# ENS-PSL Library Catalogue (Koha REST + OAI-PMH)

**Canonical:** https://apis.io/apis/ens-paris/library-catalog/  
**Provider:** École Normale Supérieure de Paris — https://apis.io/providers/ens-paris/  
**Base URL:** https://catalogue.bib.ens.psl.eu/api/v1/  
**Documentation:** https://catalogue.bib.ens.psl.eu/api/v1/.html

ENS-PSL Library Catalogue (Koha REST + OAI-PMH) is one of 3 APIs that [École Normale Supérieure de Paris](https://apis.io/providers/ens-paris/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Library, Library Catalog, Koha, OAI-PMH, and Metadata. The published artifact set on APIs.io includes an API reference and API documentation.

The catalogue of the ten ENS-PSL libraries, hosted at catalogue.bib.ens.psl.eu under the institution's own domain and integrated by BibLibre. Two machine-readable interfaces answer publicly. The Koha REST API v1 serves unauthenticated /api/v1/public/* routes — verified against /api/v1/public/libraries, which returns the real ENS branch records with @ens.psl.eu contact addresses — and browses through a Swagger UI at /api/v1/.html; patron and staff routes require a library credential and no registration path is published. An OAI-PMH 2.0 provider at /cgi-bin/koha/oai.pl identifies as "bibliothèques de l'ENS-PSL" and exposes one set, CATALOGUE. Note the OAI provider advertises a baseURL of /opac/oai.pl which returns 404 from outside; the working base is the cgi-bin path recorded here. The interface contract is Koha's own — an open-source ILS every Koha library ships — so no OpenAPI is stored under this institution; the deployment, the domain and the records are ENS's.

## Machine-readable artifacts (5)

- **LibraryCatalog** — https://catalogue.bib.ens.psl.eu/
- **APIReference** — https://catalogue.bib.ens.psl.eu/api/v1/.html
- **x-oai-pmh** — https://catalogue.bib.ens.psl.eu/cgi-bin/koha/oai.pl?verb=Identify
- **Documentation** — https://bib.ens.psl.eu/
- **Conformance** — https://raw.githubusercontent.com/api-evangelist/ens-paris/refs/heads/main/conformance/ens-paris-conformance.yml

## Other École Normale Supérieure de Paris APIs (2)

- [ENS-PSL Identity Provider (SAML 2.0 / Shibboleth)](https://apis.io/apis/ens-paris/identity-federation/)
- [HAL-ENS Open Archive — ENS-PARIS collection](https://apis.io/apis/ens-paris/hal-ens/)

## Tags

Library, Library Catalog, Koha, OAI-PMH, Metadata

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/ens-paris/library-catalog/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/ens-paris/.