Westlake Chemical

Westlake Chemical (now Westlake Corporation) is a global manufacturer and supplier of petrochemicals, polymers, building products, and specialty chemicals. The company produces ethylene, polyethylene, PVC, chlor-alkali, epoxy resins, and fabricated building products serving packaging, healthcare, automotive, consumer goods, and construction markets worldwide.

Westlake Chemical is profiled on the APIs.io network. Tagged areas include Chemicals, Petrochemicals, Polymers, Manufacturing, and Building Products.

Westlake Chemical’s developer surface includes developer portal, pricing, engineering blog, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub

15.3/100 emerging ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs 5 Features 4 Use Cases

ChemicalsPetrochemicalsPolymersManufacturingBuilding Products

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 15.3/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 2.2 / 20

Commercial Clarity 6.3 / 20

Operational Transparency 0.0 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

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Features 5

Notable capabilities this provider offers.

Petrochemicals

Production of ethylene, polyethylene, and chlor-alkali products for industrial and consumer markets globally.

Specialty Chemicals

Epoxy resins and composites for high-performance applications in electronics, aerospace, and infrastructure.

Building Products

PVC pipe and fittings, vinyl siding, windows, and related infrastructure products for construction markets.

Polymers

PVC, vinyl chloride monomer, and recycled plastic materials for packaging, healthcare, and automotive industries.

Global Distribution

Manufacturing facilities and distribution networks across North America, Europe, and Asia supporting global supply chains.

Security Posture 1

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

Westlake Chemical Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Use Cases 4

What developers build with this provider.

Packaging Materials

Supply of polyethylene and PVC resins for flexible and rigid packaging applications in food, beverage, and consumer goods.

Construction Materials

PVC pipe systems, vinyl building products, and composites for residential and commercial construction projects.

Healthcare Products

Medical-grade PVC and specialty polymers for tubing, bags, and devices used in healthcare settings.

Automotive Components

Engineered polymers and epoxy composites for lightweight automotive parts and structural components.

Integrations 2

Pre-built integrations with other platforms and tools.

SAP ERP

Enterprise resource planning integration for supply chain management, order processing, and procurement workflows.

EDI Trading Partners

Electronic Data Interchange connectivity for B2B order management and supplier/customer transaction processing.

Press 5

Recent news and press coverage referencing this provider.

Get Started 1

Portal, sign-up, and the first successful call

Portal

Portal

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 3

The organization behind the API

Website

Website

Blog

Blog

LinkedIn

Source (apis.yml)

aid: westlake-chemical
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/westlake-chemical.png
url: https://raw.githubusercontent.com/api-evangelist/westlake-chemical/refs/heads/main/apis.yml
name: Westlake Chemical
description: Westlake Chemical (now Westlake Corporation) is a global manufacturer and supplier of petrochemicals, polymers,
  building products, and specialty chemicals. The company produces ethylene, polyethylene, PVC, chlor-alkali, epoxy resins,
  and fabricated building products serving packaging, healthcare, automotive, consumer goods, and construction markets worldwide.
tags:
- Chemicals
- Petrochemicals
- Polymers
- Manufacturing
- Building Products
created: '2026-03-24'
modified: '2026-05-03'
apis: []
common:
- type: DomainSecurity
  url: security/westlake-chemical-domain-security.yml
- type: Website
  url: https://www.westlake.com
- type: Portal
  url: https://www.westlake.com/products
- type: Pricing
  url: https://www.westlake.com/contact
- type: Blog
  url: https://www.westlake.com/news
- type: LinkedIn
  url: https://www.linkedin.com/company/westlake-corporation
- type: TermsOfService
  url: https://www.westlake.com/legal
- type: PrivacyPolicy
  url: https://www.westlake.com/privacy-policy
- type: Features
  data:
  - name: Petrochemicals
    description: Production of ethylene, polyethylene, and chlor-alkali products for industrial and consumer markets globally.
  - name: Specialty Chemicals
    description: Epoxy resins and composites for high-performance applications in electronics, aerospace, and infrastructure.
  - name: Building Products
    description: PVC pipe and fittings, vinyl siding, windows, and related infrastructure products for construction markets.
  - name: Polymers
    description: PVC, vinyl chloride monomer, and recycled plastic materials for packaging, healthcare, and automotive industries.
  - name: Global Distribution
    description: Manufacturing facilities and distribution networks across North America, Europe, and Asia supporting global
      supply chains.
- type: UseCases
  data:
  - name: Packaging Materials
    description: Supply of polyethylene and PVC resins for flexible and rigid packaging applications in food, beverage, and
      consumer goods.
  - name: Construction Materials
    description: PVC pipe systems, vinyl building products, and composites for residential and commercial construction projects.
  - name: Healthcare Products
    description: Medical-grade PVC and specialty polymers for tubing, bags, and devices used in healthcare settings.
  - name: Automotive Components
    description: Engineered polymers and epoxy composites for lightweight automotive parts and structural components.
- type: Integrations
  data:
  - name: SAP ERP
    description: Enterprise resource planning integration for supply chain management, order processing, and procurement workflows.
  - name: EDI Trading Partners
    description: Electronic Data Interchange connectivity for B2B order management and supplier/customer transaction processing.
maintainers:
- FN: API Evangelist
  email: info@apievangelist.com
specificationVersion: '0.19'