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Trusted by top teams

Sourcing superpowers

Discover hidden gems

Our ever-growing database of 20M+ companies and 160M+ people ensures you’re never missing an opportunity.

Create, tune and save hyper-specific searches
Identify new promising companies
Effortlessly find the needle in the haystack
Uncover fast growing companies

Don't miss deals

Get the most from your team's network

Stay up to date by syncing connections across your entire team.

Monitor network movements, track communications, and make every intro warm

Real-time alerts

Monitor talent and companies

Stay in the know and reach out at just the right time, courtesy of the fastest refresh rate out there.

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Get alerts as soon as a company becomes actionable

Truly integrated

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Never waste time double-sourcing, missing a warm path in, or wondering whether your firm has ever engaged.

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A new way to search and outbound All the context you need in one tool

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For developers

Developer-centric

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Expertly crafted API
Integrate with REST or GraphQL, tailor your integration strategy
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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",

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
Analyst 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

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