# Energy Vault

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

Energy Vault Holdings (NYSE: NRGV) is a Swiss-founded, US-headquartered energy storage company delivering grid-scale storage hardware, software, and services worldwide. Its portfolio spans battery energy storage (B-VAULT), gravity-based storage (G-VAULT / EVx), and green-hydrogen storage (H-VAULT), unified by VaultOS, an energy management software platform providing real-time monitoring, operational control, and optimized dispatch across storage and generation assets, alongside Vault Bidder and Vault Manager for market bidding and asset management. The company serves utilities, independent power producers, and large energy users, with more than 1.4 GWh deployed since 2023. Backed by SoftBank Vision Fund, Energy Vault is a frontier-tech company in the API Evangelist network. As of this enrichment pass it publishes no public developer API, developer portal, SDK, or API reference; VaultOS is delivered as a proprietary, deployment-integrated platform rather than a public API product.

## Kin Score — 7.6 / 100 (minimal)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 7.6).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 7.1 |
| Commercial Clarity | 10.5 |
| Access Clarity | 10.5 |

Regulatory layer — **Energy & Utilities**: 13.5 (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)

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

## Tags

Company, Frontier Tech, Energy Storage, Energy Management, Battery Storage, Gravity Storage, Green Hydrogen, Grid Scale, Renewable Energy, VaultOS

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