# National Cancer Institute

**Canonical:** https://apis.io/providers/national-cancer-institute/  
**Website:** https://www.cancer.gov/  
**APIs profiled:** 4

The National Cancer Institute (NCI) is the federal government's principal agency for cancer research and training, part of the National Institutes of Health. NCI provides data and APIs for cancer genomics, clinical trials, and drug information.

## Kin Score — 30.8 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 30.8).

| Facet | Score |
|---|---|
| Discoverability | 72.2 |
| Contract Quality | 53.8 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 31.0 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

Regulatory layer — **Health**: 15.0 (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

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

## APIs (4)

- **National Cancer Institute Download API** — The Download API from National Cancer Institute — 3 operation(s) for download.
- **National Cancer Institute Search API** — The Search API from National Cancer Institute — 7 operation(s) for search.
- **National Cancer Institute Status API** — The Status API from National Cancer Institute — 1 operation(s) for status.
- **National Cancer Institute Submission API** — The Submission API from National Cancer Institute — 1 operation(s) for submission.

## Agentic access (1)

- **National Cancer Institute Agentic Access** — 12 operations

## Security (2)

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

## Plans (1)

- **National Cancer Institute Plans Pricing**

## Tags

Cancer, Federal-Government, Health, Research

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