Crestwood Equity Partners

Crestwood Equity Partners LP was a master limited partnership that owned and operated midstream energy assets across the United States, including natural gas, NGL, and crude oil gathering, processing, storage, and transportation businesses. Crestwood was acquired by Energy Transfer LP in November 2023, with Crestwood common and preferred units ceasing trading on the NYSE on November 3, 2023; ongoing operations and partner contracts have been integrated into Energy Transfer's pipeline and midstream network. Crestwood does not publish a public developer API program; technical interfaces such as nominations, scheduling, and capacity portals are now handled through Energy Transfer's commercial systems.

Crestwood Equity Partners is profiled on the APIs.io network. Tagged areas include Acquired, Crude Oil, Energy, Energy Transfer, and Gathering.

🌐 Visit website 📡 Source on GitHub

3.3/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

0 APIs

Acquired Crude Oil EnergyEnergy TransferGatheringMidstream Natural Gas NGL Pipelines Processing Storage Transportation

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 3.3/100 · minimal

Contract Quality 0.0 / 21

Developer Ergonomics 0.0 / 17

Access Clarity 0.0 / 17

Operational Transparency 0.0 / 11

Contract Governance 0.0 / 10

Discoverability 4.3 / 9

Regulatory Posture 1.2 / 15

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

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

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

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 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.

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/.

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/crestwood-equity-partners: 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 →

Security Posture 1

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

Crestwood Equity Partners Domain Security

DMARC

SECURITY

Press 5

Recent news and press coverage referencing this provider.

First Reserve Exits Investment in Crestwood Equity ...

2026-05-25

Nic O'Brien | People

2026-05-25

MLP M&A Continues: ET to Acquire CEQP

2026-05-25

XBRL Viewer

2026-05-25

Crestwood Equity Expands Footprint in Bakken, Powder ...

2026-05-25

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 3

The organization behind the API

LinkedIn

Website

Website

InvestorRelations

InvestorRelations

Other 4

Properties that don't map to a standard resource type

ParentCompany

ParentCompany

AcquisitionAnnouncement

AcquisitionAnnouncement

ContractPartiesNotice

ContractPartiesNotice

Wikipedia

Wikipedia

Source (apis.yml)

aid: crestwood-equity-partners
name: Crestwood Equity Partners
kind: company
description: Crestwood Equity Partners LP was a master limited partnership that owned and operated midstream energy assets
  across the United States, including natural gas, NGL, and crude oil gathering, processing, storage, and transportation businesses.
  Crestwood was acquired by Energy Transfer LP in November 2023, with Crestwood common and preferred units ceasing trading
  on the NYSE on November 3, 2023; ongoing operations and partner contracts have been integrated into Energy Transfer's pipeline
  and midstream network. Crestwood does not publish a public developer API program; technical interfaces such as nominations,
  scheduling, and capacity portals are now handled through Energy Transfer's commercial systems.
url: https://raw.githubusercontent.com/api-evangelist/crestwood-equity-partners/refs/heads/main/apis.yml
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:
  - none
  generated: '2026-08-28'
  method: derived
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/crestwood-equity-partners.png
tags:
- Acquired
- Crude Oil
- Energy
- Energy Transfer
- Gathering
- Midstream
- Natural Gas
- NGL
- Pipelines
- Processing
- Storage
- Transportation
created: '2025-03-01'
modified: '2026-04-28'
specificationVersion: '0.23'
type: Index
access: Private
position: Consuming
apis: []
common:
- type: DomainSecurity
  url: security/crestwood-equity-partners-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/crestwood-midstream-partners-lp
- type: Website
  url: https://www.crestwoodlp.com/
- type: ParentCompany
  url: https://www.energytransfer.com/
- type: AcquisitionAnnouncement
  url: https://ir.energytransfer.com/news-releases/news-release-details/energy-transfer-completes-acquisition-crestwood
- type: ContractPartiesNotice
  url: https://www.energytransfer.com/wp-content/uploads/2024/02/Crestwood-Acquisition-Notice-Arrow.pdf
- type: InvestorRelations
  url: https://ir.energytransfer.com/
- type: Wikipedia
  url: https://en.wikipedia.org/wiki/Energy_Transfer_Partners
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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