# Exclusions The exclusion check returns whether a UEI, CAGE code or exact name matches an active SAM.gov exclusion, with the dated extract it was checked against. An empty match list means none was found in that extract. Call the check endpoint once per UEI and store the dated result with the extract date it returns.Checked on 2026-11-12.Official source: [open.gsa.gov Exclusions API](https://open.gsa.gov/api/exclusions-api/) | Check | /exclusions/check?q=%7Buei_cage_or_name%7D | | --- | --- | | Refresh | Daily | | Individuals | Returned only for exact checks, never as pages | ## Example ``` curl "https://samgovapi.io/api/v1/exclusions/check?q=ABCDEFGH1234" \ -H "Authorization: Bearer sg_YOUR_KEY" ``` ## Endpoints | Endpoint | Use | Parameters | | --- | --- | --- | | /api/v1/exclusions/check | Is this UEI, CAGE or exact name actively excluded | q (required) | | /api/v1/exclusions | Search firms, vessels and special entities | q, uei, cage, classification, active, limit, cursor | | /api/v1/exclusions/{id} | One exclusion record | id from a search | ## Screening many vendors Call the check endpoint once per UEI and store the dated result with the extract date it returns. The check matches UEI, CAGE or the exact legal name, so check by UEI whenever you have it: names can coincide across unrelated firms. ## Get this as JSON ``` curl "https://samgovapi.io/api/v1/exclusions/check?q=ABCDEFGH1234" \ -H "Authorization: Bearer sg_YOUR_KEY" ``` MCP tool: `exclusion_check`Keys start free, with no card. [Get a free API key](https://samgovapi.io/sign-up) or read the [docs](https://samgovapi.io/docs). ## Related - [Exclusions API](https://samgovapi.io/sam-gov-exclusions-api) - [SAM exclusion check](https://samgovapi.io/sam-exclusion-check)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/docs/exclusions . Markdown: https://samgovapi.io/docs/exclusions.md

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