United States Steel

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.

United States Steel is listed with 4 APIs on the APIs.io network, including Inventory API, Orders API, Shipments API, and 1 more. Tagged areas include Steel, Manufacturing, Automotive, Construction, and Energy.

The United States Steel catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

United States Steel’s developer surface includes engineering blog, authentication, developer portal, documentation, and 10 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

27.6/100 thin ▬ flat Agent 37/100 agent ready Front door AI 1/6 silent Heartbeat 100/100 alive Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessFreemiumSelf serve⚡ Free to try

4 APIs 7 Features 6 Use Cases

Steel Manufacturing Automotive Construction Energy Supply Chain Fortune 500

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 27.6/100 · thin

Contract Quality 6.5 / 21

Developer Ergonomics 5.9 / 17

Access Clarity 1.3 / 17

Operational Transparency 0.9 / 11

Contract Governance 2.8 / 10

Discoverability 6.1 / 9

Regulatory Posture 2.1 / 15

Agent readiness — 37/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 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

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 4 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Energy & Utilities regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics does not apply to this provider. The published contracts declare no write operations, and a read-only API cannot create-or-update. The facet is excluded from this provider's denominator entirely — not scored zero. A reference or data API is not deficient for being unable to upsert.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Show this score on your site.

It updates itself when the score changes. Paste this where you link to your API docs:

<a href="https://apis.io/providers/united-states-steel/"><img src="https://apis.io/badge/united-states-steel/card.svg" alt="United States Steel on APIs.io — Kin Score by API Evangelist"></a>

Other styles, a README pill and a shields.io endpoint are on the badge page.

Raise your score.

Agent readiness — checks not met, largest first (exact, from this profile):

MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document
Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented)
Typed Event Surface +6 pts — AsyncAPI document, OR webhooks/callbacks objects in the as-published OpenAPI, OR common[].type includes Webhooks
Agent Skills +5 pts — skills artifact present, graded by who authored it

4 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Access Clarity scores 7.9 — up to +18.4 composite points
Contract Quality scores 30.4 — up to +17.4 composite points
Developer Ergonomics scores 34.5 — up to +13.1 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

OPEN COLLECTION

U.S. Steel SteelTrack Inventory Test Reports API

OPEN COLLECTION

United States Steel API pricing

Not yet checked against United States Steel's own pricing page. Compiled by API Evangelist on 2026-05-04; confirm before you rely on a figure. A free plan or tier is listed.

Plan	Price
Free freemium	Free
Professional paid	Free
Enterprise enterprise	—

Plan details, limits and sources →

Rate limits

Free Tier Default: 10 requests per minute
Free Tier Monthly Quota: 1000 requests per month
Professional Tier Default: 100 requests per minute

Compiled by API Evangelist, not yet checked against United States Steel's documentation. All 5 limits →

Pricing Plans 1

Published pricing tiers and plan structures.

United States Steel Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

United States Steel Rate Limits

5 limits

RATE LIMITS

Service Levels 1

Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.

United States Steel

SLA

FinOps 1

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

United States Steel Finops

FINOPS

Features 7

Notable capabilities this provider offers.

Order Status Reporting

Customizable reports on order availability and status across all U.S. Steel facilities.

Inventory Tracking

On-demand inventory reporting filterable by OP, customer, PO, and part number with flexible sorting.

Shipment History

Load history searchable by order item, part number, and PO with optional coil-level detail.

Certified Test Reports

Physical, mechanical, and chemical test reports with electronic certification signatures.

24/7 Availability

SteelTrack platform operates 24 hours a day, 7 days a week with console dashboard and workflow guidance.

Multi-Facility Coverage

Consolidated view across all U.S. Steel production facilities including Gary Works, Mon Valley, and Big River Steel.

Real-Time Updates

New and updated test report information relayed throughout the day to the Test Reports System.

Scroll for all 7

Semantic Vocabularies 1

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

United States Steel Steeltrack Context

8 classes · 33 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

United States Steel — jsonschema rules

5 rules · 3 warnings 2 info

SPECTRAL

United States Steel API Rules

32 rules · 13 errors 13 warnings 6 info

SPECTRAL

JSON Schema 8

Standalone JSON Schema definitions for this provider's data models.

InventoryItem

Recommended x-agentic-access execution contracts for AI agents.

United States Steel Agentic Access

5 operations

5 operations · 0 acting

AGENTIC

Use Cases 6

What developers build with this provider.

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.

Integrations 4

Pre-built integrations with other platforms and tools.

SAP

SteelTrack data integrates with SAP ERP for automated purchase order management and goods receipt processing.

Oracle ERP

Order and inventory data connects to Oracle ERP Cloud for supply chain and procurement workflows.

EDI

Electronic Data Interchange for standard steel industry transaction sets including orders, shipment notices, and invoices.

