# federal.contractors

> Public product and integration reference for federal.contractors. Free manual exclusion checks may be sealed after review. Successful API verification calls create permanent records automatically. A free SAM.gov search is a sufficient verification method under 2 CFR 180.300. This private service sells documentation, recurring coverage and time, not legal outcomes or government affiliation.

This index covers public reference material and examples deliberately published on the homepage. It does not enumerate account pages, customer rosters, or other verification records and packets. Public profile facts are source-dated observations, not present-tense eligibility findings.

## Start here

- [Product overview](https://federal.contractors/): how an exclusion check becomes a verification record and how monitoring collects dated evidence
- [Run an exclusion check](https://federal.contractors/exclusion-check): the public check interface, with candidate review before manual sealing

## Public guides and definitions

- [Grantee guide](https://federal.contractors/grantees): subrecipient monitoring and dated verification evidence for pass-through entities
- [Prime contractor guide](https://federal.contractors/primes): subcontractor screening and retained verification records
- [Procurement guide](https://federal.contractors/procurement): vendor checks, covered transactions, and documentation
- [Federal contracting glossary](https://federal.contractors/glossary): precise definitions of identifiers, registration, exclusions, awards, and verification records

## Public directory

- [Browse by state](https://federal.contractors/state): public contractor profiles grouped by state
- [Browse by NAICS](https://federal.contractors/naics): public contractor profiles grouped by industry classification
- [Browse by agency](https://federal.contractors/agency): public contractor profiles grouped by observed awarding agency

## Published examples

These examples show artifact structure. Their subjects, source dates, and coverage apply only to those saved artifacts.

- [Public sample verification record](https://federal.contractors/record/vr_0jn5YnCocQ1g7iyJ): the dated check, source provenance, seal, signature, and available evidence downloads
- [Public sample audit packet](https://federal.contractors/packet/pk_tpnq6rPmArd_S0SY): an explicitly published example of period records, coverage, and source evidence

## Markdown references

- [Methodology reference](https://federal.contractors/methodology.md): how checks, sources, freshness rules, sealing, signatures, timestamps, and their limits work
- [Pricing reference](https://federal.contractors/pricing.md): capacities and fees, free allowances, manual sealing limits, and prepaid API record credits
- [API reference](https://federal.contractors/docs.md): request shapes, response fields, manual versus API sealing, MCP tools, and the error envelope
- [Full reference](https://federal.contractors/llms-full.txt): the three references above as one plain-text document

## Integration

- [Agent setup](https://federal.contractors/agent-setup.md): step-by-step instructions for coding agents adding exclusion checks over MCP or the REST API
- [OpenAPI spec](https://federal.contractors/openapi.json): machine-readable spec for POST /v1/verify, POST /v1/verify/batch, and GET /v1/stats
- [API and MCP documentation](https://federal.contractors/docs): authentication, request and response shapes, record balance fields, and the error envelope
- [Check federal exclusions with AI](https://federal.contractors/check-federal-exclusions-with-ai): connect any MCP-compatible assistant to the hosted MCP endpoint, with client config examples

## Background

- [Methodology](https://federal.contractors/methodology): what a check covers, the sources, and why a record is evidence of diligence, not a verdict
- [Pricing](https://federal.contractors/pricing): monitoring capacities, verification schedules, and prepaid API record credits
- [Subrecipient verification checklist](https://federal.contractors/subrecipient-verification-checklist): the compliance duty under 2 CFR 200.332 and 2 CFR 180.300

## Official sources

- [SAM.gov Exclusions](https://sam.gov/content/exclusions): the official public federal exclusions source
- [2 CFR 180.300](https://www.ecfr.gov/current/title-2/subtitle-A/chapter-I/part-180/subpart-C/section-180.300): permitted verification methods for covered transactions
- [2 CFR 200.332](https://www.ecfr.gov/current/title-2/subtitle-A/chapter-II/part-200/subpart-D/section-200.332): pass-through entity requirements for subawards
- [USAspending.gov](https://www.usaspending.gov/): federal award and spending data as reported by agencies
- [Federal Audit Clearinghouse](https://www.fac.gov/): public Single Audit submissions