How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC
Princeton University website screenshot

Princeton University

Princeton University is a private Ivy League research university in Princeton, New Jersey. Its programmable footprint is real but almost entirely the work of one unit — Princeton University Library — and it is one of the few institutions in this cohort that operates its own machine-readable contract rather than a vendor's. The Library publishes an OpenAPI 3.1.1 document for its Allsearch API at allsearch-api.princeton.edu, serves a Swagger UI alongside it, open-sources the application behind it, and runs a family of unauthenticated Blacklight JSON endpoints across the catalog, digital collections, finding aids, maps and the Princeton Data Commons research-data portal. The Art Museum runs a separate open, no-authentication collections API documented in prose on GitHub. Princeton also operates its own Shibboleth identity provider with published SAML 2.0 metadata, an OAI-PMH 2.0 endpoint on Figgy, and DataCite DOI registration under three of its own repository clients. Everything outside the Library is gated: the OIT enterprise gateway at api.princeton.edu runs WSO2 API Manager behind NetID or service-account OAuth2, and the developer portal that used to front it, api-store.princeton.edu, no longer resolves at all. Course, registrar, dining and directory data exist as APIs but are not reachable by anyone without a Princeton credential, so no public course-catalog surface is claimed here. Princeton's teaching and library-discovery layers are vendor tenancies — Canvas and Ex Libris Alma/Primo — and are recorded as relationships, not as Princeton contracts.

agent ready

Real signal across most facets with visible, nameable gaps — the contract exists but is thin, or the portal is good while governance and commercial terms are absent.

Kin Score

API Evangelist profiles Princeton University the way a machine reads it — 46 machine-readable artifacts across 2 APIs, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.

Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Princeton University scores 42.1/100 (developing), with a separate agent-readiness read of 30/100 (agent ready). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.

Kin Score

This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance. Every facet and dimension name is a link: it opens that measurement's page on APIs.io, where the rating runs across the whole catalog — the exact checks that feed it, how every profiled provider distributes on it, and who is at the top of it.

Kin Score Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0
Princeton University Kin Score — API readiness rating by API Evangelist

Put this on your own site. The badge is drawn live from Princeton University's current Kin Score — paste it once and it updates itself every time the score is recomputed. It follows your visitor's light or dark setting, and it links back here so anyone who sees it can read the full breakdown.

<!-- Kin Score · API Evangelist -->
<a href="https://providers.apievangelist.com/providers/princeton/"
   title="Princeton University on API Evangelist — API profile and Kin Score">
  <img src="https://apis.io/badge/princeton.svg"
       alt="Princeton University Kin Score — API readiness rating by API Evangelist" width="150" height="150" loading="lazy">
</a>

More shapes, themes and sizes → · Score as JSON · How badges work

How we profile Princeton University

Each block below is one kind of artifact we hold for Princeton University. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.

APIs 30

Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.

Individual APIs this provider publishes, each with its own machine-readable definition.

Princeton University Art Museum API

Open, REST-style API providing developer access to data about the Princeton University Art Museum and its collections. Four surfaces: objects (with a label-level /tombstone sub-...

Princeton OIT API Gateway

Princeton's Office of Information Technology enterprise API gateway, running WSO2 API Manager. Fronts institutional APIs — ActiveDirectory user and group lookups, PrincetonInfo ...

Princeton University Library Catalog (Orangelight)

Princeton's library catalog at catalog.princeton.edu, a Blacklight application the Library writes and maintains itself as pulibrary/orangelight. Every route answers to a .json s...

PUL Bibliographic Data Web Service (Bibdata)

Princeton University Library's own bibliographic data service at bibdata.princeton.edu. A Rails application (pulibrary/bibdata) that reads from Alma and re-serves bibliographic ...

Figgy Digital Repository — OAI-PMH and IIIF

Figgy is Princeton University Library's Valkyrie-based digital repository backend (pulibrary/figgy). It serves IIIF manifests for digitised material and exposes an OAI-PMH 2.0 m...

Princeton Data Commons — Discovery

Princeton's research data repository, split into pdc_describe for deposit and description and pdc_discovery for the public portal at datacommons.princeton.edu/discovery. Both ar...

DataSpace Institutional Repository — OAI-PMH

DataSpace is Princeton's older DSpace-based institutional repository for theses, dissertations and archived research output, with an OAI-PMH metadata-harvesting endpoint and con...

Princeton University Library Finding Aids (PULFAlight)

Archival finding aids for Princeton's special collections and the Mudd Manuscript Library, served by an ArcLight application the Library maintains as pulibrary/pulfalight. The B...

Princeton University Library Maps and Geospatial Data (PUL Map)

GeoBlacklight application at maps.princeton.edu (pulibrary/pulmap) serving Princeton's geospatial data catalog. The .json surface is anonymously readable and the records follow ...

