DFN-AAI Identity Federation — University of Bonn Shibboleth IdP

The University of Bonn operates its own SAML 2.0 / Shibboleth Identity Provider and publishes signed metadata from its own host — https://shibboleth.uni-bonn.de/idp/shibboleth returned 200 application/xml, 12,145 bytes, on 2026-09-01, entityID https://shibboleth.uni-bonn.de/idp/shibboleth, OrganizationName "Rheinische Friedrich-Wilhelms-Universitaet Bonn". The same entity is registered in DFN-AAI, the German national research-and-education identity federation: the 112,936,662-byte aggregate at https://mdq.aai.dfn.de/entities/ carries 11,457 EntityDescriptors and exactly ONE uni-bonn.de entity — this IdP — with registrationAuthority https://www.aai.dfn.de, mdui:DisplayName "Universitaet Bonn", shibmd:Scope uni-bonn.de, entity attributes DFN-AAI-IdP and http://aai.dfn.de/category/idm.nrw-member, and a valid XML signature. Per-entity MDQ lookup answers 200 application/samlmetadata+xml. SSO is bound over HTTP-POST, HTTP-POST-SimpleSign and HTTP-Redirect; SLO adds SOAP; an ArtifactResolutionService runs on port 8443. This is the strongest institution-operated machine-readable surface Bonn has and it was absent from the June 2026 profile.

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/dfn-aai-idp"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑
aid: university-of-bonn:dfn-aai-idp
name: DFN-AAI Identity Federation — University of Bonn Shibboleth IdP
x-operator: federation
x-operator-basis: A federation is shared by definition; the IdP entity, its scope and its keys are the
  institution's. DFN-AAI's own metadata service is not saved as Bonn's contract.
description: 'The University of Bonn operates its own SAML 2.0 / Shibboleth Identity Provider and publishes
  signed metadata from its own host — https://shibboleth.uni-bonn.de/idp/shibboleth returned 200 application/xml,
  12,145 bytes, on 2026-09-01, entityID https://shibboleth.uni-bonn.de/idp/shibboleth, OrganizationName
  "Rheinische Friedrich-Wilhelms-Universitaet Bonn". The same entity is registered in DFN-AAI, the German
  national research-and-education identity federation: the 112,936,662-byte aggregate at https://mdq.aai.dfn.de/entities/
  carries 11,457 EntityDescriptors and exactly ONE uni-bonn.de entity — this IdP — with registrationAuthority
  https://www.aai.dfn.de, mdui:DisplayName "Universitaet Bonn", shibmd:Scope uni-bonn.de, entity attributes
  DFN-AAI-IdP and http://aai.dfn.de/category/idm.nrw-member, and a valid XML signature. Per-entity MDQ
  lookup answers 200 application/samlmetadata+xml. SSO is bound over HTTP-POST, HTTP-POST-SimpleSign and
  HTTP-Redirect; SLO adds SOAP; an ArtifactResolutionService runs on port 8443. This is the strongest
  institution-operated machine-readable surface Bonn has and it was absent from the June 2026 profile.'
humanURL: https://www.aai.dfn.de/
baseURL: https://shibboleth.uni-bonn.de/idp/shibboleth
tags:
- Identity Federation
- Shibboleth
- SAML
- DFN-AAI
- Single Sign-On
- Metadata
properties:
- type: BaseURL
  url: https://shibboleth.uni-bonn.de/idp/shibboleth
- type: Documentation
  url: https://doku.tid.dfn.de/de:aai:start
- type: Metadata
  url: https://mdq.aai.dfn.de/entities/https%3A%2F%2Fshibboleth.uni-bonn.de%2Fidp%2Fshibboleth