# USAspending, free: Company hierarchy API

> The USAspending API (Application Programming Interface) allows the public to access comprehensive U.S. government spending data.

USAspending's company hierarchy API on its Free plan. It costs $0.00 per 1,000 companies. It returns 1 of the 3 key fields we check: Family tree.
You get as many calls as you like.
In [our company hierarchy API benchmark](https://datacircle.dev/best-company-hierarchy-api.txt), USAspending scores 0.0 out of 100 on this plan.
Half of the 54 plans we rank by price cost $28.00 per 1,000 companies or less. This plan and 10 others tie for the lowest price per 1,000 companies of the 54 plans.
[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 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/usaspending/free
- [Company hierarchy API: 5 providers compared](https://datacircle.dev/best-company-hierarchy-api.txt)
- Get it: https://api.usaspending.gov/docs/endpoints?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- Request: `GET https://api.usaspending.gov/api/v2/recipient/children/{duns_or_uei}/`
- API key: not needed
- Its API docs: https://raw.githubusercontent.com/fedspendingtransparency/usaspending-api/master/usaspending_api/api_contracts/contracts/v2/recipient/children/duns_or_uei.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- Sold by: USAspending (https://www.usaspending.gov?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 33%
- Family tree: ✓

## Score

- Overall score: 0.0. We give it 0 overall because its Accuracy score is 0.
- Price score: 100
- Accuracy score: 0
- Cost to get started score: 100
- Bundle score: 0
- Performance score: 0. We could not measure how fast this provider answers a call, so we count it as 0.

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: The USAspending API (Application Programming Interface) allows the public to access comprehensive U.S. government spending data.

## Data

- Full family tree: no
- Keep data: no limit
- Use data: The data on this site is available to copy, adapt, redistribute, or otherwise use for non-commercial or for commercial purposes, subject to the Limitation on Permissible Use of Dun & Bradstreet, Inc. Data [...] By using this website you agree that you shall not use D&B Open Data without giving written attribution to the source of such data (i.e., D&B) and shall not access, use or disseminate D&B Open Data in bulk, (i.e., in amounts sufficient for use as an original source or as a substitute for the product and/or service being licensed hereunder). Except for data elements identified above as D&B Open Data, under no circumstances are you authorized to use any other D&B data for commercial, resale or marketing purposes (e.g., identifying, quantifying, segmenting and/or analyzing customers and prospective customers). Systematic access (electronic harvesting) or extraction of content from the website, including the use of "bots" or "spiders", is prohibited.

## Plan

- Pay: $0
- Enough for: no limit

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: duns_or_uei. Optional: year
- Method: GET
- Path: /api/v2/recipient/children/{duns_or_uei}/

## About the plan

- Plan: Free
- Who can get it: anyone

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

child recipient name, child recipient DUNS, child recipient UEI, child recipient ID, child recipient state or province, child recipient transaction amount

## USAspending's plans (1)

- [USAspending, free](https://datacircle.dev/company-hierarchy-apis/usaspending/free/llms.txt): $0.00 per 1,000, 33% complete

## USAspending's calls (1)

- `GET /api/v2/recipient/children/{duns_or_uei}/`: [USAspending, free](https://datacircle.dev/company-hierarchy-apis/usaspending/free/llms.txt)

## USAspending's APIs (1)

- [USAspending: company hierarchy API pricing, 1 plan](https://datacircle.dev/company-hierarchy-apis/usaspending/free/llms.txt)

## USAspending: company hierarchy API alternatives

- [Bigdata.com, free](https://datacircle.dev/company-hierarchy-apis/bigdata-com/free/llms.txt): $0.00 per 1,000, 100% complete, stored
- [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, 67% complete
- [SEC API, free](https://datacircle.dev/company-hierarchy-apis/sec-api/free/llms.txt): $0.00 per 1,000, 67% complete, 1 minute
- [Zephira, free trial, GET /kyb/{id}/group-structures/full](https://datacircle.dev/company-hierarchy-apis/zephira/free-trial-get-kyb-id-group-structures-full/llms.txt): $0.00 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 2026-11-02.

- https://api.usaspending.gov?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://api.usaspending.gov/docs/endpoints?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://raw.githubusercontent.com/fedspendingtransparency/usaspending-api/master/usaspending_api/api_contracts/contracts/v2/recipient/children/duns_or_uei.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://www.usaspending.gov/about?section=frequency-of-updates-to-prime-award-data-for-contracts-procurement&utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing
- https://www.usaspending.gov/db_info?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-hierarchy-api-pricing