v1.0Last updated April 2024

Harmanic API Reference

Welcome to the Harmanic API— programmatic access to the world's most comprehensive B2B intelligence database. Query 20M+ companies, 700M+ people, and real-time market signals via REST and GraphQL.

💡

Base URL: https://api.harmanicai.com/v1
All requests must use HTTPS. HTTP requests are rejected with 301 Redirect.

Quick Start

bash — Search Companies

curl -X POST "https://api.harmanicai.com/v1/companies/search" \
  -H "apikey: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "query": "AI infrastructure",
    "filters": {
      "headcount": { "min": 10, "max": 500 },
      "funding_stage": ["Series A", "Series B"],
      "hq_country": ["US"]
    },
    "page": 1,
    "page_size": 10
  }'

200 OKResponse

{
  "results": [
    {
      "id": "urn:harmanic:company:openai",
      "name": "OpenAI",
      "website": "https://openai.com",
      "headcount": 1500,
      "funding_total": 11300000000,
      "funding_stage": "Series C",
      "founded_year": 2015,
      "hq_location": { "city": "San Francisco", "state": "CA", "country": "US" },
      "tags": ["AI", "Machine Learning", "LLM"]
    }
  ],
  "total": 847,
  "page": 1,
  "page_size": 10,
  "has_more": true
}

SDK Libraries

🐍

Python

pip install harmanic

🟩

Node.js

npm install @harmanic/sdk

🔵

go get harmanicai.com/sdk

Support

Questions? Email api@harmanicai.com or open a ticket in your Console.

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