# Harmonic, contact us: Company enrichment API

> Get detailed information about a company, including its funding, location and founders.

Harmonic's company enrichment API on its API access plan. It returns 7 of the 13 key fields we check: Description, Type and status, Images, Employees, Headquarters, Locations, Funding.
We haven't run Harmonic through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
Harmonic gives this plan's price on request. We rank 1,451 plans for company enrichment APIs by price. Half the plans cost $9.00 per 1,000 companies or less.
[Extruct's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/extruct/49-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Extruct's company enrichment API costs nothing beyond the plan price.
[CNPJ API's R$99 monthly plan (/bulk-cnpj)](https://datacircle.dev/company-enrichment-apis/cnpj-api/r-99-monthly-pro-post-bulk-cnpj/llms.txt) covers any number of companies in Brazil only. CNPJ API's R$99 monthly plan costs less up front than Extruct's $49 monthly plan.
[GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [SEC EDGAR](https://datacircle.dev/company-enrichment-apis/sec-edgar/free/llms.txt) and [GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/harmonic/contact-us
- [Company enrichment API: 130+ providers compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://harmonic.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `POST https://api.harmonic.ai/companies`
- API key: with the plan, on https://harmonic.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://console.harmonic.ai/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Sold by: Harmonic (https://harmonic.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 54%
- Description: ✓
- Type and status: ✓
- Images: ✓
- Employees: ✓
- Headquarters: ✓
- Locations: ✓
- Funding: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Get detailed information about a company, including its funding, location and founders.

## Data

- Keep data: no limit
- Use data: only for your internal business purposes, such as investment, research, recruiting, sourcing, corporate development and business development, you may not publish, display, license, sell or provide Company Data to a third party without Harmonic's prior written approval

## Speed

- Answer: in the call

## The call

- You send: website domain, LinkedIn URL or other company URL
- Method: POST
- Path: /companies

## About the plan

- Plan: API access
- Who can get it: anyone

## The 39 fields the plan's answer can hold

company type, contact, corrected headcount, currently raising, customer type, description, employee highlights, entity URN, external description, external headcount, founder story, founding date, funding, funding rounds, headcount, headquarters, highlights, ID, initialized date, investor URN, leadership prior companies, legal name, location, logo URL, name, name aliases, notable followers, ownership status, people, related companies, short description, socials, stage, tags, traction metrics, updated at, web traffic, website, website domain aliases

## Harmonic's plans (1)

- [Harmonic, contact us](https://datacircle.dev/company-enrichment-apis/harmonic/contact-us/llms.txt): 54% complete

## Harmonic's calls for this API (1)

- `POST /companies`: [Harmonic, contact us](https://datacircle.dev/company-enrichment-apis/harmonic/contact-us/llms.txt)

## Harmonic's APIs (4)

- [Harmonic: company discovery API pricing, 1 plan](https://datacircle.dev/company-discovery-apis/harmonic/contact-us/llms.txt)
- [Harmonic: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/harmonic/contact-us/llms.txt)
- [Harmonic: similar companies API pricing, 1 plan](https://datacircle.dev/similar-company-apis/harmonic/contact-us/llms.txt)
- [Harmonic: people enrichment API pricing, 1 plan](https://datacircle.dev/person-enrichment-apis/harmonic/contact-us/llms.txt)

## Harmonic: company enrichment API alternatives

- [Skrapp, contact us, Custom plan, GET /api/v3/companies/snapshot](https://datacircle.dev/company-enrichment-apis/skrapp/contact-us-custom-plan-get-api-v3-companies-snapshot/llms.txt): 54% complete, 24 hours
- [AgentData, contact us](https://datacircle.dev/company-enrichment-apis/agentdata/contact-us/llms.txt): 54% complete, stored
- [Autobound, contact us](https://datacircle.dev/company-enrichment-apis/autobound/contact-us/llms.txt): 54% complete, 1 month
- [Sumble, contact us, Enterprise, POST /v9/organizations, Organizations](https://datacircle.dev/company-enrichment-apis/sumble/contact-us-enterprise-post-v9-organizations-organizations/llms.txt): 54% complete, 1 day
- [Forestreet, contact us](https://datacircle.dev/company-enrichment-apis/forestreet/contact-us/llms.txt): 54% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.

- https://api.harmonic.ai/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://harmonic.ai/legal/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://harmonic.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://support.harmonic.ai/en/articles/12785899-harmonic-mcp-server-getting-started-guide?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://support.harmonic.ai/en/collections/3238662-api-bulk-data-integrations?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing