# Fannie Mae

**Canonical:** https://apis.io/providers/fannie-mae/  
**Website:** https://www.fanniemae.com/  
**APIs profiled:** 0

Fannie Mae, officially known as the Federal National Mortgage Association, is a government-sponsored enterprise that plays a critical role in the American housing market. Established in 1938, Fannie Mae operates as a secondary mortgage lender, purchasing mortgages from banks and other financial institutions. By buying these loans, Fannie Mae helps to provide liquidity to the mortgage market, enabling banks to lend more money to homebuyers. Fannie Mae operates a developer portal that hosts API integrations for mortgage industry partners; access typically requires authenticated business relationships.

## Kin Score — 6.1 / 100 (minimal)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 6.1).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 2.6 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Government & Public Sector**: 11.1 (matched via tags).

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Fannie Mae Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Federal-Government, Housing, Mortgages, Finance, GSE, Fortune 100

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/fannie-mae/). Scores are computed from the provider's own public artifacts under a published rubric.