# Magellan Data, free, 10,000 free credits, POST /v1/corporate_families: Company hierarchy API

> Corporate ownership intelligence for AI agents. Ask who owns a company: get parents, private equity backers, corporate families, and portfolio siblings, across thousands of companies at a time.

Magellan Data's company hierarchy API on its "10,000 free credits" plan. It costs $0.00 per 1,000 companies. It returns 1 of the 3 key fields we check: Parent.
The cheapest of the 43 priced plans is [PredictLeads, pay as you go, 500,001+ API Calls](https://datacircle.dev/company-hierarchy-apis/predictleads/pay-as-you-go-500001-api-calls/llms.txt), at $2.00 per 1,000.

- This page: https://datacircle.dev/company-hierarchy-apis/magellan-data/free-10000-free-credits-post-v1-corporate-families
- Get it: https://magellandata.io/pricing
- Its API docs: https://docs.magellandata.io/endpoints/corporate-families
- Sold by: Magellan Data (https://magellandata.io)
- Checked: 2026-10-23

## In the answer

- Completeness: 33%
- Parent: ✓

## Price

- $ per 1,000: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Per: result
- Also pays for: from the same budget: Parent Companies · PE Ownership · PE Portfolios · Social Media · Inactive Companies · Batch Processing

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Corporate ownership intelligence for AI agents. Ask who owns a company: get parents, private equity backers, corporate families, and portfolio siblings, across thousands of companies at a time.

## Data

- Keep data: no limit
- Use data: 1.3 User License. Subject to your compliance with these Terms, we grant you a limited, non-exclusive, non-transferable, non-sublicensable, revocable license to access and use the Service for your internal business purposes and to download and use enriched data reports you have purchased for your internal business purposes. [...] 1.4 Prohibited Uses. You agree NOT to use the Service to: [...] Resell, redistribute, or commercialize data obtained from the Service without our prior written consent, Use the data for any unlawful purpose, including harassment, discrimination, or fraud, [...] 5.5 Enriched Data. All enriched data reports are owned by Magellan Data. You receive a limited license to use purchased reports for your internal business purposes only.

## Plan

- Pay: $0
- You get: 10,000 credits
- Enough for: 500 results, once
- Expires: never

## Rate limit

- Batch: 1

## The call

- You send: url. Optional: credit_limit
- Method: POST
- Path: /v1/corporate_families

## About the plan

- Plan: 10,000 free credits
- Who can get it: anyone aged 18 or over with a valid business email address, one set of promotional credits per person per company

## The 15 fields the plan's answer can hold

status code, status, input URL, extracted domain, credit cost, output count, has parent company, is parent company, parent company name, parent company website, corporate family, corporate family child company name, corporate family child company website, corporate family parent company name, corporate family parent company website

## Magellan Data's plans (7)

- [Magellan Data, free, 10,000 free credits, POST /v1/corporate_families](https://datacircle.dev/company-hierarchy-apis/magellan-data/free-10000-free-credits-post-v1-corporate-families/llms.txt): $0.00 per 1,000, 33% complete
- [Magellan Data, $375 pack, 25,000 credits, POST /v1/corporate_families](https://datacircle.dev/company-hierarchy-apis/magellan-data/375-pack-25000-credits-post-v1-corporate-families/llms.txt): $300.00 per 1,000, 33% complete
- [Magellan Data, $625 pack, 50,000 credits, POST /v1/corporate_families](https://datacircle.dev/company-hierarchy-apis/magellan-data/625-pack-50000-credits-post-v1-corporate-families/llms.txt): $250.00 per 1,000, 33% complete
- [Magellan Data, $1,000 pack, 100,000 credits, POST /v1/corporate_families](https://datacircle.dev/company-hierarchy-apis/magellan-data/1000-pack-100000-credits-post-v1-corporate-families/llms.txt): $200.00 per 1,000, 33% complete
- [Magellan Data, $2,250 pack, 250,000 credits, POST /v1/corporate_families](https://datacircle.dev/company-hierarchy-apis/magellan-data/2250-pack-250000-credits-post-v1-corporate-families/llms.txt): $180.00 per 1,000, 33% complete
- [Magellan Data, $3,750 pack, 500,000 credits, POST /v1/corporate_families](https://datacircle.dev/company-hierarchy-apis/magellan-data/3750-pack-500000-credits-post-v1-corporate-families/llms.txt): $150.00 per 1,000, 33% complete
- [Magellan Data, $6,000 pack, 1,000,000 credits, POST /v1/corporate_families](https://datacircle.dev/company-hierarchy-apis/magellan-data/6000-pack-1000000-credits-post-v1-corporate-families/llms.txt): $120.00 per 1,000, 33% complete

## Magellan Data's calls (2)

- `POST /v1/corporate_families`: [Magellan Data, free, 10,000 free credits, POST /v1/corporate_families](https://datacircle.dev/company-hierarchy-apis/magellan-data/free-10000-free-credits-post-v1-corporate-families/llms.txt)
- `POST /v1/parent_companies`: [Magellan Data, free, 10,000 free credits, POST /v1/parent_companies](https://datacircle.dev/company-hierarchy-apis/magellan-data/free-10000-free-credits-post-v1-parent-companies/llms.txt)

## Magellan Data's APIs (1)

- [Magellan Data: company hierarchy API pricing, 7 plans, POST /v1/corporate_families](https://datacircle.dev/company-hierarchy-apis/magellan-data/free-10000-free-credits-post-v1-corporate-families/llms.txt)

## Magellan Data: company hierarchy API alternatives

- [ZoomInfo, free](https://datacircle.dev/company-hierarchy-apis/zoominfo/free/llms.txt): $0.00 per 1,000, 100% complete, stored
- [Bigdata.com, free](https://datacircle.dev/company-hierarchy-apis/bigdata-com/free/llms.txt): $0.00 per 1,000, 100% complete
- [PredictLeads, free](https://datacircle.dev/company-hierarchy-apis/predictleads/free/llms.txt): $0.00 per 1,000, 67% complete, 2 weeks
- [Apollo, free, Free, GET /organizations/enrich](https://datacircle.dev/company-hierarchy-apis/apollo/free-free-get-organizations-enrich/llms.txt): $0.00 per 1,000, 67% complete, 1 month
- [OpenCorporates, free](https://datacircle.dev/company-hierarchy-apis/opencorporates/free/llms.txt): $0.00 per 1,000, 0% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-23.

- https://docs.magellandata.io
- https://docs.magellandata.io/endpoints
- https://docs.magellandata.io/endpoints/corporate-families
- https://magellandata.io
- https://magellandata.io/pricing
- https://magellandata.io/terms