Nippon Steel

Technology partnership with Nippon Steel Corporation following acquisition for shared manufacturing intelligence.

Press 5

Recent news and press coverage referencing this provider.

Press Releases

United States Steel Corporation Announces Strategic ...

United States Steel Corp. on Thursday announced a ...

Media - Newsroom - www.ussteel.com

U. S. Steel Aims to Improve Operational Efficiencies and ...

Resources

Get Started 1

Portal, sign-up, and the first successful call

Portal

Portal

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

SpectralRules

SpectralRules

Vocabulary

Vocabulary

Build 1

SDKs, sample code, and the tooling you integrate with

PostmanWorkspace

PostmanWorkspace

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 3

The organization behind the API

Blog

Blog

LinkedIn

Website

Website

Source (apis.yml)

aid: united-states-steel
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - openapi
  generated: '2026-08-28'
  method: derived
specificationVersion: '0.23'
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  gated: none
  gated_source:
  - onboarding
  label: Freemium · Self-serve signup
  confidence: medium
  source:
  - plans
  - authentication
  - security
  generated: '2026-11-06'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/united-states-steel.png
name: United States Steel
url: https://raw.githubusercontent.com/api-evangelist/united-states-steel/refs/heads/main/apis.yml
description: 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.
modified: '2026-10-06'
tags:
- Steel
- Manufacturing
- Automotive
- Construction
- Energy
- Supply Chain
- Fortune 500
apis:
- aid: united-states-steel:united-states-steel-inventory-api
  name: United States Steel Inventory API
  description: Inventory tracking and management operations
  humanURL: https://www.ussteel.com/about-us/doing-business-with-u.-s.-steel
  baseURL: https://steeltrack.ussteel.com/api
  tags:
  - Inventory
  properties:
  - type: OpenAPI
    url: openapi/united-states-steel-inventory-api-openapi.yml
  - type: Documentation
    url: https://www.ussteel.com/about-us/doing-business-with-u.-s.-steel
  - type: JSONSchema
    url: json-schema/steeltrack-order-schema.json
  - type: JSONSchema
    url: json-schema/steeltrack-shipment-schema.json
  - type: JSONStructure
    url: json-structure/steeltrack-order-structure.json
  - type: JSONLD
    url: json-ld/united-states-steel-steeltrack-context.jsonld
  - type: Examples
    url: examples/steeltrack-order-example.json
- aid: united-states-steel:united-states-steel-orders-api
  name: United States Steel Orders API
  description: Order status and summary reporting operations
  humanURL: https://www.ussteel.com/about-us/doing-business-with-u.-s.-steel
  baseURL: https://steeltrack.ussteel.com/api
  tags:
  - Order
  tags_raw:
  - Orders
  properties:
  - type: OpenAPI
    url: openapi/united-states-steel-orders-api-openapi.yml
  - type: Documentation
    url: https://www.ussteel.com/about-us/doing-business-with-u.-s.-steel
  - type: JSONSchema
    url: json-schema/steeltrack-order-schema.json
  - type: JSONSchema
    url: json-schema/steeltrack-shipment-schema.json
  - type: JSONStructure
    url: json-structure/steeltrack-order-structure.json
  - type: JSONLD
    url: json-ld/united-states-steel-steeltrack-context.jsonld
  - type: Examples
    url: examples/steeltrack-order-example.json
- aid: united-states-steel:united-states-steel-shipments-api
  name: United States Steel Shipments API
  description: Shipment history and tracking operations
  humanURL: https://www.ussteel.com/about-us/doing-business-with-u.-s.-steel
  baseURL: https://steeltrack.ussteel.com/api
  tags:
  - Shipments
  properties:
  - type: OpenAPI
    url: openapi/united-states-steel-shipments-api-openapi.yml
  - type: Documentation
    url: https://www.ussteel.com/about-us/doing-business-with-u.-s.-steel
  - type: JSONSchema
    url: json-schema/steeltrack-order-schema.json
  - type: JSONSchema
    url: json-schema/steeltrack-shipment-schema.json
  - type: JSONStructure
    url: json-structure/steeltrack-order-structure.json
  - type: JSONLD
    url: json-ld/united-states-steel-steeltrack-context.jsonld
  - type: Examples
    url: examples/steeltrack-order-example.json
- aid: united-states-steel:united-states-steel-test-reports-api
  name: United States Steel Test Reports API
  description: Physical, mechanical, and chemical test report operations
  humanURL: https://www.ussteel.com/about-us/doing-business-with-u.-s.-steel
  baseURL: https://steeltrack.ussteel.com/api
  tags:
  - Test Reports
  properties:
  - type: OpenAPI
    url: openapi/united-states-steel-test-reports-api-openapi.yml
  - type: Documentation
    url: https://www.ussteel.com/about-us/doing-business-with-u.-s.-steel
  - type: JSONSchema
    url: json-schema/steeltrack-order-schema.json
  - type: JSONSchema
    url: json-schema/steeltrack-shipment-schema.json
  - type: JSONStructure
    url: json-structure/steeltrack-order-structure.json
  - type: JSONLD
    url: json-ld/united-states-steel-steeltrack-context.jsonld
  - type: Examples
    url: examples/steeltrack-order-example.json
common:
