# Demandbase, contact us: Company hierarchy API > You can optionally expand the response to include related data such as the company's family tree, competitors, installed technologies, and logos. Demandbase's company hierarchy API on its Custom pricing plan. It returns 2 of the 3 key fields we check: Company, Family tree. The cheapest of the 20 plans we rank by price is [PredictLeads, pay as you go, 10,001-100,000 API Calls](https://datacircle.dev/company-hierarchy-apis/predictleads/pay-as-you-go-10001-100000-api-calls/llms.txt), at $10.00 per 1,000. - This page: https://datacircle.dev/company-hierarchy-apis/demandbase/contact-us - Get it: https://www.demandbase.com/pricing/ - Its API docs: https://developer.demandbase.com/reference/companyfetch - Sold by: Demandbase (https://www.demandbase.com) - Checked: 2026-10-25 ## In the answer - Completeness: 67% - Company: ✓ - Family tree: ✓ ## Price - Billing: contact ## Aggregators - Aggregators: none ## Charges - Per: call ## Not found - $ per 1,000: $0.00 ## In their words - Their pitch: You can optionally expand the response to include related data such as the company's family tree, competitors, installed technologies, and logos. ## Data - Keep data: no API terms - Use data: no API terms ## Rate limit - Per second: 16.67 - Batch: 1 ## Speed - Answer: in the call ## The call - You send: companyId, fields "familytree". Optional: sortBy, companyFields - Method: GET - Path: /company/{companyId} ## About the plan - Plan: Custom pricing - Who can get it: a Demandbase customer with a B2B API license ## The 15 fields the plan's answer can hold company ID, company name, business structure, current company ID, family tree company ID, family tree company name, family tree city, family tree state, family tree country, family tree children, acquired company ID, acquired company name, acquired company city, acquired company state, acquired company country ## Demandbase's plans (1) - [Demandbase, contact us](https://datacircle.dev/company-hierarchy-apis/demandbase/contact-us/llms.txt): 67% complete ## Demandbase's calls (1) - `GET /company/{companyId}`: [Demandbase, contact us](https://datacircle.dev/company-hierarchy-apis/demandbase/contact-us/llms.txt) ## Demandbase's APIs (6) - [Demandbase: company discovery API pricing, 1 plan](https://datacircle.dev/company-discovery-apis/demandbase/contact-us/llms.txt) - [Demandbase: company hierarchy API pricing, 1 plan](https://datacircle.dev/company-hierarchy-apis/demandbase/contact-us/llms.txt) - [Demandbase: company technology API pricing, 1 plan](https://datacircle.dev/company-technology-apis/demandbase/contact-us/llms.txt) - [Demandbase: people search API pricing, 1 plan](https://datacircle.dev/people-search-apis/demandbase/contact-us/llms.txt) - [Demandbase: people enrichment API pricing, 1 plan](https://datacircle.dev/person-enrichment-apis/demandbase/contact-us/llms.txt) - [Demandbase: company enrichment API pricing, 1 plan, GET /company/{companyId}](https://datacircle.dev/company-enrichment-apis/demandbase/contact-us-custom-pricing-get-company-companyid/llms.txt) - [Demandbase: company enrichment API pricing, 1 plan, POST /match](https://datacircle.dev/company-enrichment-apis/demandbase/contact-us-custom-pricing-post-match/llms.txt) ## Demandbase: company hierarchy API alternatives - [InfobelPRO, contact us](https://datacircle.dev/company-hierarchy-apis/infobelpro/contact-us/llms.txt): 100% complete - [Explorium, contact us, Enterprise, POST /v2/businesses/company_hierarchies/job](https://datacircle.dev/company-hierarchy-apis/explorium/contact-us-enterprise-post-v2-businesses-company-hierarchies-job/llms.txt): 67% complete - [The Data City, contact us, Beta API key, GET /v1/de/companies/{companyNumber}/group](https://datacircle.dev/company-hierarchy-apis/the-data-city/contact-us-beta-api-key-get-v1-de-companies-companynumber-group/llms.txt): 67% complete - [Apollo, contact us, Custom, POST /organizations/bulk_enrich](https://datacircle.dev/company-hierarchy-apis/apollo/contact-us-custom-post-organizations-bulk-enrich/llms.txt): 67% complete, 1 month ## Sources From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-25. - https://developer.demandbase.com/docs/b2b-rate-limits.md - https://developer.demandbase.com/docs/credit-consumtion-model.md - https://developer.demandbase.com/docs/faq.md - https://developer.demandbase.com/docs/understanding-demandbase-api-access-and-licensing.md - https://developer.demandbase.com/reference/companyfetch.md - https://www.demandbase.com/pricing/ - https://www.demandbase.com/terms-of-use/