User1st

User1st is a web and mobile digital accessibility company whose U1 Suite gives organizations an efficient path to WCAG, ADA, and European Accessibility Act (EAA) compliance. It provides accessibility toolkits and remediation across web frameworks (JavaScript/TypeScript, React, Angular, Vue, WordPress, Shopify) and mobile platforms (iOS Native, Android Native, React Native, Flutter), plus a free accessibility scanner and GenAI-assisted code-fixing and image-description tooling. Trusted by organizations including Amtrak, Fannie Mae, IKEA, iRobot, T-Mobile, Santander, Mount Sinai, and the City of New York. Backed by 500 Global. This profile was enriched by the API Evangelist pipeline; the product backend is an internal SaaS API with no public developer API surface.

User1st is profiled on the APIs.io network. Tagged areas include Company, Accessibility, Digital Accessibility, WCAG, and ADA.

User1st’s developer surface includes pricing, signup flow, support, engineering blog, and 7 more developer resources.

14.9/100 minimal ▬ flat Agent 4/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
CompanyAccessibilityDigital AccessibilityWCAGADAEAA ComplianceWeb AccessibilityMobile AccessibilityCompliance

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 14.9/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 1.3 / 20
Commercial Clarity 6.8 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 4/100 · 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 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/user1st: 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.

User1St Domain Security

TLSv1.3 · DNSSEC · DMARC

SECURITY

Resources

Get Started 2

Portal, sign-up, and the first successful call

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

Access & Security 1

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: user1st
name: User1st
description: User1st is a web and mobile digital accessibility company whose U1 Suite gives organizations an efficient path
  to WCAG, ADA, and European Accessibility Act (EAA) compliance. It provides accessibility toolkits and remediation across
  web frameworks (JavaScript/TypeScript, React, Angular, Vue, WordPress, Shopify) and mobile platforms (iOS Native, Android
  Native, React Native, Flutter), plus a free accessibility scanner and GenAI-assisted code-fixing and image-description tooling.
  Trusted by organizations including Amtrak, Fannie Mae, IKEA, iRobot, T-Mobile, Santander, Mount Sinai, and the City of New
  York. Backed by 500 Global. This profile was enriched by the API Evangelist pipeline; the product backend is an internal
  SaaS API with no public developer API surface.
url: https://raw.githubusercontent.com/api-evangelist/user1st/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
image: https://user1st.com/u1.png
tags:
- Company
- Accessibility
- Digital Accessibility
- WCAG
- ADA
- EAA Compliance
- Web Accessibility
- Mobile Accessibility
- Compliance
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://user1st.com
- type: Pricing
  url: https://user1st.com/pricing
- type: SignUp
  url: https://user1st.com/sign-in
- type: Login
  url: https://user1st.com/sign-in
- type: PrivacyPolicy
  url: https://user1st.com/privacy-policy
- type: Support
  url: https://user1st.com/faq
- type: Blog
  url: https://blog.user1st.com
- type: BlogRSS
  url: https://blog.user1st.com/feed
- type: WellKnown
  url: well-known/user1st-well-known.yml
- type: DomainSecurity
  url: security/user1st-domain-security.yml
- type: LLMsTxt
  url: llms/user1st-llms.txt
x-enrichment:
  date: '2026-07-21'
  status: minimal
  artifacts_added: 3
  pass: local-v1