# United States Steel

**Canonical:** https://apis.io/providers/united-states-steel/  
**Website:** https://www.ussteel.com  
**APIs profiled:** 4

United States Steel Corporation (U.S. Steel) is an integrated steel producer headquartered in Pittsburgh, Pennsylvania, with major production operations in the United States and Central Europe. The company serves customers in automotive, construction, container, energy, and industrial markets with advanced high-strength steels, coated products, hot-rolled and cold-rolled coils, electrical steel, and tubular products. U.S. Steel provides digital customer tools through the SteelTrack platform for order management, inventory tracking, shipment history, and certified test reporting.

## Kin Score — 28.9 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 28.9).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 30.1 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 31.0 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

Regulatory layer — **Energy & Utilities**: 23.0 (matched via tags).

## Agent readiness — 50.0 (agent-native)

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

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (4)

- **United States Steel Inventory API** — Inventory tracking and management operations
- **United States Steel Orders API** — Order status and summary reporting operations
- **United States Steel Shipments API** — Shipment history and tracking operations
- **United States Steel Test Reports API** — Physical, mechanical, and chemical test report operations

## Agentic access (1)

- **United States Steel Agentic Access** — 5 operations

## Security (2)

- **United States Steel Authentication** — http · 1 scheme
- **United States Steel Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **United States Steel Plans Pricing**

## Use cases (6)

- **ERP Integration** — Integrate SteelTrack order and shipment data directly into customer ERP systems for automated procurement workflows.
- **Quality Documentation** — Automate retrieval of certified mill test reports for compliance, quality audits, and material traceability.
- **Supply Chain Visibility** — Track steel coil status from order placement through production and delivery for manufacturing planning.
- **Inventory Planning** — Monitor available inventory and in-transit material to optimize material release and production scheduling.
- **Automotive Supplier Compliance** — Access physical and chemical test data to meet automotive OEM supplier quality requirements (PPAP, IMDS).
- **Shipment Reconciliation** — Reconcile received shipments against orders using coil-level shipping data for accounts payable processing.

## Tags

Steel, Manufacturing, Automotive, Construction, Energy, Supply Chain, Fortune 500

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