# Chesapeake Energy

**Canonical:** https://apis.io/providers/chesapeake-energy/  
**Website:** https://www.chk.com  
**APIs profiled:** 0

Chesapeake Energy Corporation was an independent oil and natural gas exploration and production company headquartered in Oklahoma City, Oklahoma, focused on unconventional natural gas and oil fields onshore in the United States. In October 2024, Chesapeake combined with Southwestern Energy to form Expand Energy Corporation, which now operates as the largest natural gas producer in the United States. Chesapeake Energy does not currently expose a public developer API; royalty owners and partners interact through the Owner Online Accounts portal, and investors are served via the Expand Energy investor relations site.

## Kin Score — 3.3 / 100 (minimal)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 3.3).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 0.0 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Energy & Utilities**: 8.1 (matched via tags).

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Chesapeake Energy Domain Security** — TLSv1.3 · DMARC

## Use cases (5)

- **Domestic Natural Gas Supply**
- **LNG Feedgas Supply**
- **Power Generation Fuel Supply**
- **Oil and NGL Production**
- **Royalty Owner Servicing**

## Tags

Energy, Expand Energy, Exploration, Marcellus, Natural Gas, Natural Gas Liquids, Oil, Oklahoma City, Production, Unconventional, Fortune 500

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/chesapeake-energy/). Scores are computed from the provider's own public artifacts under a published rubric.