Greenbrier Companies

The Greenbrier Companies is a leading international supplier of equipment and services to global freight transportation markets, designing, building and marketing freight railcars in North America, Europe and South America from its headquarters in Lake Oswego, Oregon. Greenbrier also operates railcar leasing and fleet management, wheel services, maintenance and repair, marine barge manufacturing in Portland, and participates in the RailPulse railcar-telematics joint venture. Greenbrier publishes no developer program, no API portal and no SDKs, and sells no API product. It does, however, operate several real, anonymously callable HTTP surfaces on its own hosts: a bespoke JSON API serving certified tank-car gauge tables at tankcar.gbrx.com, and the WordPress and WooCommerce Store REST APIs behind www.gbrx.com, which expose the railcar product catalog, the aftermarket parts catalog, the press room and site search. Those are catalogued here for discovery; they are not a product Greenbrier markets.

Greenbrier Companies publishes 4 API contracts indexed on the APIs.io network, including Export API, Gauge Tables API, Reporting Marks API, and 1 more. Tagged areas include Rail, Railcars, Freight, Transportation, and Manufacturing.

The Greenbrier Companies catalog on APIs.io includes 1 Spectral governance ruleset.

Greenbrier Companies’ developer surface includes engineering blog, support, and 19 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

26.4/100 thin ▬ flat Agent 40/100 agent ready Front door AI 1/6 silent Heartbeat 100/100 alive saas Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessOpen

1 published contract 1 MCP Servers 4 Agent Skills

RailRailcarsFreight Transportation Manufacturing Leasing LogisticsTank CarsGauge TablesAftermarket PartsContent Commerce

Kin Score

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

Composite quality — 26.4/100 · thin

Contract Quality 2.6 / 21

Developer Ergonomics 4.4 / 17

Access Clarity 4.9 / 17

Operational Transparency 0.0 / 11

Contract Governance 3.2 / 10

Discoverability 5.5 / 9

Regulatory Posture 4.4 / 15

Agent readiness — 40/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 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 5 / 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 6 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 6 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 0 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) 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/.

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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
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Typed Event Surface +6 pts — AsyncAPI document, OR webhooks/callbacks objects in the as-published OpenAPI, OR common[].type includes Webhooks
Pagination +5 pts — share of collection GETs (an array, or one wrapped in data/items/results ...) that declare a page/limit/offset/cursor parameter, a Link header or a next/cursor field; na with no collection GETs
Protected Resource Metadata +5 pts — a served /.well-known/oauth-protected-resource carrying `resource` (documented), and naming its authorization_servers (verified)

3 more unmet checks in the Agent Readiness table above.

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

Contract Quality scores 12.4 — up to +21.9 composite points
Developer Ergonomics scores 25.6 — up to +14.9 composite points
Access Clarity scores 28.9 — up to +14.2 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.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/greenbrier-cos/apis.yml: open an issue on github.com/api-evangelist/greenbrier-cos to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Market	Position	Depth	Registered MCP server	Declares compatibility
Rail Sales and Distribution (OSDM, railway union, EU railway licences)	undeclared	-	-	-

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

Standards implemented 2

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

Dynamic Client Registration

measured — observed by APIs.io (published)

OpenAPI

measured — observed by APIs.io (published)

APIs 4

Individual APIs this provider publishes, each with its own machine-readable definition.

Greenbrier Companies Export API

Downloadable Pdf, Csv and Txt renderings of a gauge table.

Greenbrier Companies Gauge Tables API

Innage/outage capacity curves for a specific tank car.

Greenbrier Companies Reporting Marks API

The railcar reporting marks for which Greenbrier holds gauge tables.

Greenbrier Companies Website (WordPress REST)

The public WordPress REST API (wp-json) of the Greenbrier Companies website at www.gbrx.com: the route index of the site's content management system, catalogued as one site surf...

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Greenbrier Companies MCP Server

MCP server; 14 tools listed. A candidate, not confirmed as published by the provider.

MCP SERVER

Agent Skills 4

Packaged agent skills for driving this provider's APIs from an AI assistant.

greenbrier-aftermarket-parts-lookup

AGENT SKILL

greenbrier-press-room-monitor

AGENT SKILL

greenbrier-railcar-catalog-search

AGENT SKILL

greenbrier-tank-car-gauge-table-lookup

AGENT SKILL

Greenbrier Companies API pricing

Pricing Plans 1

Published pricing tiers and plan structures.

Greenbrier Cos Plans Pricing

0 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Greenbrier Cos Rate Limits

0 limits

RATE LIMITS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Greenbrier Companies API Rules

60 rules · 48 errors 10 warnings 2 info

SPECTRAL

OpenAPI Overlays 5

Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.

