# Granite Construction

**Canonical:** https://apis.io/providers/granite-construction/  
**Website:** https://www.graniteconstruction.com/  
**APIs profiled:** 0

Granite Construction is one of the largest diversified heavy civil contractors and construction materials producers in the United States, with operations spanning transportation infrastructure, water infrastructure, mineral exploration, and aggregate materials.

## Kin Score — 5.5 / 100 (minimal)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 5.5).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 2.4 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

## 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)

- **Granite Construction Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Tags

Aggregates, Civil Engineering, Construction, Heavy Civil, Infrastructure, Materials, Transportation, Water Infrastructure, Fortune 1000

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