Harmonic

What is Harmonic?

Harmonic is a data platform for investors and business development teams that tracks startups and the people behind them. The vendor describes it as the source of truth for startups, with more than 30 million companies and 190 million people, and reports ISO 27001 and SOC 2 Type II compliance.

Key features of Harmonic

• Scout: an AI agent that searches startups from plain language descriptions and runs scheduled research.
• Discover: filters for companies and people and network mapping from inboxes, calendars and LinkedIn.
• Research: agentic reports and investor search by stage, sector, geography and check size.
• Act: opportunity tracking and alerts when companies become actionable.
• API: REST and GraphQL access.
• Bulk data: warehouse delivery of full records.

How Harmonic works

Harmonic continuously tracks companies, funding and hiring. Investors search and filter in the console, let Scout monitor themes, and push data to CRMs or warehouses through the API and bulk delivery.

Who uses Harmonic?

Harmonic serves venture capital, growth capital, corporate development and go to market teams, and publishes the quarterly Harmonic Hot 25 Startups list.

Harmonic pricing

Harmonic does not publish prices. The Console, API and Bulk data plans each have a Get pricing button, and a 30 minute demo is offered. Console access includes MCP trial credits.

Harmonic integrations

The vendor names a Chrome extension, Zapier, n8n, the Harmonic API, bulk delivery to data warehouses or cloud storage via S3, BigQuery and Snowflake, and an MCP server.

Harmonic alternatives

ZoomInfo is a large B2B contact and sales intelligence database. Preqin covers private capital markets data. Grata and SourceScrub focus on finding private companies for dealmakers. Harmonic centers on startups and early stage signals.