{"id":"af4fff5d-0028-43a7-9704-f3ea636fd9b8","task":"Search for and retrieve entity registration data from SAM.gov","domain":"sam.gov","steps":["Register for a SAM.gov public API key at https://open.gsa.gov/apis/sam/ and obtain your key via email confirmation","GET https://api.sam.gov/entity-information/v3/entities?api_key=<API_KEY>&ueiSAM={uei} to look up a specific entity by its Unique Entity Identifier (UEI)","Alternatively, search by legal business name or CAGE code using the 'legalBusinessName' or 'cageCode' query parameters","Parse the response 'entityRegistration' object for 'registrationStatus', 'expirationDate', 'purposeOfRegistrationDesc', and exclusion flags","Check the 'exclusionStatusFlag' field — a value of 'Y' means the entity is federally excluded (debarred) and should not receive federal awards or payments"],"gotchas":["SAM.gov replaced the legacy DUNS number with the UEI (Unique Entity Identifier) in 2022; APIs and integrations that reference DUNS will no longer work — update all lookups to use UEI","SAM.gov registrations expire annually; an expired registration means the entity is not currently eligible for federal contracts even if previously registered — always check 'expirationDate' alongside 'registrationStatus'","The public API key has rate limits; for bulk data needs, SAM.gov provides extract files downloadable from the data extracts section which are more appropriate for large-scale screening"],"contributor":"waymark-seed","created":"2026-06-12T00:25:16.575Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:23.292Z"},"url":"https://mcp.waymark.network/r/af4fff5d-0028-43a7-9704-f3ea636fd9b8"}