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Compare Harmonic API pricing and alternatives
Last verified: Aug 20, 2026Harmonic is an API-native startup database, aimed at investors who want to integrate sourcing signals inside their own tools.It tracks 30 million companies and 200 million people, and serves them over REST, GraphQL and a hosted MCP server. Pricing is not officially published.This page compares Harmonic API with five high-quality private markets APIs carrying startup and transaction data, like PitchBook, Multiples and Crunchbase.
What is the Harmonic API?
Harmonic provides an AI-first startup intelligence and private market database platform. Its developer-friendly API allows teams to programmatically discover early-stage firms, run automated background research, and enrich internal customer relationship management databases with real-time market signals.
Pricing-wise, Harmonic operates on custom enterprise agreements with pricing available only upon request via demos (reported at $10,000-$30,000 a year). Users choose plans based on deployment depth, ranging from programmatic data enrichment via API, no-code syncing options, to full data warehouse bulk integration.
Harmonic's primary client base consists of prominent VC firms, growth equity funds, and M&A teams who rely on the platform for proactive deal sourcing. Common use cases: automated inbound dealflow filtering, mapping founder/people movement, syncing private company insights into internal software/workflows.
| Harmonic | Multiples | Crunchbase | PitchBook | Grata | CB Insights | |
|---|---|---|---|---|---|---|
| License cost | Quote only* | from $1,499/mo | $30k+/yr* | $70k+/yr* | Quote-only | Quote only* |
| Type | REST · GraphQL | REST | REST | REST | REST | REST |
| Geo coverage | Global | Global | Global | Global | US | Global |
| Public companies | No | Yes | No | Partial | No | No |
| Private companies | Yes | Yes | Yes | Yes | Yes | Yes |
| Cross asset coverage | No | No | No | No | No | No |
| Consensus estimates | No | YesLicensed from FactSet | No | Yes | No | No |
| Metrics coverage | Company signals, headcount, founder moves, team composition | Basic fundamentals, estimates, prices, valuation ratios | Funding rounds, amounts, investors, profiles | Fundamentals, deals, fund data, news | Company profiles, firmographics, contacts | Funding data, research, Mosaic scores |
| Pre-computed ratios | No | Yes | No | Partial | No | No |
| Real-time prices | No | No | No | No | No | No |
| Time to first call | Days | Minutes | Days | Weeks+ | Weeks+ | Weeks+ |
* = reported figure; vendor does not publish pricing. Harmonic company and people counts are vendor-claimed. Prices are stated as they stand in August 2026.
Overview of Harmonic API alternatives
| Product | Overview | Pricing | Strengths | Limitations |
|---|---|---|---|---|
| Multiples | Investment-grade financial data API provider. Complete coverage across both private and public comps. Public markets licensed from FactSet and Morningstar. Deal dataset includes data points across 500K+ transactions (M&A and funding rounds, minority and majority deals). Deeper actual data insights vs. Harmonic, valuation multiples and information on deal terms. Multiples can be the API complement to Harmonic, rather than the full substitute (use Harmonic for signals, Multiples for high-quality valuation data). Pricing starts at $1,499 a month. |
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| Crunchbase | Crunchbase API provides programmatic access to startup profiles, funding rounds, amounts raised and investor data over a REST v4 interface. It records events after they are announced, whereas Harmonic tries to flag companies before a round is public through hiring and founder signals. Crunchbase carries almost no valuations or deal terms, the free tier was withdrawn, and API access is sold on enterprise plans (reported from $30,000 a year). |
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| PitchBook | PitchBook API delivers the deepest private markets dataset - deals, deal terms, funds, fund returns, LP commitments and people. Compared to Harmonic, PitchBook is built around confirmed transactions and fund data rather than early sourcing signals. It is also far more expensive: a platform license plus a standalone API agreement, reported from $70,000 a year. |
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| Grata | Grata API exposes a proprietary US-centric dataset of 21M+ private companies and 8M+ executive contacts through Search, Similar and Enrichment endpoints. It focuses on the US mid-market, including bootstrapped and founder-owned companies that never raised VC money (which Harmonic-style signal tracking tends to miss). Neither Grata nor Harmonic provides much financial data, deal terms or public comps. |
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| CB Insights | CB Insights API returns company profiles, funding data, market maps and its proprietary Mosaic scores. It is a research product first, sold to platform customers rather than as a standalone feed, and reported at $40,000-$100,000 a year. Harmonic is the more API-native option and stronger on early signals, whereas CB Insights is better for packaged sector research and curated trend data. |
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Which Harmonic API alternative fits your use case?
| Platform | Best For | Institutional grade | Equity coverage | Deals coverage | Geo coverage | Real-time data | Ease of implementation |
|---|---|---|---|---|---|---|---|
| Harmonic | VC and growth funds, startups, corporate innovation teams | Medium | Low | High | High | Low | High |
| Multiples | M&A advisors, VC and PE funds, corp dev teams and CFOs | High | High | High | High | Low | High |
| Crunchbase | VCs, sales and BD teams, startups, angel investors | Low | Low | Medium | High | Low | High |
| PitchBook | Large PE funds, investment banks, enterprise clients | High | Medium | High | High | Medium | Low |
| Grata | US mid-market M&A and PE sourcing teams | Medium | Low | Medium | Low | Low | High |
| CB Insights | Corporate strategy teams, VCs, growth equity, governments | High | Low | Medium | High | Low | Medium |
Should you choose Harmonic or look for an alternative?
Harmonic strengths
- API-native product, wide company and people graph aimed at early stage and stealth discovery
- Signals from hiring, web, and talent activity that e.g. Crunchbase often misses
- Deep integration / delivery - S3, BigQuery or Snowflake on a weekly refresh, native Salesforce, HubSpot and Affinity integrations
Harmonic trade-offs
- Harmonic is a company intelligence product, does not have investment-grade financials, public comps data, etc.
- Contact data is thin; teams usually pair it with a separate enrichment vendor
- Coverage is broad, but not audited PE/VC deal terms like Multiples or PitchBook
Why Harmonic API might not be the best choice for your team
No deal terms or valuations
Harmonic tracks company and people activity. It does not carry round valuations, deal terms or exit multiples, so it is not the best source if you require IB-style transaction feed or valuation multiples.
Sourcing tool, not a research database
Harmonic is built to find early-stage and stealth companies from hiring and web signals. It is not PitchBook - you do not get cap tables, deal terms, fund performance or anything similar. Choose other providers if you look more for a database product.
No public markets data
Harmonic API does not include any data on public comps. For that, consider Multiples, FactSet, Capital IQ or LSEG.
Limited use case outside of tech
Harmonic API performs strongest when you are a VC looking for early-stage opportunities. It is weaker for traditional PE, strategic M&A, and generally non-tech segments.
Frequently asked questions about Harmonic API
What the Harmonic API covers, data delivery, and which APIs fill its gaps.
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