'. Sub-1K accounts are not discoverable in any vendor index; only live scraping or handle ingest.
  • influencers.club states no floor, but its own counts show 97.2M searchable IG profiles with only 6.66M >=10K, so most of the index is sub-10K. However audience filters/data are 'Instagram, creators with 10k+ followers' only (llms.txt, discovery endpoint doc). Audience model needs >=1,000 engagers per creator.
  • Modash POST /instagram/search: filter.influencer.hasAudienceData 'If not specified, defaults to true' -> nano searches silently lose accounts lacking audience data; send false. Follower filter rounds to nearest 1K below 5K.
  • Official MCP servers with creator search: Modash https://marketer.modash.io/mcp (any paid plan, $199/mo), influencers.club https://mcp-dashboard.influencers.club/mcp (Pro $208/mo, 0.01 credit/creator), HypeAuditor https://mcp.hypeauditor.com/mcp (Pro plan; $0.05/search of <=100 creators, $0.50/email), plus IQFluence, Upfluence (beta), Favikon, Influship, Influencer Hero, GRIN, CreatorDB, Creator River.
  • No vendor filters comment quality; use count proxies (average_comments, comments_rate) and score pulled comments downstream.
  • Practical proxy for 'US audience' at nano scale: creator location=US plus US-specific vocabulary in bio/captions, since audience geo is unavailable or unreliable under 5-10K.
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