W. W. Grainger website screenshot

W. W. Grainger

W. W. Grainger, Inc. (NYSE: GWW) is a Fortune 500 broad-line distributor of maintenance, repair and operating (MRO) products serving businesses and institutions across North America, Japan and the United Kingdom through roughly 331 branches, 34 distribution centers and its digital channels. Its system-to-system commerce runs through eProcurement rather than a public developer program: PunchOut catalogs into Ariba, Coupa, Jaggaer, SAP, Oracle and GHX, ANSI ASC X12 4010 EDI for purchase orders, acknowledgments, ship notices and invoices, and the KeepStock inventory-management program. Grainger operates an API gateway at api.grainger.com, but its Swagger surface answers anonymous callers with an ACCESS DENIED page requiring the Grainger corporate network, and integration credentials are issued only by a Grainger account representative, so no public API contract or reference is available to evaluate.

W. W. Grainger is profiled on the APIs.io network. Tagged areas include Fortune 500, Industrial Supply, MRO, Distribution, and B2B eCommerce.

8.3/100 minimal ▬ flat Agent 3/100 human only saas Full breakdown ↓
scored 2026-09-14 · rubric v0.22.0
0 APIs
Fortune 500Industrial SupplyMRODistributionB2B eCommerceProcurementSupply ChainEDI

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-09-14 · rubric v0.22.0
Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.
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 github.com/api-evangelist/ww-grainger: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Ww Grainger Rate Limits

0 limits

RATE LIMITS

Security Posture 1

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

Ww Grainger Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Press 5

Recent news and press coverage referencing this provider.

Updated March 2025 - Investor Presentation

2026-05-25

GRAINGER REPORTS RESULTS FOR THE FIRST QUARTER ...

2026-05-25

GRAINGER REPORTS RESULTS FOR THE SECOND ...

2026-05-25

GRAINGER REPORTS RESULTS FOR THE THIRD ...

2026-05-25

Grainger expands AI in sales, marketing, and KeepStock ...

2026-05-25

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 1

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 1

Pricing, plans, and the legal terms of use

Company 1

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: ww-grainger
name: W. W. Grainger
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
specificationVersion: '0.23'
accessModel:
  pricing: unknown
  onboarding: sales
  trial: false
  try_now: false
  public: false
  label: Gated
  confidence: medium
  source:
  - https://api.grainger.com/swagger.json
  - https://success.procurify.com/en/articles/9001922-grainger-punchout-overview
  generated: '2026-08-28'
  method: probed
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/ww-grainger.png
tags:
- Fortune 500
- Industrial Supply
- MRO
- Distribution
- B2B eCommerce
- Procurement
- Supply Chain
- EDI
url: ''
x-api-posture: no-product-api
x-api-posture-basis: observed https://raw.githubusercontent.com/api-evangelist/ww-grainger/refs/heads/main/apis.yml
created: '2026-03-21'
modified: '2026-08-28'
maintainers:
- FN: API Evangelist
  email: info@apievangelist.com
apis: []
common:
- type: DomainSecurity
  url: security/ww-grainger-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/wwgrainger
- type: Website
  url: https://www.grainger.com
- type: Conformance
  url: conformance/ww-grainger-conformance.yml
- type: LLMsTxt
  url: llms/ww-grainger-llms.txt
- type: Plans
  url: plans/ww-grainger-plans-pricing.yml
- type: RateLimits
  url: rate-limits/ww-grainger-rate-limits.yml
description: 'W. W. Grainger, Inc. (NYSE: GWW) is a Fortune 500 broad-line distributor of maintenance, repair and operating
  (MRO) products serving businesses and institutions across North America, Japan and the United Kingdom through roughly 331
  branches, 34 distribution centers and its digital channels. Its system-to-system commerce runs through eProcurement rather
  than a public developer program: PunchOut catalogs into Ariba, Coupa, Jaggaer, SAP, Oracle and GHX, ANSI ASC X12 4010 EDI
  for purchase orders, acknowledgments, ship notices and invoices, and the KeepStock inventory-management program. Grainger
  operates an API gateway at api.grainger.com, but its Swagger surface answers anonymous callers with an ACCESS DENIED page
  requiring the Grainger corporate network, and integration credentials are issued only by a Grainger account representative,
  so no public API contract or reference is available to evaluate.'
x-enrichment:
  date: '2026-08-28'
  status: minimal
  artifacts_added: 6
  pass: local-v1
x-coverage:
  state: gated
  reason: customer-only-docs
  detail: Grainger runs a live API gateway at api.grainger.com whose only routed documentation path, /swagger.json, answers
    anonymous callers with HTTP 503 "ACCESS DENIED - Log onto the Grainger Network ... through a secure VPN connection", and
    its eProcurement PunchOut and X12 4010 EDI credentials are issued only by a Grainger account representative over a stated
    4-6 week onboarding, so no contract or reference exists outside an active customer agreement.
  evidence:
  - url: https://api.grainger.com/swagger.json
    status: 503
  - url: https://api.grainger.com/swagger-ui.html
    status: 503
  - url: https://api.grainger.com/openapi.json
    status: 404
  - url: https://api.grainger.com/.well-known/api-catalog
    status: 404
  - url: https://success.procurify.com/en/articles/9001922-grainger-punchout-overview
    status: 200
  checked: '2026-08-28'

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