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Trusted by top teams to build pipeline faster
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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.

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
Monitor markets with granular filters

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.
Deep filters on background, expertise, and team composition

Meet Scout

The AI agent made to search and evaluate startups

Find. Search using your exact customer profile criteria. Scout understands buying signals that basic filters miss.
Rank. Surface the best fits first. Companies with budget, momentum and the problem you solve.
Analyze. Generate instant prospect reports with the intel that matters. What they're building, who they compete with, why they'd buy from you.

Enhance your entire workflow

Map and monitor your
team’s network
Track connections, movements and communications, making every intro warm
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Organize your outbound motion without leaving Harmonic
Manage target accounts with custom fields, track outreach status, and sync everything to your CRM.
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Instant insights from the
Harmonic Chrome Extension
Download Extension
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For developers

Developer-centric

Integrate your way

Expertly crafted API
Integrate with REST or GraphQL, tailor your integration strategy with our flexible API.
Complete Bulk Delivery
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",