# SAM.gov subaward API The SAM.gov Acquisition Subaward Reporting API returns subcontract reports with a pageSize of up to 1,000 and uses the standard SAM.gov key limits. USAspending's subaward endpoints carry the same reports without a key. Examples differ on the /prod path segment. limit and offset appear in errors but are not documented. Recent weeks are sparse. Recent weeks are sparse because primes report subawards after the fact.Checked on 2026-11-12.Official source: [open.gsa.gov Subaward Reporting API](https://open.gsa.gov/api/acquisition-subaward-reporting-api/) | Page size | Up to 1,000 | | --- | --- | | Deletions | status=Deleted | | Amounts | Returned as strings | | Alternative | USAspending /api/v2/subawards/ | ## Quirks - Examples differ on the /prod path segment. - limit and offset appear in errors but are not documented. - Recent weeks are sparse. ## Here Subawards received by an entity appear with its award history: prime award ID, amount and action date, read from USAspending subaward data. Recent weeks are sparse because primes report subawards after the fact. ## Related - [USAspending API](https://samgovapi.io/usaspending-api) - [SAM.gov API](https://samgovapi.io/sam-gov-api)Updated 2026-11-12. Sources checked 2026-11-12.Independent. Not affiliated with, endorsed by or sponsored by GSA, SAM.gov or any U.S. government agency. Registering in SAM.gov is free at sam.gov.

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HTML version: https://samgovapi.io/sam-gov-subaward-api . Markdown: https://samgovapi.io/sam-gov-subaward-api.md

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