# National Institute of Standards and Technology (NIST)

**Canonical:** https://apis.io/providers/nist/  
**APIs profiled:** 5

APIs provided by the National Institute of Standards and Technology for accessing scientific and technical data, standards, and research information including vulnerability databases, chemistry data, and time services.

## Kin Score — 27.1 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 27.1).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 55.9 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 14.3 |
| Commercial Clarity | 13.2 |
| Access Clarity | 13.2 |

Regulatory layer — **Government & Public Sector**: 22.2 (matched via tags).

## Agent readiness — 34.7 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | na |
| 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 | na |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: high).

## APIs (5)

- **NIST Chemistry WebBook API** — Access to chemical and physical property data for thousands of chemical species.
- **NIST Data Gateway** — Provides access to NIST's scientific and technical databases across multiple domains.
- **NIST Time API** — Provides access to official NIST time services for time synchronization.
- **National Institute of Standards and Technology (NIST) Cvehistory API** — The Cvehistory API from National Institute of Standards and Technology (NIST) — 1 operation(s) for cvehistory.
- **National Institute of Standards and Technology (NIST) Cves API** — The Cves API from National Institute of Standards and Technology (NIST) — 1 operation(s) for cves.

## Agentic access (1)

- **Nist Agentic Access** — 2 operations

## Security (2)

- **Nist Authentication** — apiKey · 1 scheme
- **Nist Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Nist Plans Pricing**

## Tags

Cybersecurity, Government, Measurements, Research, Scientific Data, Standards

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