CST Brands

CST Brands was an independent retailer of motor fuels and convenience merchandise headquartered in San Antonio, Texas, operating under the Corner Store and other brands. CST Brands was acquired by Alimentation Couche-Tard in 2017 and integrated into the Circle K convenience store network. The company does not currently expose a public developer API; this repository exists for historical reference and to track any future API artifacts.

CST Brands is profiled on the APIs.io network. Tagged areas include Convenience Retail, Fuel Retail, Acquired, and Historical.

🌐 Visit website 📡 Source on GitHub

4.1/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

0 APIs

Convenience RetailFuel Retail Acquired Historical

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 4.1/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.0 / 20

Access Clarity 0.0 / 20

Operational Transparency 0.0 / 13

Contract Governance 0.0 / 12

Discoverability 4.1 / 10

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 Surface 0 / 5

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/cst-brands: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Press 5

Recent news and press coverage referencing this provider.

Company 3

The organization behind the API

Website

Website

AcquirerWebsite

AcquirerWebsite

BrandWebsite

BrandWebsite

Source (apis.yml)

aid: cst-brands
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/cst-brands.png
url: https://raw.githubusercontent.com/api-evangelist/cst-brands/refs/heads/main/apis.yml
kind: company
name: CST Brands
description: CST Brands was an independent retailer of motor fuels and convenience merchandise headquartered in San Antonio,
  Texas, operating under the Corner Store and other brands. CST Brands was acquired by Alimentation Couche-Tard in 2017 and
  integrated into the Circle K convenience store network. The company does not currently expose a public developer API; this
  repository exists for historical reference and to track any future API artifacts.
tags:
- Convenience Retail
- Fuel Retail
- Acquired
- Historical
specificationVersion: '0.23'
created: '2026-03-24'
modified: '2026-04-28'
apis: []
features:
- name: Acquired Operations
  description: Stores formerly under CST Brands operate as part of Couche-Tard's Circle K network.
useCases:
- name: Historical Reference
  description: Track historical APIs and developer artifacts attributed to the CST Brands corporate entity.
common:
- url: https://www.cst-brands.com
  type: Website
- url: https://corporate.couche-tard.com/
  type: AcquirerWebsite
  name: Alimentation Couche-Tard (Acquirer)
- url: https://www.circlek.com/
  type: BrandWebsite
  name: Circle K (Successor Brand)
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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CST Brands

Kin Score

Press 5

Press Releases

Canada's Couche-Tard to buy Texas-based CST Brands in ...

CST Brands Investor Slams $4.4B Takeover By Couche-Tard

CST Brands Inc. On CreditWatch Negative Following

Couche-Tard Announces Definitive Merger Agreement with ...

Resources