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/united-states-steel/overview
- type: Plans
  url: plans/united-states-steel-plans-pricing.yml
- type: RateLimits
  url: rate-limits/united-states-steel-rate-limits.yml
- type: FinOps
  url: finops/united-states-steel-finops.yml
- url: https://www.ussteel.com/media/newsroom
  type: Blog
- type: AgenticAccess
  url: agentic-access/united-states-steel-agentic-access.yml
- type: DomainSecurity
  url: security/united-states-steel-domain-security.yml
- type: Authentication
  url: authentication/united-states-steel-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/u-s-steel
- type: Website
  url: https://www.ussteel.com
- type: Portal
  url: https://www.ussteel.com/customers/solutions
- type: Documentation
  url: https://www.ussteel.com/about-us/doing-business-with-u.-s.-steel
- type: SpectralRules
  url: rules/united-states-steel-spectral-rules.yml
- type: Vocabulary
  url: vocabulary/united-states-steel-vocabulary.yaml
- type: Features
  data:
  - name: Order Status Reporting
    description: Customizable reports on order availability and status across all U.S. Steel facilities.
  - name: Inventory Tracking
    description: On-demand inventory reporting filterable by OP, customer, PO, and part number with flexible sorting.
  - name: Shipment History
    description: Load history searchable by order item, part number, and PO with optional coil-level detail.
  - name: Certified Test Reports
    description: Physical, mechanical, and chemical test reports with electronic certification signatures.
  - name: 24/7 Availability
    description: SteelTrack platform operates 24 hours a day, 7 days a week with console dashboard and workflow guidance.
  - name: Multi-Facility Coverage
    description: Consolidated view across all U.S. Steel production facilities including Gary Works, Mon Valley, and Big River
      Steel.
  - name: Real-Time Updates
    description: New and updated test report information relayed throughout the day to the Test Reports System.
- type: UseCases
  data:
  - name: ERP Integration
    description: Integrate SteelTrack order and shipment data directly into customer ERP systems for automated procurement
      workflows.
  - name: Quality Documentation
    description: Automate retrieval of certified mill test reports for compliance, quality audits, and material traceability.
  - name: Supply Chain Visibility
    description: Track steel coil status from order placement through production and delivery for manufacturing planning.
  - name: Inventory Planning
    description: Monitor available inventory and in-transit material to optimize material release and production scheduling.
  - name: Automotive Supplier Compliance
    description: Access physical and chemical test data to meet automotive OEM supplier quality requirements (PPAP, IMDS).
  - name: Shipment Reconciliation
    description: Reconcile received shipments against orders using coil-level shipping data for accounts payable processing.
- type: Integrations
  data:
  - name: SAP
    description: SteelTrack data integrates with SAP ERP for automated purchase order management and goods receipt processing.
  - name: Oracle ERP
    description: Order and inventory data connects to Oracle ERP Cloud for supply chain and procurement workflows.
  - name: EDI
    description: Electronic Data Interchange for standard steel industry transaction sets including orders, shipment notices,
      and invoices.
  - name: Nippon Steel
    description: Technology partnership with Nippon Steel Corporation following acquisition for shared manufacturing intelligence.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

United States Steel API — frequently asked questions

Does United States Steel have an API?

Yes. APIs.io lists 4 APIs from United States Steel, including United States Steel Inventory API, United States Steel Orders API and United States Steel Shipments API, and 1 more.

Is there an OpenAPI specification for the United States Steel API?

Yes. APIs.io indexes 4 OpenAPI specifications for United States Steel, each linked for download from this page.

How do I authenticate with the United States Steel API?

United States Steel uses bearer-token authentication (http · 1 scheme). The details are profiled on APIs.io as United States Steel Authentication.

How much does the United States Steel API cost?

APIs.io lists 3 pricing plans for United States Steel, with each plan's price, limits and inclusions under Pricing on this page.

Is the United States Steel API ready for AI agents?

United States Steel has a Kin Score of 27.6 out of 100 (thin) and an Agent Readiness score of 37.4 (agent-ready), scored by API Evangelist on 2026-11-06.

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this

find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This provider

curl "https://apis.io/api/v1/providers/united-states-steel"

All providers

curl "https://apis.io/api/v1/providers?limit=25"

Every operation they expose

curl "https://apis.io/api/v1/providers/united-states-steel/operations?limit=25"

How their score was established

curl "https://apis.io/api/v1/providers/united-states-steel/evidence"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.