Greenbrier Cos Gauge Table Api Overlay

5 actions · update · greenbrier-cos-gauge-table-api-openapi.yml

DERIVED

Greenbrier Cos Parts Store Api Overlay

4 actions · update · greenbrier-cos-parts-store-api-openapi.yml

DERIVED

Greenbrier Cos Press Room Api Overlay

4 actions · update · greenbrier-cos-press-room-api-openapi.yml

DERIVED

Greenbrier Cos Railcar Catalog Api Overlay

4 actions · update · greenbrier-cos-railcar-catalog-api-openapi.yml

DERIVED

Greenbrier Cos Site Content Api Overlay

4 actions · update · greenbrier-cos-site-content-api-openapi.yml

DERIVED

Security Posture 2

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

Greenbrier Cos Authentication

0 schemes

SECURITY

Greenbrier Cos Domain Security

TLSv1.2 · HSTS · DNSSEC · DMARC

SECURITY

Press 5

Recent news and press coverage referencing this provider.

The Greenbrier Cos. Inc. Upgraded To 'B+' On Impr

Stock Analysis, Ratings & Investment Research

Rail supplier news from Hitachi Rail and Greenbrier

Greenbrier Cos. Inc Q4 results

Greenbrier Cos. (GBX,N) reports earnings for Qtr to Aug 31

Resources

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

WellKnown

LLMsTxt

MCPServer

AgentSkill

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Conformance

Conformance

Build 1

SDKs, sample code, and the tooling you integrate with

Packages

Packages

Access & Security 2

Authentication, authorization, and security posture

Compliance

Compliance

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Support

Support

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Plans

Plans

Company 3

The organization behind the API

Website

Website

LinkedIn

Blog

Blog

Other 5

Properties that don't map to a standard resource type

Overlay

Overlay

Overlay

Overlay

Overlay

Source (apis.yml)

aid: greenbrier-cos
name: Greenbrier Companies
description: 'The Greenbrier Companies is a leading international supplier of equipment and services to global freight transportation
  markets, designing, building and marketing freight railcars in North America, Europe and South America from its headquarters
  in Lake Oswego, Oregon. Greenbrier also operates railcar leasing and fleet management, wheel services, maintenance and repair,
  marine barge manufacturing in Portland, and participates in the RailPulse railcar-telematics joint venture. Greenbrier publishes
  no developer program, no API portal and no SDKs, and sells no API product. It does, however, operate several real, anonymously
  callable HTTP surfaces on its own hosts: a bespoke JSON API serving certified tank-car gauge tables at tankcar.gbrx.com,
  and the WordPress and WooCommerce Store REST APIs behind www.gbrx.com, which expose the railcar product catalog, the aftermarket
  parts catalog, the press room and site search. Those are catalogued here for discovery; they are not a product Greenbrier
  markets.'
type: Index
deliveryModel:
  model: saas
  open_source: false
  commercial: false
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - authentication
  generated: '2026-09-12'
  method: derived
accessModel:
  pricing: unknown
  onboarding: open
  trial: false
  try_now: false
  public: true
  gated: none
  gated_source:
  - onboarding
  label: Open access
  confidence: medium
  source:
  - authentication
  - rate-limits
  - security
  generated: '2026-11-06'
  method: derived
position: Producing
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/greenbrier-cos.png
tags:
- Rail
- Railcars
- Freight
- Transportation
- Manufacturing
- Leasing
- Logistics
- Tank Cars
- Gauge Tables
- Aftermarket Parts
- Content
- Commerce
created: '2026-03-24'
modified: '2026-09-12'
url: https://raw.githubusercontent.com/api-evangelist/greenbrier-cos/refs/heads/main/apis.yml
specificationVersion: '0.23'
apis:
- aid: greenbrier-cos:greenbrier-cos-export-api
  name: Greenbrier Companies Export API
  description: Downloadable Pdf, Csv and Txt renderings of a gauge table.
  humanURL: https://tankcar.gbrx.com/
  baseURL: https://tankcar.gbrx.com
  tags:
  - Export
  properties:
  - type: OpenAPI
    url: openapi/greenbrier-cos-export-api-openapi.yml
  - type: Authentication
    url: authentication/greenbrier-cos-authentication.yml
  - type: ErrorCatalog
    url: errors/greenbrier-cos-problem-types.yml
  - type: Conventions
    url: conventions/greenbrier-cos-conventions.yml
  - type: DataModel
    url: data-model/greenbrier-cos-data-model.yml
  - type: Conformance
    url: conformance/greenbrier-cos-conformance.yml
  - type: Lifecycle
    url: lifecycle/greenbrier-cos-lifecycle.yml
  - type: RateLimits
    url: rate-limits/greenbrier-cos-rate-limits.yml
- aid: greenbrier-cos:greenbrier-cos-gauge-tables-api
  name: Greenbrier Companies Gauge Tables API
  description: Innage/outage capacity curves for a specific tank car.
  humanURL: https://tankcar.gbrx.com/
  baseURL: https://tankcar.gbrx.com
  tags:
  - Gauge Tables
  properties:
  - type: OpenAPI
    url: openapi/greenbrier-cos-gauge-tables-api-openapi.yml
  - type: Authentication
    url: authentication/greenbrier-cos-authentication.yml
  - type: ErrorCatalog
    url: errors/greenbrier-cos-problem-types.yml
  - type: Conventions
    url: conventions/greenbrier-cos-conventions.yml
  - type: DataModel
    url: data-model/greenbrier-cos-data-model.yml
  - type: Conformance
    url: conformance/greenbrier-cos-conformance.yml
  - type: Lifecycle
    url: lifecycle/greenbrier-cos-lifecycle.yml
  - type: RateLimits
    url: rate-limits/greenbrier-cos-rate-limits.yml
- aid: greenbrier-cos:greenbrier-cos-reporting-marks-api
  name: Greenbrier Companies Reporting Marks API
  description: The railcar reporting marks for which Greenbrier holds gauge tables.
  humanURL: https://tankcar.gbrx.com/
  baseURL: https://tankcar.gbrx.com
  tags:
  - Reporting Marks
  properties:
  - type: OpenAPI
    url: openapi/greenbrier-cos-reporting-marks-api-openapi.yml
  - type: Authentication
    url: authentication/greenbrier-cos-authentication.yml
  - type: ErrorCatalog
    url: errors/greenbrier-cos-problem-types.yml
  - type: Conventions
    url: conventions/greenbrier-cos-conventions.yml
  - type: DataModel
    url: data-model/greenbrier-cos-data-model.yml
  - type: Conformance
    url: conformance/greenbrier-cos-conformance.yml
  - type: Lifecycle
    url: lifecycle/greenbrier-cos-lifecycle.yml
  - type: RateLimits
    url: rate-limits/greenbrier-cos-rate-limits.yml
- aid: greenbrier-cos:gbrx-com-website-wordpress-rest
  name: Greenbrier Companies Website (WordPress REST)
  description: 'The public WordPress REST API (wp-json) of the Greenbrier Companies website at www.gbrx.com: the route index
    of the site''s content management system, catalogued as one site surface rather than as separate APIs.'
  baseURL: https://www.gbrx.com/wp-json
  tags:
  - WordPress
  x-surface: platform-generated
  x-platform: wordpress
  x-platform-surface: rest
  properties:
  - type: Documentation
    url: https://www.gbrx.com/wp-json
common:
- type: Overlay
  url: overlays/greenbrier-cos-gauge-table-api-overlay.yaml
- type: Overlay
  url: overlays/greenbrier-cos-railcar-catalog-api-overlay.yaml
- type: Overlay
  url: overlays/greenbrier-cos-parts-store-api-overlay.yaml
- type: Overlay
  url: overlays/greenbrier-cos-press-room-api-overlay.yaml
- type: Overlay
  url: overlays/greenbrier-cos-site-content-api-overlay.yaml
- type: Website
  name: Greenbrier Website
  description: Official corporate website for The Greenbrier Companies.
  url: https://www.gbrx.com
- type: LinkedIn
  url: https://www.linkedin.com/company/the-greenbrier-companies
- type: Blog
  url: https://www.gbrx.com/feed/
- type: Support
  name: Contact Us
  description: Greenbrier corporate contact form and regional contacts.
  url: https://www.gbrx.com/contact-us/
- type: TermsOfService
  name: Legal & Terms of Use
  url: https://www.gbrx.com/legal/
- type: PrivacyPolicy
  url: https://www.gbrx.com/privacy-policy/
- type: Compliance
  name: Certifications
  description: Greenbrier's published quality, environmental and safety certifications — AAR M-1003, AAR M-1002, ISO 9001:2015,
    ISO 14001:2015, ISO 45001:2018 and TSI Module SD.
  url: https://www.gbrx.com/certifications/
- type: Conformance
  url: conformance/greenbrier-cos-conformance.yml
- type: Packages
  url: packages/greenbrier-cos-packages.yml
- type: WellKnown
  url: well-known/greenbrier-cos-well-known.yml
- type: LLMsTxt
  url: llms/greenbrier-cos-llms.txt
- type: MCPServer
  url: mcp/greenbrier-cos-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Plans
  url: plans/greenbrier-cos-plans-pricing.yml
- type: RateLimits
  url: rate-limits/greenbrier-cos-rate-limits.yml
- type: DomainSecurity
  url: security/greenbrier-cos-domain-security.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-enrichment:
  date: '2026-09-12'
  status: enriched
  artifacts_added: 31
  pass: local-v3

Greenbrier Companies API — frequently asked questions

Does Greenbrier Companies have an API?

Yes. APIs.io lists 4 APIs from Greenbrier Companies, including Greenbrier Companies Export API, Greenbrier Companies Gauge Tables API and Greenbrier Companies Reporting Marks API, and 1 more.

Is there an OpenAPI specification for the Greenbrier Companies API?

Yes. APIs.io indexes 3 OpenAPI specifications for Greenbrier Companies, each linked for download from this page.

How do I authenticate with the Greenbrier Companies API?

Greenbrier Companies documents its authentication (0 schemes). The details are profiled on APIs.io as Greenbrier Cos Authentication.

Does Greenbrier Companies have an MCP server?

Yes. APIs.io lists 1 MCP server for Greenbrier Companies: MCP server; 14 tools listed. A candidate, not confirmed as published by the provider.

Is the Greenbrier Companies API ready for AI agents?

Greenbrier Companies has a Kin Score of 26.4 out of 100 (thin) and an Agent Readiness score of 40.0 (agent-ready), scored by API Evangelist on 2026-11-06.

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