Fannie Mae

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.

Fannie Mae is profiled on the APIs.io network. Tagged areas include Federal Government, Housing, Mortgages, Finance, and GSE.

Fannie Mae’s developer surface includes product news, engineering blog, and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub

13.8/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

Federal GovernmentHousingMortgagesFinanceGSEFortune 100

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 13.8/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 2.2 / 20

Commercial Clarity 4.2 / 20

Operational Transparency 0.7 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/fannie-mae: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Fannie Mae Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Press 5

Recent news and press coverage referencing this provider.

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Company 5

The organization behind the API

LinkedIn

Website

News

Careers

Blog

Other 4

Properties that don't map to a standard resource type

Single-Family Business

Single-Family Business

Multifamily Business

Multifamily Business

Capital Markets

Capital Markets

Data and Insights

Data and Insights

Source (apis.yml)

aid: fannie-mae
name: Fannie Mae
url: https://raw.githubusercontent.com/api-evangelist/fannie-mae/refs/heads/main/apis.yml
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/fannie-mae.png
type: Index
access: 3rd-Party
position: Consumer
created: '2024-12-25'
modified: '2026-04-28'
specificationVersion: '0.19'
tags:
- Federal Government
- Housing
- Mortgages
- Finance
- GSE
- Fortune 100
apis: []
common:
- type: DomainSecurity
  url: security/fannie-mae-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/fanniemae
- type: LinkedIn
  url: https://www.linkedin.com/company/fanniemae
- type: Website
  url: https://www.fanniemae.com/
- type: DeveloperPortal
  url: https://developer.fanniemae.com/
- type: Single-Family Business
  url: https://singlefamily.fanniemae.com/
- type: Multifamily Business
  url: https://multifamily.fanniemae.com/
- type: Capital Markets
  url: https://capitalmarkets.fanniemae.com/
- type: Data and Insights
  url: https://www.fanniemae.com/research-and-insights
- type: News
  url: https://www.fanniemae.com/newsroom
- type: Careers
  url: https://www.fanniemae.com/careers
- type: PrivacyPolicy
  url: https://www.fanniemae.com/privacy-statement
- type: TermsOfService
  url: https://www.fanniemae.com/terms-and-conditions
- url: https://www.fanniemae.com/newsroom
  type: Blog
description: 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.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com