HappyCo

HappyCo is a PropTech company (founded 2011, San Diego) whose real-time multifamily operations platform powers property inspections, AI-led maintenance, centralized maintenance, and asset performance for nearly 4 million units globally. Its developer-facing Happy API is a high-performance gRPC API (grpc.happyco.com) exposing inspection, report, template, account, account-provisioning (Partner API), asset, and folder services, plus server-streaming event notifications and a flexible MyID/IntegrationID system. Generated client libraries are published for Ruby, Go, and Java, and the platform integrates with major property-management systems (Yardi, RealPage, Entrata, MRI, ResMan, AppFolio, Buildium).

HappyCo publishes 1 API on the APIs.io network. Tagged areas include Company, PropTech, Real Estate, Property Management, and Inspections.

The HappyCo catalog on APIs.io includes 1 event-driven AsyncAPI specification.

HappyCo’s developer surface includes documentation, API reference, support, engineering blog, pricing, signup flow, changelog, and 22 more developer resources.

🌐 Visit website 📡 Source on GitHub
39.8/100 thin Agent 36/100 agent aware Full breakdown ↓
scored 2026-07-20 · rubric v0.4
1 APIs 1 MCP Servers 0 Features
CompanyPropTechReal EstateProperty ManagementInspectionsMaintenanceMultifamilygRPC

API Rating

API Evangelist API Evangelist Rating How this is scored →
scored 2026-07-20 · rubric v0.4
Composite quality — 39.8/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 12.6 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 5.8 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 36/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 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/happyco: 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

HappyCo API (Happy API)

HappyCo's gRPC API for property inspections, reports, templates, accounts, users, partner account provisioning, assets, folders, and streaming events.

MCP Servers

happyco-mcp.yml

MCP SERVER

Event Specifications

Happyco Events

ASYNCAPI

Resources

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 SignUp
SignUp

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt
LLMsTxt
 WellKnown
WellKnown
 MCPServer
MCPServer
 AgentSkill
AgentSkill

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 Lifecycle
Lifecycle
 Conformance
Conformance
 Webhooks
Webhooks
 DataModel
DataModel

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 Packages
Packages
 SDKs
SDKs

Access & Security 4

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication
 Compliance
Compliance
 TrustCenter
TrustCenter

Operate 4

Status, limits, changes, and where to get help

Support
Support
 HelpCenter
HelpCenter
 ChangeLog
ChangeLog
 StatusPage
StatusPage

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: happyco
name: HappyCo
description: HappyCo is a PropTech company (founded 2011, San Diego) whose real-time multifamily operations platform powers
  property inspections, AI-led maintenance, centralized maintenance, and asset performance for nearly 4 million units globally.
  Its developer-facing Happy API is a high-performance gRPC API (grpc.happyco.com) exposing inspection, report, template,
  account, account-provisioning (Partner API), asset, and folder services, plus server-streaming event notifications and a
  flexible MyID/IntegrationID system. Generated client libraries are published for Ruby, Go, and Java, and the platform integrates
  with major property-management systems (Yardi, RealPage, Entrata, MRI, ResMan, AppFolio, Buildium).
url: https://raw.githubusercontent.com/api-evangelist/happyco/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
- point-nine
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
image: https://cdn.prod.website-files.com/6414ce4dcbfbc386d105ceb9/69a0a5421dfd02fb3bb57b77_OG-Home.avif
tags:
- Company
- PropTech
- Real Estate
- Property Management
- Inspections
- Maintenance
- Multifamily
- gRPC
apis:
- name: HappyCo API (Happy API)
  description: HappyCo's gRPC API for property inspections, reports, templates, accounts, users, partner account provisioning,
    assets, folders, and streaming events.
  humanURL: https://developer.happy.co/
  baseURL: https://grpc.happyco.com
  tags:
  - gRPC
  - Inspections
  - Property Management
  properties:
  - type: Documentation
    url: https://developer.happy.co/
  - type: Overview
    url: https://developer.happy.co/downloads/overview.pdf
  - type: Authentication
    url: authentication/happyco-authentication.yml
  - type: Conventions
    url: conventions/happyco-conventions.yml
  - type: Webhooks
    url: asyncapi/happyco-events.yml
  - type: DataModel
    url: data-model/happyco-data-model.yml
  - type: MCPServer
    url: mcp/happyco-mcp.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/happyco-domain-security.yml
- type: Website
  url: https://happy.co
- type: DeveloperPortal
  url: https://developer.happy.co/
- type: Documentation
  url: https://developer.happy.co/
- type: APIReference
  url: https://developer.happy.co/downloads/overview.pdf
- type: GitHubOrganization
  url: https://github.com/happy-co
- type: Support
  url: https://support.happy.co/hc/en-us
- type: HelpCenter
  url: https://support.happy.co/hc/en-us
- type: Blog
  url: https://happy.co/resources
- type: Pricing
  url: https://happy.co/pricing
- type: SignUp
  url: https://happy.co/demo
- type: TermsOfService
  url: https://happy.co/terms-of-use
- type: PrivacyPolicy
  url: https://happy.co/master-subscription-agreement
- type: ChangeLog
  url: https://support.happy.co/hc/en-us/articles/27219606661780-Release-Updates
- type: StatusPage
  url: https://happyco.statuspage.io/
- type: LLMsTxt
  url: llms/happyco-llms.txt
- type: Packages
  url: packages/happyco-packages.yml
- type: SDKs
  url: packages/happyco-packages.yml
- type: Authentication
  url: authentication/happyco-authentication.yml
- type: Conventions
  url: conventions/happyco-conventions.yml
- type: Lifecycle
  url: lifecycle/happyco-lifecycle.yml
- type: Conformance
  url: conformance/happyco-conformance.yml
- type: Compliance
  url: https://happy.co/press/happyco-announces-soc-2-type-ii-security-certification
- type: TrustCenter
  url: security/happyco-trust-center.yml
- type: WellKnown
  url: well-known/happyco-well-known.yml
- type: MCPServer
  url: mcp/happyco-mcp.yml
- type: Webhooks
  url: asyncapi/happyco-events.yml
- type: DataModel
  url: data-model/happyco-data-model.yml
- type: AgentSkill
  url: skills/_index.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence