# Southwest Gas

**Canonical:** https://apis.io/providers/southwest-gas/  
**Website:** https://www.swgas.com  
**APIs profiled:** 2

Southwest Gas Holdings is a natural gas distribution company that purchases, distributes, and transports natural gas for customers in Arizona, Nevada, and California. As a Fortune 1000 utility company headquartered in Las Vegas, Nevada, Southwest Gas serves over 2 million customers through its regulated utility segment and also operates Centuri Group, a full-service utility infrastructure services company.

## Kin Score — 18.6 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 18.6).

| Facet | Score |
|---|---|
| Discoverability | 59.3 |
| Contract Quality | 28.0 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 5.3 |
| Developer Ergonomics | 0.0 |
| 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)

- **Southwest Gas My Account API** — The Southwest Gas My Account API powers the online customer portal and mobile application for natural gas utility customers in Arizona, Nevada, and California. Customers can vie...
- **Southwest Gas Agency Portal API** — The Southwest Gas Agency Portal provides access for charitable organizations and assistance agencies to look up customer accounts and submit utility assistance pledges on behalf...

## Security (1)

- **Southwest Gas Domain Security** — TLSv1.2 · HSTS · DMARC

## Plans (1)

- **Southwest Gas Plans Pricing**

## Tags

Fortune 1000, Natural Gas, Utility, Energy

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