canonical · 2.2 market industry

Library

Score 31.0 / 100 178 providers 191 APIs Search apis.io →
Variants seen in the corpus: Librarylibrary

Providers using this tag (178)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Strong 6 Solid coverage with minor gaps
GongSalesRevenue IntelligenceConversationAnalytics26 APIs66.4Last.fmMusicAudioScrobblingRecommendations9 APIs63.7Delft University of TechnologyUniversityHigher EducationEducationTechnical University3 APIs62.4Fasten HealthHealthcareFHIRPersonal Health RecordElectronic Medical Record11 APIs59.2University of Michigan-Ann ArborUniversityHigher EducationEducationPublic Research University7 APIs57.9PlexCompanyMediaStreamingVideo31 APIs55.3
Developing 37 Usable, with meaningful gaps to close
Microsoft Azure Active DirectoryAuthenticationAuthorizationIdentityMicrosoft12 APIs52.8Azure Synapse AnalyticsAnalyticsApache SparkBig DataData Integration35 APIs52.6CubeCompanyFP&AFinancial PlanningFinance42 APIs52.5HR PartnerHRHRISHuman ResourcesEmployee Records31 APIs51.7University of California, San DiegoEducationHigher EducationUniversityPublic Research University12 APIs51.0Stanford UniversityUniversityHigher EducationEducationResearch15 APIs50.5University of California, Los AngelesUniversityHigher EducationEducationUnited States12 APIs49.7University of Illinois Urbana-ChampaignUniversityHigher EducationEducationPublic Research University8 APIs49.4University of British ColumbiaEducationHigher EducationUniversityPublic Research University7 APIs49.2University of ManchesterUniversityHigher EducationEducationResearch5 APIs47.8University of TokyoUniversityHigher EducationEducationJapan5 APIs47.7Cube PlanningCompanyFP&AFinancial PlanningFinance42 APIs47.0SpotifyMusicAudioStreamingPodcasts15 APIs46.7VideoAmpMedia MeasurementAdvertisingAdTechtv-currency15 APIs46.1Yale UniversityUniversityHigher EducationEducationUnited States13 APIs45.8GutendexBooksCatalogEbooks1 API45.5Hugging Face TransformersArtificial IntelligenceComputer-VisionDeep LearningMachine-Learning27 APIs45.3University of AmsterdamUniversityHigher EducationEducationPublic Research University9 APIs44.6University of ChicagoUniversityHigher EducationEducationPrivate Research University44 APIs44.4CrunchDAOCompanyCrypto Web3Machine-LearningData Science70 APIs44.3AI21 LabsArtificial IntelligenceFoundation ModelsLLMJamba11 APIs43.9ETH Zurich – Swiss Federal Institute of TechnologyUniversityHigher EducationEducationSwitzerland42 APIs43.6Nanyang Technological UniversityUniversityHigher EducationEducationSingapore4 APIs43.5ISBNdbBooksISBNPublishingMetadata8 APIs42.7University of the WitwatersrandEducationHigher EducationUniversityResearch15 APIs42.7TIBCOAnalyticsAPI ManagementCloudEnterprise Software26 APIs42.4QuixStream ProcessingReal-TimeKafkaPython9 APIs42.1Carnegie Mellon UniversityUniversityHigher EducationEducationUnited States7 APIs41.9Ansible PlaybooksAnsibleAutomationConfiguration ManagementDevOps18 APIs41.7University of AdelaideEducationHigher EducationUniversityResearch12 APIs41.3Oper CreditsCompanyMortgagesLendingCredit52 APIs41.1University of RochesterEducationHigher EducationUniversityResearch11 APIs41.0Columbia UniversityUniversityHigher EducationEducationIvy League10 APIs40.8Macquarie UniversityEducationHigher EducationUniversityResearch Data12 APIs40.8Google BooksBooksEbooksGoogle3 APIs40.1Library of CongressGovernmentCongressLegislative Data25 APIs39.9Princeton UniversityUniversityHigher EducationEducationIvy League14 APIs39.5
Thin 52 Limited public surface area
