EY

One of the Big Four professional services firms providing audit, tax, consulting, and advisory services. Operates in over 150 countries helping businesses navigate regulatory and strategic challenges, and runs proprietary technology platforms such as EY Helix (analytics), EY Atlas (research), and EY Canvas (audit) for internal and engagement use.

EY is profiled on the APIs.io network. Tagged areas include Consulting, Accounting, Audit, Tax, and Advisory.

EY’s developer surface includes product news, engineering blog, and 10 more developer resources.

🌐 Visit website 📡 Source on GitHub

10.7/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

ConsultingAccountingAuditTaxAdvisoryProfessional Services

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 10.7/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.4 / 20

Commercial Clarity 4.2 / 20

Operational Transparency 0.0 / 13

Governance 0.0 / 12

Discoverability 6.0 / 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/ey: 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.

Ey Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

ClientPortal

ClientPortal

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

ContactUs

ContactUs

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Company 6

The organization behind the API

LinkedIn

Website

AboutUs

News

Careers

Blog

Other 1

Properties that don't map to a standard resource type

Insights

Insights

Source (apis.yml)

aid: ey
url: https://raw.githubusercontent.com/api-evangelist/ey/refs/heads/main/apis.yml
name: EY
type: Index
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/ey.png
tags:
- Consulting
- Accounting
- Audit
- Tax
- Advisory
- Professional Services
description: One of the Big Four professional services firms providing audit, tax, consulting, and advisory services. Operates
  in over 150 countries helping businesses navigate regulatory and strategic challenges, and runs proprietary technology platforms
  such as EY Helix (analytics), EY Atlas (research), and EY Canvas (audit) for internal and engagement use.
created: '2026-05-05'
modified: '2026-05-16'
specificationVersion: '0.19'
apis: []
x-no-public-api: true
x-no-public-api-reason: EY does not publish a public developer portal, OpenAPI specs, or partner API documentation. EY operates
  proprietary technology platforms (EY Helix analytics, EY Atlas research, EY Canvas audit, EY Intelligent Tax) but those
  systems are surfaced to clients through engagement teams and the EY Client Portal rather than as self-service developer
  APIs. Any technical integrations are arranged through engagement contracts and EY Technology Consulting.
common:
- type: DomainSecurity
  url: security/ey-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/ernstandyoung
- type: Website
  url: https://www.ey.com/
- type: AboutUs
  url: https://www.ey.com/en_gl/about-us
- type: ClientPortal
  url: https://www.eyclientportal.com/
- type: Insights
  url: https://www.ey.com/en_gl/insights
- type: News
  url: https://www.ey.com/en_gl/newsroom
- type: Careers
  url: https://www.ey.com/en_gl/careers
- type: ContactUs
  url: https://www.ey.com/en_gl/contact-us
- type: PrivacyPolicy
  url: https://www.ey.com/en_gl/privacy-statement
- type: TermsOfService
  url: https://www.ey.com/en_gl/legal-statement
- url: https://www.ey.com/en_gl/newsroom
  type: Blog