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

50.2/100 developing ▬ flat Agent 38/100 agent ready Full breakdown ↓
scored 2026-08-10 · rubric v0.9.1

AccessSelf serve

1 APIs 1 MCP Servers

CompanyPropTechReal EstateProperty ManagementInspectionsMaintenanceMultifamilygRPC

Kin Score

Kin Score How this is scored →
scored 2026-08-10 · rubric v0.9.1

Composite quality — 50.2/100 · developing

Contract Quality 12.9 / 25

Developer Ergonomics 10.3 / 20

Commercial Clarity 12.1 / 20

Operational Transparency 5.8 / 13

Governance 0.4 / 12

Discoverability 8.7 / 10

Agent readiness — 38/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

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

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/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 1

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

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 1

Model Context Protocol servers that expose these APIs to AI agents.

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

WellKnown

MCPServer

AgentSkill

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions

Lifecycle

Conformance

Webhooks

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

Authentication

Compliance

TrustCenter

Operate 4

Status, limits, changes, and where to get help

Support

HelpCenter

ChangeLog

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)

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
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
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

HappyCo

Kin Score

APIs 1

HappyCo API (Happy API)

MCP Servers 1

happyco-mcp.yml

Event Specifications 1

Happyco Events

Security Posture 3

Happyco Authentication

Happyco Domain Security

Happyco Trust Center

Resources