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Harmonic is the source of truth for startups

Harmonic helps you find startups ready to buy before your competitors do. Get real-time signals on hiring, funding, and company milestones.

Reach out when the timing is perfect, not when your outreach is just noise. Proprietary data on millions of startups with AI that automates prospecting from discovery to decision.

Meet Scout
The AI agent made for investors
Find
Search the way you think.
Scout maps markets, evaluates momentum and understands intent.
Hey Scout. Where are the opportunities in the AI infra stack? Highlight category leaders, and describe their differentiation
Screen
Research opportunities that match your criteria.
Save hours of sifting through results.
Create a research report. I want to see whether their founding team and product trajectory match my thesis on vertical AI infrastructure
Analyzed founding team background
Mapped competitive positioning
Assessed growth trajectory
Reviewed funding history
Act
Scout prioritizes, drafts, and delivers.
Insight to action in one conversation.
Draft outreach
Acme
Hi Max,

I've been tracking the shift to agent-based observability and Acme keeps coming up as the category leader. Your traction with Fortune 500 dev teams and technical approach (agents vs legacy polling) maps directly to our thesis on next-gen infrastructure.I'd love to learn more about your product roadmap and how you're thinking about defensibility as Datadog and New Relic add AI features.Worth a conversation?Best,[Your Name][Fund Name]

Reach out when the time is right

Automated, event-based signals trusted by leading investors for:
  • Fundraises: new budget, new priorities
  • Hiring: first sales hire, CFO, security roles — team expansion that signals your product fits
  • Growth milestones: new markets, product launches, traffic surges

Deep research reports for smarter outreach

Understand what they're building, who they compete with, what makes them different, and why now. Generated in seconds.

Enhance your entire workflow

Map and monitor your team’s network
Track connections, movements and communications, making every intro warm
Organize sourcing and win deals on Harmonic
Manage your top-of-funnel with custom fields or enrich your CRM with our API
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Developer-centric

Integrate your way

Expertly crafted API
Integrate with REST or GraphQL, tailor your integration strategy with our flexible API.
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Build and model with low latency and maximum flexibility by having the complete startup database delivered directly to your data warehouse or cloud storage bucket.
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query Query($getCompaniesInSavedSearchesByIdOrUrnId: String!) {     
 getCompaniesInSavedSearchesByIdOrUrn(idOrUrn:123){
  name
   description
    headcount                                                       
   funding {
     fundingTotal
     fundingRounds {
       fundingAmount
       investors {
         investorName
         isLead
       }
       fundingRoundType
     }
   }
   highlights {
     text
   }
   tagsV2 {
     displayValue
   }
   website {
     domain
   }
   webTraffic
   tractionMetrics {
     webTraffic {
       ago30d {
         percentChange
       }
     }
     headcountEngineering {
       ago90d {
         percentChange
       }
     }
   }
 }
}
}
REQUEST
GET https://api.harmonic.ai/savedSearches:results/123
RESPONSE
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{

   "count": 1,

   "results": [

     {

         "entity_urn": "urn:harmonic:company:123456",

         "id": 123456,

         "initialized_date": "2020-10-27T08:07:19.940106",

         "website": {

           "url": "string",

            "domain": "string",

            "is_broken": true

          },

          "customer_type": "B2C",

          "logo_url": "string",

          "name": "string",