Taylor's UniversityEducationHigher EducationUniversity9 APIs38.8King Fahd University of Petroleum & MineralsEducationHigher EducationUniversityResearch38 APIs38.2VocodeVoice AIVoice AgentsTelephonyConversational AI9 APIs37.6OramaSearchVector SearchRAGOpen-Source5 APIs37.3University of BaselEducationHigher EducationUniversitySwitzerland9 APIs37.1Utrecht UniversityEducationHigher EducationUniversityNetherlands21 APIs37.0University of AlbertaEducationHigher EducationUniversityResearch Data4 APIs36.7University of MelbourneUniversityHigher EducationEducationAustralia8 APIs36.6University of BathEducationHigher EducationUniversityUnited Kingdom26 APIs36.5Chalmers University of TechnologyEducationHigher EducationUniversityResearch24 APIs36.2Lund UniversityEducationHigher EducationUniversitySweden5 APIs36.0Uppsala UniversityEducationHigher EducationUniversityResearch9 APIs35.8King's College LondonUniversityHigher EducationEducationRussell Group6 APIs35.2University of California, BerkeleyUniversityHigher EducationEducationPublic Research University8 APIs35.0University of PennsylvaniaEducationHigher EducationUniversityResearch University10 APIs34.8Cornell UniversityUniversityHigher EducationEducationIvy League6 APIs34.7Yonsei UniversityEducationHigher EducationUniversityResearch38 APIs34.7PromptfooLLM EvaluationRed TeamingAI SecurityGuardrails6 APIs34.6OperCompanyVertical SoftwareFintechMortgage52 APIs34.3SubversionApacheOpen-SourceRepositorySource Control7 APIs34.2University College DublinEducationHigher EducationUniversityIreland9 APIs33.9Michigan State UniversityEducationHigher EducationUniversity5 APIs33.8University of GroningenEducationHigher EducationUniversityResearch75 APIs33.6University of PaduaEducationHigher EducationUniversityOpen Data19 APIs33.6London School of Economics and Political ScienceUniversityHigher EducationEducationUnited Kingdom7 APIs33.5Georgia Institute of TechnologyEducationHigher EducationUniversityResearch5 APIs33.0Humboldt-Universität zu BerlinEducationHigher EducationUniversityResearch6 APIs33.0Lancaster UniversityEducationHigher EducationUniversityUnited Kingdom3 APIs32.3Al-Farabi Kazakh National UniversityEducationHigher EducationUniversityResearch47 APIs32.2TU DresdenEducationHigher EducationUniversityResearch9 APIs31.8University of WashingtonEducationHigher EducationUniversityResearch29 APIs31.5University of TorontoUniversityHigher EducationEducationCanada5 APIs31.3La Trobe UniversityEducationHigher EducationUniversityAustralia4 APIs31.2Victoria University of WellingtonEducationHigher EducationUniversityResearch4 APIs31.1Library of CongressCultural HeritageFederal-GovernmentLegislative12 APIs31.0University of BirminghamEducationHigher EducationUniversityUnited Kingdom4 APIs30.8ApicurioApache LicenseAPI DesignAPI RegistryAvro23 APIs30.5University of Maryland College ParkEducationHigher EducationUniversityUnited States7 APIs30.3Indian Institute of Technology KanpurEducationHigher EducationUniversityResearch64 APIs30.1National Yang Ming Chiao Tung UniversityEducationHigher EducationUniversityTaiwan25 APIs29.5UCLouvainEducationHigher EducationUniversityOpen Data39 APIs29.3University of YorkEducationHigher EducationUniversityUnited Kingdom2 APIs29.2RaycastProductivityLauncherExtensionsSDK3 APIs29.1Apple MusicMusicStreamingAppleMusicKit6 APIs28.7Queen's University at KingstonEducationHigher EducationUniversityOpen Data38 APIs28.6National Agricultural LibraryAgricultureFederal-GovernmentFood1 API28.5Taylor & FrancisAcademicBooksJournalsMetadata4 APIs28.5Project GutenbergBooksEbooksPublic DomainLiterature1 API28.2Alliance for OpenUSD3DInteroperabilityLinux FoundationMetaverse2 APIs28.1AiderArtificial IntelligenceAI Pair ProgrammingDeveloper ToolsCLI15 APIs27.9University of SydneyUniversityHigher EducationEducationAustralia7 APIs27.9Pennsylvania State UniversityEducationHigher EducationUniversityResearch7 APIs27.0
