# CompanyProof, $99 monthly: Company hierarchy API

> Explore returned parent and subsidiary relationships. Connect related companies without losing the identity and jurisdiction of the specific business you are reviewing.

CompanyProof's Starter plan for the company hierarchy API costs $396.00 per 1,000 companies. CompanyProof's docs list none of the 3 fields on our checklist: Company, Parent and Family tree.
We haven't run CompanyProof through [our company hierarchy API benchmark](https://datacircle.dev/best-company-hierarchy-api.txt) yet.
We rank 121 plans for company hierarchy APIs by price. Half the plans cost $14.023 or less per 1,000 companies. This plan costs less per 1,000 companies than 7% of the 121 plans.
[DanskCVRAPI's DKK 599 (about $90) monthly plan](https://datacircle.dev/company-hierarchy-apis/danskcvrapi/dkk-599-monthly/llms.txt) is the cheapest paid plan per 1,000 companies: $0.045. DanskCVRAPI's plan covers companies in Denmark only. [DanskCVRAPI's DKK 99 monthly plan](https://datacircle.dev/company-hierarchy-apis/danskcvrapi/dkk-99-monthly/llms.txt) costs the least for 10,000 companies a month: about $14.90.
[GlobalEntity API's €59 monthly plan](https://datacircle.dev/company-hierarchy-apis/globalentity-api/59-monthly/llms.txt) covers any number of companies in 54 countries only. GlobalEntity API's €59 monthly plan costs less up front than DanskCVRAPI's DKK 599 (about $90) monthly plan.
[DiscoLike](https://datacircle.dev/company-hierarchy-apis/discolike/99-monthly/llms.txt), [Bigdata.com](https://datacircle.dev/company-hierarchy-apis/bigdata-com/50-monthly/llms.txt) and [Magellan Data](https://datacircle.dev/company-hierarchy-apis/magellan-data/375-pack-25000-credits-post-v1-corporate-families/llms.txt) are the best company hierarchy API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-hierarchy-apis/companyproof/99-monthly
- [Company hierarchy API: the 5 best of 70+ providers compared](https://datacircle.dev/best-company-hierarchy-api.txt)
- Get it: https://companyproof.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- Request: `GET https://companyproof.ai/v2/companies/{id}/profile`
- API key: with the plan, on https://companyproof.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- Its API docs: https://companyproof.ai/docs/ownership-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- Sold by: CompanyProof (https://companyproof.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 0%

## Price

- $ per 1,000 companies: $396.00
- Per: call
- Billing: monthly
- $ a month: $99

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Resolve companies · Verify company claims · Stream an intelligence query

## Overage

- Units cap: hard

## In their words

- Their pitch: Explore returned parent and subsidiary relationships. Connect related companies without losing the identity and jurisdiction of the specific business you are reviewing.

## Data

- Countries: Worldwide
- Keep data: You may keep lawfully obtained output for your permitted internal records after the subscription ends, subject to data-protection duties, applicable source restrictions disclosed with the data, and your agreement.
- Use data: Your subscription gives your authorised users a non-exclusive, non-transferable right to use the service and its output for the business purposes permitted by your plan or order, including authorised internal API and agent workflows. [...] Resale, onward distribution, customer-facing data delivery, bulk licensing, white-labelling and model-training rights require an express written grant.

## Plan

- Pay: $99
- You get: 250 credits a month
- Enough for: 250 calls a month
- Expires: at the end of each monthly period

## Rate limit

- Per second: 0.5
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: id
- Method: GET
- Path: /v2/companies/{id}/profile

## About the plan

- Plan: Starter
- Who can get it: business and professional use only, not personal consumer use

## The 12 fields the plan's answer can hold

group entity ID, group entity name, group entity country, group entity registration number, group entity selected, group subsidiaries, source name, source category, source comment, source ID, source URL, retrieved at

## CompanyProof's plans (3)

- [CompanyProof, $99 monthly](https://datacircle.dev/company-hierarchy-apis/companyproof/99-monthly/llms.txt): $396.00 per 1,000, 0% complete
- [CompanyProof, $495 monthly](https://datacircle.dev/company-hierarchy-apis/companyproof/495-monthly/llms.txt): $99.00 per 1,000, 0% complete
- [CompanyProof, $995 monthly](https://datacircle.dev/company-hierarchy-apis/companyproof/995-monthly/llms.txt): $19.90 per 1,000, 0% complete

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

- `GET /v2/companies/{id}/profile`: [CompanyProof, $99 monthly](https://datacircle.dev/company-hierarchy-apis/companyproof/99-monthly/llms.txt)

## CompanyProof's APIs (3)

- [CompanyProof: company enrichment API pricing, 3 plans](https://datacircle.dev/company-enrichment-apis/companyproof/99-monthly/llms.txt)
- [CompanyProof: company hierarchy API pricing, 3 plans](https://datacircle.dev/company-hierarchy-apis/companyproof/99-monthly/llms.txt)
- [CompanyProof: business verification API pricing, 3 plans, POST /v2/companies/search](https://datacircle.dev/business-verification-apis/companyproof/99-monthly-starter-post-v2-companies-search/llms.txt)
- [CompanyProof: business verification API pricing, 3 plans, POST /v2/claims/verify](https://datacircle.dev/business-verification-apis/companyproof/99-monthly-starter-post-v2-claims-verify/llms.txt)

## CompanyProof: company hierarchy API alternatives

- [DataNewton, ₽100,000 yearly](https://datacircle.dev/company-hierarchy-apis/datanewton/100000-yearly/llms.txt): $397.967 per 1,000, 0% complete
- [The Official Board, $1,999 yearly](https://datacircle.dev/company-hierarchy-apis/the-official-board/1999-yearly/llms.txt): $399.80 per 1,000, 100% complete
- [ZoomInfo, $410 pack](https://datacircle.dev/company-hierarchy-apis/zoominfo/410-pack/llms.txt): $410.00 per 1,000, 100% complete, stored
- [Magellan Data, $6,000 pack, 1,000,000 credits, POST /v1/parent_companies](https://datacircle.dev/company-hierarchy-apis/magellan-data/6000-pack-1000000-credits-post-v1-parent-companies/llms.txt): $420.00 per 1,000, 33% 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 2026-11-07.

- https://companyproof.ai/acceptable-use?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://companyproof.ai/company-data-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://companyproof.ai/docs/limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://companyproof.ai/docs/ownership-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://companyproof.ai/docs/structured-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://companyproof.ai/legal?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://companyproof.ai/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://companyproof.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://companyproof.ai/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing