Ernst & Young (EY) website screenshot

Ernst & Young (EY)

Ernst & Young (EY) is one of the Big Four professional services organizations, operating as a global network of member firms branded under "EY" and coordinated by Ernst & Young Global Limited (EYG). EY reports a workforce of roughly 400,000 people spanning approximately 150 countries. The firm's stated purpose is "Building a better working world" and it organizes delivery across a small set of professional service lines — Assurance, Consulting, Strategy & Transactions (branded as EY-Parthenon, covering both Strategy and Transactions and Corporate Finance), Tax, Law, Technology, Managed Services, and People & Workforce Services — plus EY Private (services for privately-held and entrepreneur-led businesses) and EY Sustainability. Industry coverage is organized into eight sectors: Industrials & Mobility, Consumer Products & Retail, Energy & Resources, Financial Services, Government & Infrastructure, Health & Life Sciences, Private Equity, and Technology, Media & Telecommunications. EY's flagship technology initiative is EY.ai, positioned as an enterprise-scale "agentic AI unifying platform" backed by alliances with NVIDIA, Microsoft, IBM, SAP, ServiceNow and others. Adjacent platform brands include EY Nexus (a sector-tailored business transformation platform marketed primarily to financial services), EY Studio+ (customer experience / growth), EY Ecosystems (partnership network), and EY wavespace (innovation centers). EY's research-publishing surface is the EY Insights portfolio, organized around topic areas (AI, Finance, Geostrategy, People and Workforce, Risk, Sustainability, Technology, EY Transformation) and flagship recurring series including the CEO Outlook, EY Megatrends, Global IPO Trends, the Private Equity Pulse, Work Reimagined, the Climate Action Barometer, and the Nature Action Barometer, plus EY Podcasts and EY Webcasts. Project Everest — the proposed split of EY's audit and consulting businesses — was publicly cancelled in April 2023, and EY continues to operate as an integrated multi-line professional services organization. EY does not publish a public developer portal, OpenAPI specifications, public REST APIs, or a consumer-facing API pricing surface at the global corporate level. The only first-party EY GitHub organization that is publicly discoverable is EYBlockchain (github.com/EYBlockchain, ~28 public repositories, ~160 followers, blog URL blockchain.ey.com), which hosts EY's open-source zero-knowledge cryptography and privacy-preserving blockchain work, anchored by the Nightfall optimistic-rollup family (Nightfall_3 in JavaScript / Nightfall_4 Community Edition in Rust) and the Starlight Solidity-to-zApp transpiler, alongside supporting libraries such as Timber, Poseidon, halo2-lib, snark-verifier, plonkish, algebra, and ZoKrates wrappers, plus product brands EY Blockchain Analyzer (Reconciler and Smart Contract & Token Review) and the EY OpsChain Suite (Traceability, ESG, Contract Manager).

Ernst & Young (EY) is profiled on the APIs.io network. Tagged areas include Professional Services, Big Four, Consulting, Assurance, and Audit.

The Ernst & Young (EY) catalog on APIs.io includes 1 JSON-LD context.

Ernst & Young (EY)’s developer surface includes YouTube channel, legal docs, and 30 more developer resources.

27.6/100 emerging ▬ flat Agent 7/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessFreemium
0 APIs
Professional ServicesBig FourConsultingAssuranceAuditTaxLawStrategyTransactionsCorporate FinanceTechnologyManaged ServicesPeople And WorkforceSustainabilityESGRiskAIAgentic AIBlockchainZero Knowledge ProofsPrivacyInsightsResearchIndustry Analysis

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 27.6/100 · emerging
Contract Quality 3.8 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 13.7 / 20
Operational Transparency 3.4 / 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 7 / 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/ernst-and-young: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Ernst And Young Rate Limits

1 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Ernst And Young Context

53 classes · 2 properties

JSON-LD

Security Posture 1

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

Ernst And Young Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Resources

Build 5

SDKs, sample code, and the tooling you integrate with

Access & Security 2

Authentication, authorization, and security posture

Learn 2

Tutorials, courses, talks, and written guidance

Operate 1

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 5

The organization behind the API

Other 14

Properties that don't map to a standard resource type

Scroll for all 14

Source (apis.yml)

