The Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH) is a low-barrier mechanism for repository interoperability. Data Providers are repositories that expose structured metadata via OAI-PMH. Service Providers then make OAI-PMH service requests to harvest that metadata. OAI-PMH is a set of six verbs or services that are invoked within HTTP.
Cite this article as: OAResources, "OAI-PMH," in Open Access Resources, September 27, 2018, https://oaresources.org/resources/oai-pmh/.