Smartsign

Smartsign (SmartSign) is a Brooklyn, New York-based e-commerce retailer of customizable signs, labels, and tags for regulatory, compliance, and safety applications, founded in 1999. It sells pre-designed and custom signage - safety, parking, traffic, property, and facility signs, plus banners and labels - online to businesses of all sizes, including a large share of the Fortune 1000 across education, healthcare, and industrial verticals. Norwest Venture Partners acquired the company in 2019 and Sentinel Capital Partners acquired it in September 2022. SmartSign operates as a business-to-business and business-to-consumer e-commerce storefront and does not publish a public developer API, developer portal, or OpenAPI surface.

Smartsign is profiled on the APIs.io network. Tagged areas include Company, Signage, E-Commerce, Labels, and Safety.

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

🌐 Visit website 📡 Source on GitHub
9.3/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanySignageE-CommerceLabelsSafetyComplianceRetailPrinting

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 9.3/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.4 / 20
Commercial Clarity 2.1 / 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/smartsign: 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 1

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

Smartsign Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Commercial 1

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: smartsign
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/smartsign.png
name: Smartsign
description: Smartsign (SmartSign) is a Brooklyn, New York-based e-commerce retailer of customizable signs, labels, and tags
  for regulatory, compliance, and safety applications, founded in 1999. It sells pre-designed and custom signage - safety,
  parking, traffic, property, and facility signs, plus banners and labels - online to businesses of all sizes, including a
  large share of the Fortune 1000 across education, healthcare, and industrial verticals. Norwest Venture Partners acquired
  the company in 2019 and Sentinel Capital Partners acquired it in September 2022. SmartSign operates as a business-to-business
  and business-to-consumer e-commerce storefront and does not publish a public developer API, developer portal, or OpenAPI
  surface.
url: https://raw.githubusercontent.com/api-evangelist/smartsign/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- norwest-venture-partners
x-tier: stub
x-tier-reason: portfolio-lead
x-api-surface: none
x-api-surface-note: 'Probed 2026-07-21 - no public API: all /.well-known/* and /api paths return 404, no api/developer/docs
  subdomains resolve, and the homepage exposes no developer resources. SmartSign is an e-commerce sign/label retailer.'
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Signage
- E-Commerce
- Labels
- Safety
- Compliance
- Retail
- Printing
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/smartsign-domain-security.yml
- type: Website
  url: https://www.smartsign.com
- type: Blog
  url: https://www.smartsign.com/blog
- type: TermsOfService
  url: https://www.smartsign.com/terms
x-enrichment:
  date: '2026-07-21'
  status: minimal
  artifacts_added: 1
  pass: local-v1