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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

“Marketing ops needed realtime, accurate, reliable data enrichment - Harmonic filled that gap for us. It just works really well.”

- Notion

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.

“My team was using Harmonic for pre-call research, outbound prospecting - and pretty quickly they just wanted everyone on this.”

- Vanta

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.

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

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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",

Recruiting at startup speed: How Quantum turns market data into hiring power with Harmonic