# Southwestern Energy

**Canonical:** https://apis.io/providers/southwestern-energy/  
**Website:** https://www.swn.com  
**APIs profiled:** 2

Southwestern Energy Company (SWN) is one of the largest producers of natural gas in the United States, with exploration and production operations focused primarily on the Marcellus and Haynesville shales. In October 2024, Southwestern Energy completed a merger with Expand Energy Corporation (formerly Chesapeake Energy), though the SWN brand and investor relations infrastructure continues to operate under swn.com. As a Fortune 500 energy company, SWN focuses on responsible development of natural gas resources in the Appalachian Basin and Gulf Coast regions.

## Kin Score — 16.8 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 16.8).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 22.7 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 13.2 |
| Access Clarity | 13.2 |

Regulatory layer — **Energy & Utilities**: 14.9 (matched via tags).

## Agent readiness — 2.5 (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 | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Enterprise — onboarding: unknown, pricing: enterprise, trial: no (confidence: medium).

## APIs (2)

- **Southwestern Energy Investor Relations API** — The Southwestern Energy investor relations portal provides financial data, shareholder information, earnings summaries, SEC filings, and corporate governance information. The in...
- **Expand Energy Investor Relations API** — Following the merger, Expand Energy Corporation's investor relations portal provides access to combined company financial data, earnings releases, SEC filings, and investor pres...

## Security (1)

- **Southwestern Energy Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Southwestern Energy Plans Pricing**

## Tags

Fortune 500, Natural Gas, Energy, Oil and Gas

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