# École Normale Supérieure de Lyon

**Canonical:** https://apis.io/providers/ens-lyon/  
**Website:** https://www.ens-lyon.fr/  
**APIs profiled:** 4

École Normale Supérieure de Lyon (ENS de Lyon) is a French public research and higher-education institution in Lyon, ranked #187 in the QS World University Rankings 2025. Its primary public, machine-readable developer footprint is its open-access institutional repository, HAL-ENS-LYON (ens-lyon.hal.science), which is part of the national HAL (Hyper Articles en Ligne) open archive. That platform exposes the publication metadata of ENS de Lyon through HAL's shared, well-documented APIs — an OAI-PMH endpoint scoped to the ens-lyon collection plus HAL's Search, Reference, and SWORD deposit APIs hosted at api.archives-ouvertes.fr. ENS de Lyon does not publish its own dedicated, branded developer portal; the institutional GitHub organization exists but currently has no public repositories.

## Kin Score — 18.4 / 100 (emerging)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 18.4).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 11.3 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 0.0 |
| Commercial Clarity | 28.9 |
| Access Clarity | 28.9 |

Regulatory layer — **Education & Research**: 20.4 (matched via tags).

## Agent readiness — 3.0 (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 | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Free — onboarding: unknown, pricing: free, trial: no (confidence: medium).

## APIs (4)

- **HAL-ENS-LYON OAI-PMH** — OAI-PMH 2.0 metadata harvesting endpoint scoped to the ENS de Lyon (ens-lyon) collection of the national HAL open archive. Exposes the institution's open-access scholarly public...
- **HAL Search API (ens-lyon collection)** — HAL's Solr-backed REST/Search API for querying publications. Can be scoped to the ENS de Lyon collection (e.g. /search/ens-lyon/) to retrieve ENS de Lyon research output as JSON...
- **HAL Reference (Référentiels) API** — HAL's reference-data API for querying controlled vocabularies and authorities (authors, structures/labs, journals, domains, ANR projects) used across HAL, including ENS de Lyon'...
- **HAL SWORD Deposit API** — HAL's SWORD protocol API for programmatic deposit of documents into HAL, including into the ENS de Lyon collection. Requires authenticated HAL credentials.

## Security (1)

- **Ens Lyon Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Ens Lyon Plans Pricing**

## Tags

Education, Higher Education, University, France, Open Access, Research, Institutional Repository, OAI-PMH

---

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