Digital PUL (DPUL)

Princeton's public digital collections site at dpul.princeton.edu (pulibrary/dpul), the presentation layer over Figgy. Blacklight .json endpoints return collection and item reco...

Princeton Shibboleth Identity Provider — SAML 2.0 Metadata

Princeton's campus identity provider publishes signed SAML 2.0 metadata at idp.princeton.edu/idp/shibboleth. The EntityDescriptor names Princeton University, carries administrat...

Ex Libris Alma / Primo VE — Princeton tenancy (01PRI_INST)

Princeton's library management and discovery layer runs on Ex Libris, with institution code 01PRI_INST: Alma at na05.alma.exlibrisgroup.com and a Primo VE instance at princeton....

Canvas LMS — Princeton tenancy

Princeton's learning management system is Instructure Canvas at princeton.instructure.com. The host is live behind a Cloudflare interstitial (403 to non-browser clients). Any Ca...

Princeton University Article API

The Article API from Princeton University — 1 operation(s) for article.

Princeton University Banner API

The Banner API from Princeton University — 1 operation(s) for banner.

Princeton University Best Bets API

The Best Bets API from Princeton University — 1 operation(s) for best bets.

Princeton University Catalog API

The Catalog API from Princeton University — 1 operation(s) for catalog.

Princeton University Dpul API

The Dpul API from Princeton University — 1 operation(s) for dpul.

Princeton University Findingaids API

The Findingaids API from Princeton University — 1 operation(s) for findingaids.

Princeton University Journals API

The Journals API from Princeton University — 1 operation(s) for journals.

Princeton University Libanswers API

The Libanswers API from Princeton University — 1 operation(s) for libanswers.

Princeton University Libguides API

The Libguides API from Princeton University — 1 operation(s) for libguides.

Princeton University Library Databases API

The Library Databases API from Princeton University — 1 operation(s) for library databases.

Princeton University Library Staff API

The Library Staff API from Princeton University — 1 operation(s) for library staff.

Princeton University Library Website API

The Library Website API from Princeton University — 1 operation(s) for library website.

Princeton University Makers API

Artists, cultural groups and other makers.

Princeton University Objects API

Art objects in the Museum's collection.

Princeton University Packages API

Curated groupings of collection material.

Princeton University Pulmap API

The Pulmap API from Princeton University — 1 operation(s) for pulmap.

Princeton University Search API

Full-text search across all collection data types.

Scroll within the panel for all 30 ·

Pricing Plans 1

Pricing is part of the interface. Machine-readable plans tell you what a tier costs and includes before you commit — one of the things the Kin Score reads for access clarity — renamed from commercial clarity in rubric 0.12, because a free statutory interface has access terms and no commercial ones.

Published pricing tiers and plan structures.

Rate Limits 1

Rate limits are the difference between a demo that works and a production integration that doesn't fall over. Publishing them is an operational-transparency signal — and a hard requirement for any agent that plans its own throughput.

Documented rate limits and quota policies.

Princeton Rate Limits

1 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals let a buyer model the financial operations of an API before it's live. We profile them for the same reason we profile pricing: the money is part of the contract.

Cost, billing, and metering signals for API financial operations.

Semantic Vocabularies 1

JSON-LD contexts give the data shared meaning across APIs. We profile them because semantics are what let a machine reconcile 'customer' here with 'customer' somewhere else.

JSON-LD contexts and semantic vocabularies used across these APIs.

Princeton Context

25 classes · 0 properties

JSON-LD

Spectral Rules 1

Governance rulesets we run against this provider's specs — the automated checks behind parts of the score. Profiling them makes the quality bar explicit and re-runnable, not a matter of opinion.

Princeton University API Rules

9 rules · 2 errors · 7 warnings

SPECTRAL

JSON Schema 3

Standalone JSON Schema definitions describe the data models behind the API. We profile them so the shapes are validatable on their own — useful long after a single request is forgotten.

Standalone JSON Schema definitions for this provider's data models.

Princeton Allsearch error envelope

1 properties

JSON SCHEMA

Princeton Allsearch search response

3 properties

JSON SCHEMA

Examples 5

Real request and response payloads are what turn a spec from abstract into obvious — and they're one of the twelve things an agent needs to call an API correctly on the first try.

Example request and response payloads for these APIs.

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Princeton Authentication

none/oauth2/saml · 4 schemes

SECURITY

Princeton Domain Security

TLSv1.3 · DMARC

SECURITY

Scopes 1

OAuth scopes are the vocabulary of least-privilege access. Profiling them shows exactly what an integration — or an agent acting on a user's behalf — is allowed to do.

OAuth scopes governing access to this provider's APIs.

Princeton Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Resources

Every other property we hold for Princeton University — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.

Documentation 1

Reference material describing how the API behaves

Access & Security 3

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

← All providers · Data indexed from github.com/api-evangelist/princeton · machine-readable index on apis.io

Where this information came from

This is an independent, third-party profile of Princeton University, 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.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.