# ETDA OAI-PMH Provider

**Canonical:** https://apis.io/apis/pennsylvania-state-university/etda-oai-pmh/  
**Provider:** Pennsylvania State University — https://apis.io/providers/pennsylvania-state-university/  
**Base URL:** https://etda.libraries.psu.edu/catalog/oai  
**Documentation:** https://etda.libraries.psu.edu/

ETDA OAI-PMH Provider is one of 9 APIs that [Pennsylvania State University](https://apis.io/providers/pennsylvania-state-university/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include OAI-PMH, Theses, Research, Library, and Open Access. The published artifact set on APIs.io includes API documentation.

An open OAI-PMH 2.0 harvesting endpoint over Penn State's Electronic Theses and Dissertations Archive, served by the Libraries' own etda_explore application on a psu.edu host. Identify reports repositoryName Penn_State_University, adminEmail askalibrarian@psu.edu and an earliest datestamp of 1999-04-07; oai_dc is the supported metadata format and the repository declares no set hierarchy. No credential, no registration — the one Penn State surface an outside machine can harvest today without asking anyone.

## Machine-readable artifacts (4)

- **Documentation** — https://etda.libraries.psu.edu/
- **x-examples** — https://raw.githubusercontent.com/api-evangelist/pennsylvania-state-university/refs/heads/main/examples/pennsylvania-state-university-etda-oai-identify-example.xml
- **GitHub** — https://github.com/psu-libraries/etda_explore
- **Conformance** — https://raw.githubusercontent.com/api-evangelist/pennsylvania-state-university/refs/heads/main/conformance/pennsylvania-state-university-conformance.yml

## Other Pennsylvania State University APIs (8)

- [Researcher Metadata Database (RMD) API](https://apis.io/apis/pennsylvania-state-university/rmd/)
- [ScholarSphere API](https://apis.io/apis/pennsylvania-state-university/scholarsphere/)
- [Penn State Identity Federation (InCommon / Shibboleth)](https://apis.io/apis/pennsylvania-state-university/identity-federation/)
- [Pennsylvania State University Buildings API](https://apis.io/apis/pennsylvania-state-university/pennsylvania-state-university-buildings-api/)
- [Pennsylvania State University Campuses API](https://apis.io/apis/pennsylvania-state-university/pennsylvania-state-university-campuses-api/)
- [Pennsylvania State University Events API](https://apis.io/apis/pennsylvania-state-university/pennsylvania-state-university-events-api/)
- [Pennsylvania State University Health API](https://apis.io/apis/pennsylvania-state-university/pennsylvania-state-university-health-api/)
- [Pennsylvania State University Rooms API](https://apis.io/apis/pennsylvania-state-university/pennsylvania-state-university-rooms-api/)

## Tags

OAI-PMH, Theses, Research, Library, Open Access

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/pennsylvania-state-university/etda-oai-pmh/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/pennsylvania-state-university/.