# AK Steel Holding

**Canonical:** https://apis.io/providers/ak-steel-holding/  
**Website:** https://www.clevelandcliffs.com  
**APIs profiled:** 1

AK Steel Holding Corporation was a leading producer of flat-rolled carbon, stainless, and electrical steel products, as well as carbon and stainless tubular products, primarily serving the automotive, infrastructure, manufacturing, and electrical power markets. AK Steel was acquired by Cleveland-Cliffs Inc. in March 2020 and now operates as a subsidiary.

## Kin Score — 9.3 / 100 (minimal)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 9.3).

| Facet | Score |
|---|---|
| Discoverability | 59.3 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 0.0 |
| Commercial Clarity | 13.2 |
| Access Clarity | 13.2 |

## Agent readiness — 3.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Enterprise — onboarding: unknown, pricing: enterprise, trial: no (confidence: medium).

## APIs (1)

- **AK Steel Investor Relations** — AK Steel Holding Corporation investor relations portal providing access to financial reports, SEC filings, news releases, and shareholder information. Following acquisition by C...

## Security (1)

- **Ak Steel Holding Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Ak Steel Holding Plans Pricing**

## Use cases (3)

- **Automotive Manufacturing** — Steel suppliers and automotive OEMs source advanced high-strength steel for vehicle body structures and components.
- **Electrical Power Infrastructure** — Utilities and electrical equipment manufacturers source specialized electrical steel for transformers and motors.
- **Construction and Infrastructure** — Infrastructure projects source flat-rolled carbon steel for structural applications.

## Tags

Automotive, Manufacturing, Materials, Steel, Metals, Fortune 500

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/ak-steel-holding/). Scores are computed from the provider's own public artifacts under a published rubric.