# STARTUP DB, contact us: Company headcount API

> STARTUP DB APIは、STARTUP DBが保有するスタートアップ企業の様々なデータをAPI形式で提供します。

STARTUP DB's STARTUP DB API plan lets you call the company headcount API. We check each provider's docs for 5 fields. STARTUP DB's docs list 1: Total.
We haven't run STARTUP DB through [our company headcount API benchmark](https://datacircle.dev/best-company-headcount-api.txt) yet.
STARTUP DB gives this plan's price on request. We rank 301 plans for company headcount APIs by price. Half the plans cost $4.833 or less per 1,000 companies.
[Kooperativa's $499 monthly plan](https://datacircle.dev/company-headcount-apis/kooperativa/499-monthly/llms.txt) is the cheapest paid plan per 1,000 companies. Kooperativa's $499 monthly plan charges nothing per call. You get as many companies as Kooperativa's rate limit allows. [ApiPeru's PEN 150 yearly plan](https://datacircle.dev/company-headcount-apis/apiperu/pen-150-yearly/llms.txt) costs the least for 10,000 companies a month: about $3.65.
[Scrappa](https://datacircle.dev/company-headcount-apis/scrappa/10-pack/llms.txt), [Bridgly](https://datacircle.dev/company-headcount-apis/bridgly/300-pack/llms.txt) and [DataForB2B](https://datacircle.dev/company-headcount-apis/dataforb2b/499-monthly/llms.txt) are the best company headcount API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-headcount-apis/startup-db/contact-us
- [Company headcount API in 2026: the 16 best of 80+ compared](https://datacircle.dev/best-company-headcount-api.txt)
- Get it: https://startup-db.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- Request: Docs on request from sales
- API key: with the plan, on https://startup-db.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- Its API docs: https://lp.startup-db.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- Sold by: STARTUP DB (https://startup-db.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 20%
- Total: ✓

## Price

- Billing: contact

## Aggregators

- Aggregators: none

## In their words

- Their pitch: STARTUP DB APIは、STARTUP DBが保有するスタートアップ企業の様々なデータをAPI形式で提供します。

## Data

- Countries: Japan
- Keep data: no limit
- Use data: ユーザーは、当社の事前の書面または電磁的方法による承諾なく、APIサービスの利用を通じて取得した情報およびデータ、ならびにユーザーがAPIサービスの提供目的の範囲内でこれらを加工、分析、統合することなどにより生じた情報（以下「API情報等」といいます）を複製し、第三者に開示、提供もしくは漏えいしてはなりません。 [...] ユーザーは、別途ユーザーが利用する生成AIを用いたサービスに対してAPI情報等を入力、提供してはなりません。かつ、当該生成AIの学習機能にAPI情報等を用いてはなりません。 [...] ユーザーは、書面または電磁的方法等の手法、および有償無償を問わず第三者向けの資料、提供サービスまたはプロダクト等にAPI情報等を転載その他利用するときは、事前に当社の書面または電磁的方法による承諾を得なければならず、また、API情報等の引用元が当社である旨を当該資料に記載するものとします。ただし、その場合であっても、API情報等のうち個人情報に該当する情報は第三者へ提供してはなりません。 [...] ユーザーは、API情報等を使用して当社の類似サービス等を第三者へ提供してはなりません。

## The call

- You send: Docs on request from sales

## About the plan

- Plan: STARTUP DB API
- Who can get it: corporations and organizations only (法人または団体に限ります), registered for the API service by STARTUP DB

## The only field the plan's answer can hold

employee count history

## STARTUP DB's plans (1)

- [STARTUP DB, contact us](https://datacircle.dev/company-headcount-apis/startup-db/contact-us/llms.txt): 20% complete

## STARTUP DB's calls (1)

- Docs on request from sales: [STARTUP DB, contact us](https://datacircle.dev/company-headcount-apis/startup-db/contact-us/llms.txt)

## STARTUP DB's APIs (3)

- [STARTUP DB: company enrichment API pricing, 1 plan](https://datacircle.dev/company-enrichment-apis/startup-db/contact-us/llms.txt)
- [STARTUP DB: company funding API pricing, 1 plan](https://datacircle.dev/company-funding-apis/startup-db/contact-us/llms.txt)
- [STARTUP DB: company headcount API pricing, 1 plan](https://datacircle.dev/company-headcount-apis/startup-db/contact-us/llms.txt)

## STARTUP DB: company headcount API alternatives

- [Pipecorn, contact us, Scale, custom volume, POST /accounts/count_profiles, # people at company](https://datacircle.dev/company-headcount-apis/pipecorn/contact-us-scale-custom-volume-post-accounts-count-profiles-people-at-company/llms.txt): 20% complete, stored
- [Thinknum, contact us, Request Demo, GET /companies/metrics](https://datacircle.dev/company-headcount-apis/thinknum/contact-us-request-demo-get-companies-metrics/llms.txt): 20% complete
- [BrightQuery, contact us](https://datacircle.dev/company-headcount-apis/brightquery/contact-us/llms.txt): 20% complete, 1 month
- [Direct Data, contact us, Pós-pago, GET /api/CadastroPessoaJuridica](https://datacircle.dev/company-headcount-apis/direct-data/contact-us-pos-pago-get-api-cadastropessoajuridica/llms.txt): 20% complete, stored
- [Sourcescrub, contact us](https://datacircle.dev/company-headcount-apis/sourcescrub/contact-us/llms.txt): 20% 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 2026-11-09.

- https://lp.startup-db.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- https://lp.startup-db.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing
- https://startup-db.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-headcount-api-pricing