Build website screenshot

Build

Build is an AI-native operating partner for the built world, pairing autonomous AI agents (its "Dougie" platform) with deep domain expertise to accelerate commercial real estate and infrastructure development. The platform automates mission-critical development workflows including site selection, due diligence, underwriting, investment-committee memos, test-fit analysis, market and zoning research, environmental diligence, and ESG reporting. Build serves institutional clients across data centers, industrials, energy, power, office, telecommunications, mixed-use, hotels, and multifamily. Backed by Index Ventures; profiled in the API Evangelist network. Build is a services company and does not currently publish a public developer API.

Build is profiled on the APIs.io network. Tagged areas include Company, Business Applications, Artificial Intelligence, AI Agents, and Real Estate.

Build’s developer surface includes engineering blog and 13 more developer resources.

🌐 Visit website 📡 Source on GitHub
18.6/100 emerging ▬ flat Agent 7/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyBusiness ApplicationsArtificial IntelligenceAI AgentsReal EstateCommercial Real EstateInfrastructureConstructionESGDue Diligence

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 18.6/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 0.4 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 1.4 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 7/100 · 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 4 / 4
Consent & Bot Identity 3 / 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/build: 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 3

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

Build Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Build Vulnerability Disclosure

Hackerone · security.txt · contact published

SECURITY

Build Trust Center

SOC 2

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Login
Login

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

WellKnown
WellKnown
 LLMsTxt
LLMsTxt

Access & Security 6

Authentication, authorization, and security posture

Security
Security
 Compliance
Compliance
 TrustCenter
TrustCenter
 VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 SecurityTxt
SecurityTxt

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

Other 1

Properties that don't map to a standard resource type

Company
Company

Source (apis.yml)

apis.yml Raw ↑ 
aid: build
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/build.png
name: Build
description: Build is an AI-native operating partner for the built world, pairing autonomous AI agents (its "Dougie" platform)
  with deep domain expertise to accelerate commercial real estate and infrastructure development. The platform automates mission-critical
  development workflows including site selection, due diligence, underwriting, investment-committee memos, test-fit analysis,
  market and zoning research, environmental diligence, and ESG reporting. Build serves institutional clients across data centers,
  industrials, energy, power, office, telecommunications, mixed-use, hotels, and multifamily. Backed by Index Ventures; profiled
  in the API Evangelist network. Build is a services company and does not currently publish a public developer API.
url: https://raw.githubusercontent.com/api-evangelist/build/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- index-ventures
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Business Applications
- Artificial Intelligence
- AI Agents
- Real Estate
- Commercial Real Estate
- Infrastructure
- Construction
- ESG
- Due Diligence
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.build.inc
- type: Company
  url: https://www.build.inc/company
- type: Blog
  url: https://www.build.inc/blog
- type: Login
  url: https://app.build.inc/login
- type: TermsOfService
  url: https://www.build.inc/terms
- type: PrivacyPolicy
  url: https://www.build.inc/privacy
- type: Security
  url: https://www.build.inc/security
- type: Compliance
  url: https://build.inc/trust
- type: TrustCenter
  url: security/build-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/build-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/build-domain-security.yml
- type: SecurityTxt
  url: well-known/build-security.txt
- type: WellKnown
  url: well-known/build-well-known.yml
- type: LLMsTxt
  url: llms/build-llms.txt
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence