Simon Property Group website screenshot

Simon Property Group

Simon Property Group is the largest retail real estate investment trust (REIT) in the United States, owning, developing, and managing premier shopping, dining, entertainment, and mixed-use destinations. Simon's portfolio includes an interest in 254 properties: traditional malls, premium outlets, Mills centers, lifestyle centers, and other retail properties in North America, Europe, and Asia. The company operates ShopSimon, an e-commerce platform, and Simon Innovation Group to advance retail technology innovation. Simon had trailing twelve-month revenue of approximately $6.36 billion as of 2025 and a market capitalization of approximately $67 billion.

Simon Property Group publishes 1 API on the APIs.io network. Tagged areas include Commercial Real Estate, E-Commerce, Fortune 500, Malls, and Outlet Centers.

The Simon Property Group catalog on APIs.io includes 1 JSON-LD context.

Simon Property Group’s developer surface includes product news and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub
17.7/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessEnterprise
1 APIs
Commercial Real EstateE-CommerceFortune 500MallsOutlet CentersReal EstateREITRetail

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 17.7/100 · emerging
Contract Quality 3.2 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 5.8 / 20
Operational Transparency 2.7 / 13
Governance 0.0 / 12
Discoverability 5.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
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 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
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/simon-property-group: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

ShopSimon Retailer API

ShopSimon is Simon's e-commerce platform integrating online and offline retail. The ShopSimon Retailer Hub provides APIs for sellers to integrate product listings, inventory dat...

Pricing Plans 1

Published pricing tiers and plan structures.

Simon Property Group Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Simon Property Group Rate Limits

1 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Simon Property Group Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Simon Property Group Context

43 classes · 0 properties

JSON-LD

Security Posture 2

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

Simon Property Group Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Simon Property Group Vulnerability Disclosure

security.txt · contact published

SECURITY

Press 5

Recent news and press coverage referencing this provider.

Simon® Takes Holiday Shopping to a New Level Thanks to AI

2026-05-25

Simon Property Group has explored converting some mall ...

2026-05-25

Simon Property Group - The #1 mall company in the US ...

2026-05-25

Simon Property Group Announces the Passing of David ...

2026-05-25

Simon Property Group's AI Strategy: Analysis of ...

2026-05-25

Resources

Get Started 1

Portal, sign-up, and the first successful call

Business Portal
Business Portal

Access & Security 2

Authentication, authorization, and security posture

VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Seller Support
Seller Support
 Contact
Contact

Company 5

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Website
Website
 Investor Relations
Investor Relations
 News
News

Other 3

Properties that don't map to a standard resource type

ShopSimon
ShopSimon
 Innovation Group
Innovation Group
 Annual Report
Annual Report

Source (apis.yml)

apis.yml Raw ↑ 
aid: simon-property-group
name: Simon Property Group
description: 'Simon Property Group is the largest retail real estate investment trust (REIT) in the United States, owning,
  developing, and managing premier shopping, dining, entertainment, and mixed-use destinations. Simon''s portfolio includes
  an interest in 254 properties: traditional malls, premium outlets, Mills centers, lifestyle centers, and other retail properties
  in North America, Europe, and Asia. The company operates ShopSimon, an e-commerce platform, and Simon Innovation Group to
  advance retail technology innovation. Simon had trailing twelve-month revenue of approximately $6.36 billion as of 2025
  and a market capitalization of approximately $67 billion.'
type: Index
accessModel:
  pricing: enterprise
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Enterprise
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/simon-property-group.png
tags:
- Commercial Real Estate
- E-Commerce
- Fortune 500
- Malls
- Outlet Centers
- Real Estate
- REIT
- Retail
url: https://raw.githubusercontent.com/api-evangelist/simon-property-group/refs/heads/main/apis.yml
created: '2026-03-24'
modified: '2026-05-02'
specificationVersion: '0.19'
apis:
- aid: simon-property-group:shopsimon
  name: ShopSimon Retailer API
  description: ShopSimon is Simon's e-commerce platform integrating online and offline retail. The ShopSimon Retailer Hub
    provides APIs for sellers to integrate product listings, inventory data, and order management with the ShopSimon marketplace.
    The platform facilitates product catalog sync, offer management, and order fulfillment for retail partners selling on
    ShopSimon.
  humanURL: https://sellersupport.shopsimon.com/
  tags:
  - E-Commerce
  - Inventory
  - Marketplace
  - Orders
  - Products
  - Retail
  properties:
  - type: Documentation
    url: https://sellersupport.shopsimon.com/hc/en-us/articles/9632618154647-API-Integration
  - type: GettingStarted
    url: https://sellersupport.shopsimon.com/hc/en-us/articles/28034776101911-Getting-Started
common:
- type: VulnerabilityDisclosure
  url: security/simon-property-group-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/simon-property-group-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/simon-property-group
- type: Website
  url: https://www.simon.com
- type: Website
  url: https://www.simonpropertygroup.com
- type: Business Portal
  url: https://business.simon.com
- type: ShopSimon
  url: https://www.shopsimon.com
- type: Seller Support
  url: https://sellersupport.shopsimon.com
- type: Investor Relations
  url: https://investors.simon.com
- type: Innovation Group
  url: https://www.simonpropertygroup.com/simon-innovation-group
- type: Contact
  url: https://www.simon.com/contact
- type: Annual Report
  url: https://investors.simon.com/financial-information/annual-reports
- type: News
  url: https://investors.simon.com/news-releases
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com