Proper

Proper (proper.ai) is an AI-powered, full-service property-management accounting and bookkeeping provider serving property managers, asset managers, and real estate developers. Rather than shipping software, Proper delivers a trained accounting team supported by automation to handle accounts payable, accounts receivable, bank reconciliations, month-end close, and financial reporting, integrating with existing property-management systems such as AppFolio, Buildium, and RentManager. Founded in the property-management space in 2017, the company is backed by QED Investors, Redpoint Ventures, MetaProp, Expa, and Bling Capital. As of this enrichment pass Proper exposes no public API, developer portal, SDK, or machine-readable developer surface; this profile is maintained as a company record.

Proper is profiled on the APIs.io network. Tagged areas include Company, Proptech, Property Management, Accounting, and Bookkeeping.

Proper’s developer surface includes engineering blog and 3 more developer resources.

🌐 Visit website 📡 Source on GitHub
11.4/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyProptechProperty ManagementAccountingBookkeepingReal EstateArtificial Intelligence

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 11.4/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.4 / 20
Commercial Clarity 4.2 / 20
Operational Transparency 0.0 / 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/proper: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Resources

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: proper
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/proper.png
name: Proper
description: Proper (proper.ai) is an AI-powered, full-service property-management accounting and bookkeeping provider serving
  property managers, asset managers, and real estate developers. Rather than shipping software, Proper delivers a trained
  accounting team supported by automation to handle accounts payable, accounts receivable, bank reconciliations, month-end
  close, and financial reporting, integrating with existing property-management systems such as AppFolio, Buildium, and RentManager.
  Founded in the property-management space in 2017, the company is backed by QED Investors, Redpoint Ventures, MetaProp, Expa,
  and Bling Capital. As of this enrichment pass Proper exposes no public API, developer portal, SDK, or machine-readable developer
  surface; this profile is maintained as a company record.
url: https://raw.githubusercontent.com/api-evangelist/proper/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- qed-investors
- redpoint-ventures
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Proptech
- Property Management
- Accounting
- Bookkeeping
- Real Estate
- Artificial Intelligence
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.proper.ai/
- type: Blog
  url: https://www.proper.ai/articles
- type: TermsOfService
  url: https://www.proper.ai/terms-of-services
- type: PrivacyPolicy
  url: https://www.proper.ai/privacy-policy
x-enrichment:
  date: '2026-07-20'
  status: minimal
  artifacts_added: 0
  pass: local-v1