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Harmonic is the source of truth for startups

Discover companies 6 months ahead of the competition, research them in minutes, and move with conviction.

Proprietary data on millions of startups and their founders, with AI that automates your investment workflows from discovery to decision.

Meet Scout

The AI agent made for investors

Find. Search the way you think. Scout's AI understands your intent and delivers.
Rank. Surface only the opportunities that match your investment thesis, saving you hours of sifting through results.
Analyze. Generate market maps, view talent movement, and create diligence reports instantly.

“We found 4 out of our last 9 deals on Harmonic”

Discover deals before the competition

Get notified at company formation or when they meet your thesis
Granular filters on the freshest data

Find the best founders first

Get notified when top founders go stealth, switch roles, or start something new

Enhance your entire investment workflow

Map and monitor your 
team’s network
Track connections, movements and communications, making every intro warm
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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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Instant insights from the Harmonic Chrome Extension
Download Extension
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“It feels like you've leapfrogged pretty much everybody else.

The recommended companies is so much better than any of these other tools out there. That's really awesome”

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",

Visionary investors run on Harmonic

“Harmonic instantly turned Floodgate into a data-driven firm. Its automated tools have become fundamental to our sourcing and networking efforts.”
Floodgate
Mike Maples
Co-founding Partner at Floodgate
“The Harmonic platform has decisively enhanced my productivity.”
Teamworthy
Brian Cashin
VP at Teamworthy
“If we lost Harmonic it would be a 9/10 bad day”
Anonymous
Anonymous
From a Top 3 VC Firm
“…Harmonic’s Chrome extension has become my default tool when coming across a new business”
Ben Kany
Principal at Bedrock
“They have the best data, the easiest-to-use API, and they’re working on a number of capabilities that will soon replace many of the other systems we’re using”
Fin Capital
Fan Wen
Investor at Fin Capital
“Harmonic uncovers the earliest-stage companies from a variety of data sources well before other providers do”
Ridge Ventures
Zain Rizavi
Principal at Ridge Ventures