apis.yml Raw ↑
aid: ernst-and-young
name: Ernst & Young (EY)
description: 'Ernst & Young (EY) is one of the Big Four professional services organizations, operating as a global network
  of member firms branded under "EY" and coordinated by Ernst & Young Global Limited (EYG). EY reports a workforce of roughly
  400,000 people spanning approximately 150 countries. The firm''s stated purpose is "Building a better working world" and
  it organizes delivery across a small set of professional service lines — Assurance, Consulting, Strategy & Transactions
  (branded as EY-Parthenon, covering both Strategy and Transactions and Corporate Finance), Tax, Law, Technology, Managed
  Services, and People & Workforce Services — plus EY Private (services for privately-held and entrepreneur-led businesses)
  and EY Sustainability. Industry coverage is organized into eight sectors: Industrials & Mobility, Consumer Products & Retail,
  Energy & Resources, Financial Services, Government & Infrastructure, Health & Life Sciences, Private Equity, and Technology,
  Media & Telecommunications. EY''s flagship technology initiative is EY.ai, positioned as an enterprise-scale "agentic AI
  unifying platform" backed by alliances with NVIDIA, Microsoft, IBM, SAP, ServiceNow and others. Adjacent platform brands
  include EY Nexus (a sector-tailored business transformation platform marketed primarily to financial services), EY Studio+
  (customer experience / growth), EY Ecosystems (partnership network), and EY wavespace (innovation centers). EY''s research-publishing
  surface is the EY Insights portfolio, organized around topic areas (AI, Finance, Geostrategy, People and Workforce, Risk,
  Sustainability, Technology, EY Transformation) and flagship recurring series including the CEO Outlook, EY Megatrends, Global
  IPO Trends, the Private Equity Pulse, Work Reimagined, the Climate Action Barometer, and the Nature Action Barometer, plus
  EY Podcasts and EY Webcasts. Project Everest — the proposed split of EY''s audit and consulting businesses — was publicly
  cancelled in April 2023, and EY continues to operate as an integrated multi-line professional services organization. EY
  does not publish a public developer portal, OpenAPI specifications, public REST APIs, or a consumer-facing API pricing surface
  at the global corporate level. The only first-party EY GitHub organization that is publicly discoverable is EYBlockchain
  (github.com/EYBlockchain, ~28 public repositories, ~160 followers, blog URL blockchain.ey.com), which hosts EY''s open-source
  zero-knowledge cryptography and privacy-preserving blockchain work, anchored by the Nightfall optimistic-rollup family (Nightfall_3
  in JavaScript / Nightfall_4 Community Edition in Rust) and the Starlight Solidity-to-zApp transpiler, alongside supporting
  libraries such as Timber, Poseidon, halo2-lib, snark-verifier, plonkish, algebra, and ZoKrates wrappers, plus product brands
  EY Blockchain Analyzer (Reconciler and Smart Contract & Token Review) and the EY OpsChain Suite (Traceability, ESG, Contract
  Manager).'
kind: company
accessModel:
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  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
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  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/ernst-and-young.png
tags:
- Professional Services
- Big Four
- Consulting
- Assurance
- Audit
- Tax
- Law
- Strategy
- Transactions
- Corporate Finance
- Technology
- Managed Services
- People And Workforce
- Sustainability
- ESG
- Risk
- AI
- Agentic AI
- Blockchain
- Zero Knowledge Proofs
- Privacy
- Insights
- Research
- Industry Analysis
url: https://raw.githubusercontent.com/api-evangelist/ernst-and-young/refs/heads/main/apis.yml
created: '2026-05-23'
modified: '2026-05-23'
specificationVersion: '0.19'
apis: []
common:
- type: DomainSecurity
  url: security/ernst-and-young-domain-security.yml
- type: Website
  url: https://www.ey.com/en_gl
- type: About
  url: https://www.ey.com/en_gl/about-us
- type: Services
  url: https://www.ey.com/en_gl/services
- type: Industries
  url: https://www.ey.com/en_gl/industries
- type: KnowledgeCenter
  name: EY Insights
  url: https://www.ey.com/en_gl/insights
- type: Hub
  name: EY.ai
  url: https://www.ey.com/en_gl/ai
- type: Hub
  name: EY Blockchain
  url: https://blockchain.ey.com
- type: Hub
  name: EY Nexus
  url: https://www.ey.com/en_gl/services/consulting
- type: Hub
  name: EY-Parthenon
  url: https://www.ey.com/en_gl/services/strategy-by-ey-parthenon
- type: Hub
  name: EY Private
  url: https://www.ey.com/en_gl/services/ey-private
- type: Hub
  name: EY Sustainability
  url: https://www.ey.com/en_gl/services/sustainability
- type: Hub
  name: EY Law
  url: https://www.ey.com/en_gl/services/law
- type: Hub
  name: EY Managed Services
  url: https://www.ey.com/en_gl/services/managed-services
- type: Newsroom
  url: https://www.ey.com/en_gl/newsroom
- type: Podcasts
  name: EY Podcasts
  url: https://www.ey.com/en_gl/insights/podcasts
- type: Webinars
  name: EY Webcasts
  url: https://www.ey.com/en_gl/insights/webcasts
- type: Careers
  url: https://www.ey.com/en_gl/careers
- type: GitHubOrganization
  name: EY Blockchain
  url: https://github.com/EYBlockchain
- type: GitHubRepository
  name: Nightfall_3 (Optimistic ZK Rollup)
  url: https://github.com/EYBlockchain/nightfall_3
- type: GitHubRepository
  name: Nightfall_4_CE (Rust)
  url: https://github.com/EYBlockchain/nightfall_4_CE
- type: GitHubRepository
  name: Starlight (Solidity to zApp transpiler)
  url: https://github.com/EYBlockchain/starlight
- type: GitHubRepository
  name: Timber (Merkle tree from Ethereum logs)
  url: https://github.com/EYBlockchain/timber
- type: LinkedIn
  url: https://www.linkedin.com/company/ernstandyoung
- type: X
  url: https://x.com/EYnews
- type: YouTube
  name: EY Global
  url: https://www.youtube.com/@ey_global
- type: Legal
  url: https://www.ey.com/en_gl/legal-and-privacy/legal-statement
- type: PrivacyPolicy
  url: https://www.ey.com/en_gl/legal-and-privacy/privacy-statement
- type: TermsOfService
  name: Cookie Policy
  url: https://www.ey.com/en_gl/legal-and-privacy/cookie-policy
- type: Compliance
  name: Global Code of Conduct
  url: https://www.ey.com/en_gl/about-us/global-code-of-conduct
- type: Accessibility
  url: https://www.ey.com/en_gl/legal-and-privacy/global-web-accessibility-statement
- type: Contact
  url: https://www.ey.com/en_gl/contact-us
properties:
- type: JSONLD
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- type: Vocabulary
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- type: Plans
  url: https://raw.githubusercontent.com/api-evangelist/ernst-and-young/refs/heads/main/plans/ernst-and-young-plans-pricing.yml
- type: RateLimits
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- type: FinOps
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maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com