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University of Michigan-Ann Arbor

Deep Blue Documents OAI-PMH

Live OAI-PMH 2.0 metadata harvesting endpoint for Deep Blue Documents, the University of Michigan Library's DSpace institutional repository of articles, dissertations, theses and archival collections. All six protocol verbs were probed live on 2026-08-19 and all returned HTTP 200: Identify, ListMetadataFormats (12 prefixes — oai_dc, qdc, mods, mets, marc, rdf, ore, didl, dim, xoai, etdms, uketd_dc), ListSets (726 sets), ListIdentifiers, ListRecords and GetRecord. Unauthenticated and open. Records go back to 2005-08-29. Protocol errors are returned with HTTP 200 inside the envelope — four error codes (badVerb, badArgument, cannotDisseminateFormat, idDoesNotExist) were reproduced against this host. The University of Michigan does not publish an OpenAPI description of this endpoint; the one in this repo was written by API Evangelist from those probes.

Documentation Provider Profile APIs.io OpenAPI GitHub

Deep Blue Documents OAI-PMH is one of 7 APIs that University of Michigan-Ann Arbor publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 1 JSON Schema definition.

Tagged areas include OAI-PMH, DSpace, Institutional Repository, Metadata, and Library. The published artifact set on APIs.io includes API documentation, an OpenAPI specification, and 1 JSON Schema.

This API exposes 1 operation across 1 path, and defines 7 schemas. It is described by OpenAPI 3.1.0, at version 2.0.

Requests are made against a single base URL, https://backend.production.deepblue-documents.lib.umich.edu/server/oai.

1 operations 1 paths 7 schemas 1 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
2.0
Base URL
https://backend.production.deepblue-documents.lib.umich.edu/server/oai/request
Contact
Deep Blue
License
Open Archives Initiative Protocol for Metadata Harvesting 2.0
Resource Areas
1

Paths & Operations 1

Across 1 path, the API surfaces 1 operation — 1 GET. Each is listed below with its method, path, parameters, and response codes.

Repository 1

Repository-level description and capability discovery.

GET
/request
Issue an OAI-PMH request
oaiRequest 7 params → 200

Schemas 7

The contract defines 7 schemas that model the data the API accepts and returns. The most detailed are OAIPMHEnvelope (9 properties), Identify (8 properties), RecordHeader (4 properties), MetadataFormat (3 properties). Each schema is shown below with its type and property counts.

OAIPMHEnvelope
object
OAI-PMH 2.0 response envelope, namespace http://www.openarchives.org/OAI/2.0/. Exactly one of the verb payloads or error is present alongside responseDate and…
9 properties 2 required
Identify
object
Repository description. Values below are those returned live on 2026-08-19.
8 properties 7 required
MetadataFormat
object
3 properties 3 required
Set
object
2 properties 2 required
RecordHeader
object
4 properties 2 required
Record
object
2 properties 1 required
OAIError
object
Protocol error. Carried inside a 200 response. Only the four codes below were reproduced against this host; the OAI-PMH specification defines others.
2 properties 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

university-of-michigan-ann-arbor-deep-blue-documents-oai-pmh-openapi.yml Raw ↑

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Canvas LMS (U-M tenancy on Instructure)
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#OAI-PMH#DSpace#Institutional Repository#Metadata#Library#Research Data
← Back to D APIs
API Details
ID
university-of-michigan-ann-arbor:deep-blue-documents-oai
Base URL
https://backend.production.deepblue-documents.lib.umich.edu/server/oai/request
Docs
https://www.lib.umich.edu/collections/deep-blue-repositories
Provider
University of Michigan-Ann Arbor
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This is an independent, third-party profile of Deep Blue Documents OAI-PMH, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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