Emerging 78 Early or largely undocumented
Université de MontréalEducationHigher EducationUniversityResearch38 APIs25.9DBOSAPI CompositionDurable ExecutionPostgresQueues2 APIs25.8Kyushu UniversityEducationHigher EducationUniversityResearch2 APIs25.3TektonDevOpsCI/CDKubernetesCNCF21 APIs25.2Indian Institute of Technology BombayEducationHigher EducationUniversityResearch3 APIs24.9Rocket PoolBlockchainEthereumLiquid StakingProof of Stake15 APIs24.5Brown UniversityEducationHigher EducationUniversityResearch3 APIs24.1National Library of MedicineFederal-GovernmentHealthMedicine4 APIs23.3Friedrich-Alexander-Universität Erlangen-NürnbergEducationHigher EducationUniversityResearch3 APIs23.0Technical University of DarmstadtEducationHigher EducationUniversityResearch Data4 APIs22.7Technical University of BerlinEducationHigher EducationUniversityResearch Data3 APIs22.2Indian Institute of Technology DelhiEducationHigher EducationUniversityResearch4 APIs21.3Rice UniversityEducationHigher EducationUniversityResearch4 APIs21.3Waseda UniversityEducationHigher EducationUniversityResearch3 APIs21.3Trinity College DublinEducationHigher EducationUniversityIreland2 APIs21.2University of OtagoEducationHigher EducationUniversityResearch2 APIs21.2University of BarcelonaEducationHigher EducationUniversitySpain3 APIs21.1Autonomous University of MadridEducationHigher EducationUniversitySpain2 APIs21.0Better AuthAuthenticationAuthorizationTypeScript4 APIs20.9UCLEducationHigher EducationUniversityUnited Kingdom6 APIs20.8Universität HamburgEducationHigher EducationUniversityGermany2 APIs20.8Texas A&M UniversityEducationHigher EducationUniversityResearch2 APIs20.3University of Texas at AustinEducationHigher EducationUniversityResearch3 APIs20.1Western UniversityEducationHigher EducationUniversityCanada2 APIs20.1Universitat Pompeu FabraEducationHigher EducationUniversityOpen Data4 APIs19.9FastMCPMCPPythonFrameworkOpen-Source6 APIs19.7PasqalQuantum ComputingNeutral AtomQuantumQPU8 APIs19.5SOPSSecrets ManagementEncryptionConfiguration ManagementDevOps1 API19.5University of FreiburgEducationHigher EducationUniversityResearch3 APIs19.2University of MinnesotaEducationHigher EducationUniversityResearch3 APIs19.2Karlsruhe Institute of TechnologyEducationHigher EducationUniversityResearch4 APIs18.9Ohio State UniversityEducationHigher EducationUniversityResearch3 APIs18.9Tongji UniversityEducationHigher EducationUniversityChina1 API18.9University of BernEducationHigher EducationUniversitySwitzerland3 APIs18.9SpecLynxAPI DesignAsyncAPIDeveloper ToolsJSON-Schema6 APIs18.8University of OttawaEducationHigher EducationUniversityCanada2 APIs18.6University of QueenslandEducationHigher EducationUniversityResearch2 APIs18.6Washington University in St. LouisEducationHigher EducationUniversityResearch2 APIs18.6DuckDBDatabaseAnalyticsOLAPEmbedded1 API18.3National Cheng Kung UniversityEducationHigher EducationUniversityOpen Data3 APIs18.2RetrofitAndroidHTTP ClientJavaKotlin4 APIs18.0Apache Log4jApacheDebuggingJava2 APIs17.7Heriot-Watt UniversityEducationHigher EducationUniversityScotland2 APIs17.7University of AntwerpEducationHigher EducationUniversity2 APIs17.7Gadjah Mada UniversityEducationHigher EducationUniversityIndonesia2 APIs17.6Leiden UniversityEducationHigher EducationUniversityNetherlands1 API17.6Tohoku UniversityEducationHigher EducationUniversityResearch1 API17.6United Arab Emirates UniversityEducationHigher EducationUniversityResearch2 APIs17.6Ghent UniversityEducationHigher EducationUniversityResearch5 APIs17.3Tel Aviv UniversityEducationHigher EducationUniversityIsrael3 APIs17.3University of FloridaEducationHigher