# Fuentio, free: Company hierarchy API

> A company's group: parent and child companies from GLEIF, direct and ultimate, company to company, every link with its source.

Fuentio's Free plan for the company hierarchy API costs $0.00 per 1,000 companies. We check each provider's docs for 3 fields. Fuentio's docs list 2: Parent, Family tree.
We haven't run Fuentio through [our company hierarchy API benchmark](https://datacircle.dev/best-company-hierarchy-api.txt) yet.
This plan is free. We rank 159 plans for company hierarchy APIs by price. Half the plans cost $13.46 or less per 1,000 companies. [72 company hierarchy API plans on our price sheet are free.](https://datacircle.dev/best-company-hierarchy-api.txt) [Charity Commission's free plan](https://datacircle.dev/company-hierarchy-apis/charity-commission/free-register-of-charities-get-linkedcharities-registerednumber-suffix/llms.txt) scores highest of the free plans in our benchmark, at 90.9 out of 100. Charity Commission covers companies in England and Wales only.
[CompanyStack's £99 (about $132) monthly plan](https://datacircle.dev/company-hierarchy-apis/companystack/99-monthly-business-get-intelligence-group-number/llms.txt) is the cheapest paid plan per 1,000 companies, for the United Kingdom only. You get up to 100,000 companies a day. [CNPJ Aberto's R$449 yearly plan](https://datacircle.dev/company-hierarchy-apis/cnpj-aberto/r-449-yearly-pro-anual-get-api-intelligence-grupo-cnpj/llms.txt) costs the least for 10,000 companies a month: about $7.36.
[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, and costs less up front than CompanyStack's £99 (about $132) 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 for companies in any country.

- This page: https://datacircle.dev/company-hierarchy-apis/fuentio/free
- [Company hierarchy API in 2026: the 8 best of 110+ compared](https://datacircle.dev/best-company-hierarchy-api.txt)
- Get it: https://fuentio.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- Request: `GET https://api.fuentio.com/v1/entities/{entity_id}/graph`
- API key: with the plan, on https://fuentio.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- Its API docs: https://fuentio.com/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing#rest
- Sold by: Fuentio (https://fuentio.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 67%
- Parent: ✓
- Family tree: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: search_companies · lookup_company · get_company_history · resolve_company · explain_match · get_evidence · verify_company · screen_company · check_insolvency · check_address · check_vat · review_report · check_supplier_list · what_changed · watch_company

## Overage

- Units cap: hard

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: A company's group: parent and child companies from GLEIF, direct and ultimate, company to company, every link with its source.

## Data

- Countries: France, Spain, United Kingdom
- Full family tree: no
- Keep data: no limit
- Use data: Your plan gives you the right to use the service and the answers it returns for your own business, within these terms. Please don't: use the site, the service or its data against the law, including personal data law, use them for fraud, or to infringe anyone's intellectual property, resell the data in bulk, or use it to build marketing or prospecting lists about people, try to break, overload or get around the protections or rate limits of the site or the service. [...] When you reuse or pass on company data from Fuentio, keep the source and its licence mention with it.

## Plan

- Pay: €0
- You get: 100 credits a month
- Enough for: 50 calls a month
- Expires: at each monthly reset

## Rate limit

- Per second: 2
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: entity_id. Optional: depth
- Method: GET
- Path: /v1/entities/{entity_id}/graph

## About the plan

- Plan: Free
- Who can get it: anyone with an email address, one free key per person

## The 6 fields the plan's answer can hold

direct parent, ultimate parent, subsidiaries, link source, link evidence record, ownership signals

## Fuentio's plans (7)

- [Fuentio, free](https://datacircle.dev/company-hierarchy-apis/fuentio/free/llms.txt): $0.00 per 1,000, 67% complete
- [Fuentio, €49 monthly](https://datacircle.dev/company-hierarchy-apis/fuentio/49-monthly/llms.txt): $55.14 per 1,000, 67% complete
- [Fuentio, €149 monthly, Growth](https://datacircle.dev/company-hierarchy-apis/fuentio/149-monthly-growth/llms.txt): $33.534 per 1,000, 67% complete
- [Fuentio, €149 monthly, Founding Partner](https://datacircle.dev/company-hierarchy-apis/fuentio/149-monthly-founding-partner/llms.txt): $16.767 per 1,000, 67% complete
- [Fuentio, €499 monthly](https://datacircle.dev/company-hierarchy-apis/fuentio/499-monthly/llms.txt): $22.461 per 1,000, 67% complete
- [Fuentio, €999 monthly](https://datacircle.dev/company-hierarchy-apis/fuentio/999-monthly/llms.txt): $14.989 per 1,000, 67% complete
- [Fuentio, contact us](https://datacircle.dev/company-hierarchy-apis/fuentio/contact-us/llms.txt): 67% complete

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

- `GET /v1/entities/{entity_id}/graph`: [Fuentio, free](https://datacircle.dev/company-hierarchy-apis/fuentio/free/llms.txt)

## Fuentio's APIs (4)

- [Fuentio Company hierarchy API pricing, 7 plans](https://datacircle.dev/company-hierarchy-apis/fuentio/free/llms.txt)
- [Fuentio Company discovery API pricing, 8 plans](https://datacircle.dev/company-discovery-apis/fuentio/free-trial/llms.txt)
- [Fuentio Company enrichment API pricing, 8 plans](https://datacircle.dev/company-enrichment-apis/fuentio/free-trial/llms.txt)
- [Fuentio Business verification API pricing, 8 plans, POST /v1/supplier-batches/{batch_id}/finalize](https://datacircle.dev/business-verification-apis/fuentio/free-post-v1-supplier-batches-batch-id-finalize/llms.txt)
- [Fuentio Business verification API pricing, 8 plans, POST /v1/verifications](https://datacircle.dev/business-verification-apis/fuentio/free-post-v1-verifications/llms.txt)

## Fuentio: company hierarchy API alternatives

[Fuentio alternatives: other company hierarchy API providers by price](https://datacircle.dev/fuentio-alternatives.txt)

We list Fuentio's cheapest paid plan first. Next we list other providers' plans closest to Fuentio in price per 1,000 companies.

- [Fuentio, €999 monthly](https://datacircle.dev/company-hierarchy-apis/fuentio/999-monthly/llms.txt): $14.989 per 1,000, 67% complete
- [Firmenakte, €9 monthly](https://datacircle.dev/company-hierarchy-apis/firmenakte/9-monthly/llms.txt): $14.023 per 1,000, 0% complete
- [Jumdata, CNY 100 pack, 1,000 calls, Company equity penetration chart (enterprise_ownership_structure)](https://datacircle.dev/company-hierarchy-apis/jumdata/cny-100-pack-1000-calls-company-equity-penetration-chart-enterprise-ownership-structure/llms.txt): $14.956 per 1,000, 0% complete
- [Canonical, top-up, Extra credits (Lite)](https://datacircle.dev/company-hierarchy-apis/canonical/top-up-extra-credits-lite/llms.txt): $15.00 per 1,000, 67% complete, stored
- [Katalis, £299 monthly](https://datacircle.dev/company-hierarchy-apis/katalis/299-monthly/llms.txt): $16.002 per 1,000, 67% 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 2026-11-10.

- https://api.fuentio.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://fuentio.com/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://fuentio.com/docs/index.html.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://fuentio.com/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://fuentio.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing