# CaltechDATA OAI-PMH

**Canonical:** https://apis.io/apis/caltech/caltechdata-oai/  
**Provider:** California Institute of Technology — https://apis.io/providers/caltech/  
**Base URL:** https://data.caltech.edu/oai2d  
**Documentation:** https://data.caltech.edu/

CaltechDATA OAI-PMH is one of 11 APIs that [California Institute of Technology](https://apis.io/providers/caltech/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Research Data, OAI-PMH, Metadata, Harvesting, and DataCite. The published artifact set on APIs.io includes API documentation.

OAI-PMH 2.0 metadata harvesting endpoint for CaltechDATA. Verified live 2026-08-19 via the Identify verb (repositoryName CaltechDATA, protocolVersion 2.0) and via ListMetadataFormats, which advertises oai_dc, dcat, marc21, marcxml, datacite, oai_datacite, datacite4 and oai_datacite4.

## Machine-readable artifacts (2)

- **Conformance** — https://raw.githubusercontent.com/api-evangelist/caltech/refs/heads/main/conformance/caltech-education-standards.yml
- **Documentation** — https://data.caltech.edu/

## Other California Institute of Technology APIs (10)

- [CaltechDATA REST API](https://apis.io/apis/caltech/caltechdata-rest/)
- [CaltechAUTHORS REST API and OAI-PMH](https://apis.io/apis/caltech/caltechauthors/)
- [Caltech Library Feeds](https://apis.io/apis/caltech/library-feeds/)
- [SCEDC FDSN Web Services](https://apis.io/apis/caltech/scedc-fdsn/)
- [IRSA Virtual Observatory APIs (Caltech/IPAC)](https://apis.io/apis/caltech/irsa-vo/)
- [NED Table Access Protocol (Caltech/IPAC)](https://apis.io/apis/caltech/ned-tap/)
- [NASA Exoplanet Archive TAP (Caltech/IPAC)](https://apis.io/apis/caltech/exoplanet-archive-tap/)
- [Caltech Shibboleth Identity Provider (InCommon)](https://apis.io/apis/caltech/identity-federation/)
- [Caltech Library Guides (Springshare tenancy)](https://apis.io/apis/caltech/libguides-springshare/)
- [EBSCO Link Resolver (Caltech instance)](https://apis.io/apis/caltech/ebsco-resolver/)

## Tags

Research Data, OAI-PMH, Metadata, Harvesting, DataCite, Open Data

---

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