# FoodData Central

**Canonical:** https://apis.io/providers/fooddata-central/  
**Website:** https://fdc.nal.usda.gov/  
**APIs profiled:** 2

National Nutrient Database for Standard Reference

## Kin Score — 45.3 / 100 (developing)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 45.3).

| Facet | Score |
|---|---|
| Discoverability | 57.4 |
| Contract Quality | 60.5 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 47.4 |
| Developer Ergonomics | 31.0 |
| Commercial Clarity | 52.6 |
| Access Clarity | 52.6 |

Regulatory layer — **Health**: 21.3 (matched via tags).

## Agent readiness — 22.3 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | partial |
| 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

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (2)

- **FoodData Central** — National Nutrient Database for Standard Reference
- **FoodData Central FDC API** — endpoints to retrieve nutrient data

## Agentic access (1)

- **Fooddata Central Agentic Access** — 9 operations · 3 acting

## Security (2)

- **Fooddata Central Authentication** — apiKey · 1 scheme
- **Fooddata Central Domain Security** — TLSv1.2 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Fooddata Central Plans Pricing**

## Tags

Health, Public APIs

---

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