EducationUniversityCourses3 APIs17.3University of PittsburghEducationHigher EducationUniversityOpen Data4 APIs17.3École des Ponts ParisTechEducationHigher EducationUniversityEngineering3 APIs17.3McMaster UniversityEducationHigher EducationUniversityCanada2 APIs17.2University of WollongongEducationHigher EducationUniversityAustralia2 APIs17.2Pohang University of Science and TechnologyEducationHigher EducationUniversityResearch1 API17.0Universiti Kebangsaan MalaysiaEducationHigher EducationUniversityResearch2 APIs17.0University of NavarraEducationHigher EducationUniversitySpain1 API17.0Indian Institute of Technology KharagpurEducationHigher EducationUniversityResearch16.8Boston UniversityEducationHigher EducationUniversityResearch2 APIs16.7Curtin UniversityEducationHigher EducationUniversityResearch2 APIs16.7Sapienza University of RomeEducationHigher EducationUniversityResearch2 APIs16.7University of GothenburgEducationHigher EducationUniversitySweden2 APIs16.7Hebrew University of JerusalemEducationHigher EducationUniversityResearch16.3MockitoJavaMockingTestingUnit Testing1 API16.3UCSI UniversityEducationHigher EducationUniversityMalaysia1 API16.0EvalsEvalsLLM EvaluationAI QualityBenchmarks20 APIs15.8Queen Mary University of LondonEducationHigher EducationUniversityResearch15.8DVCMLMLOpsVersioningCLI1 API15.3ExcalidrawCollaborationWhiteboardDiagrammingOpen-Source1 API15.3tldrawWhiteboardSDKCanvasReact2 APIs14.0RagasLLM EvaluationRAG EvaluationRetrieval Augmented GenerationAI Evaluation1 API13.6PlaywrightBrowser TestingEnd-to-EndOpen-Source1 API12.8Defense Threat Reduction AgencyCBRNECounter-WMDDefenseDepartment of Defense4 APIs12.3Apache ParquetApacheBig DataColumnar StorageData Format6 APIs12.1cURLAPI ClientCommand LineData TransferFTP2 APIs12.1Defense Technical Information CenterDefenseDepartment of DefenseDTICFederal-Government5 APIs12.0HTTPXAsyncClientsHTTP Client1 API11.9
Minimal 5 Almost no public developer surface
jQueryAJAXDOM ManipulationFrontendJavaScript2 APIs10.8Quantum MachinesQuantum ComputingQuantum ControlPulse Level ProgrammingQUA13 APIs10.5pandasData AnalysisData ScienceOpen-Source7.6OCLCWorldCatDiscoveryBibliographic1 API6.3PicassoAndroidCachingImage LoadingOpen-Source3.4

APIs with this tag (176)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Strong 7 Solid coverage with minor gaps
Gong Library APIOperations for browsing and retrieving library content66.4Last.fm Library APIA user's scrobbled artist library.63.7FolioApache 2.0 licensed modern PDF library for Go with a layout engine, HTML-to-PDF conversion, form-fill suppo...59.2gofhir-modelsApache 2.0 licensed Go client library and generated FHIR resource models used by Fasten's services to parse...59.2Deep Blue Data REST APIPublic REST API for Deep Blue Data, the University of Michigan Library's open repository for research datas...57.9Deep Blue Documents OAI-PMHLive OAI-PMH 2.0 metadata harvesting endpoint for Deep Blue Documents, the University of Michigan Library's...57.9Plex Library APILibrary endpoints which are outside of the Media Provider API. Typically this is manipulation of the librar...55.3
Developing 31 Usable, with meaningful gaps to close
Azure AD Authentication Library (ADAL)Authentication library for Azure AD (being replaced by MSAL).52.8Microsoft Authentication Library (MSAL)Modern authentication library for Microsoft identity platform.52.8Azure Synapse Analytics Library APIThe Library API from Azure Synapse Analytics — 3 operation(s) for library.52.6Cube Library APIThe Library API from Cube — 12 operation(s) for library.52.5HR Partner Library APIRead document library files and categories.51.7Stanford Libraries IIIF APIIIIF Presentation (v2.1 stable, v3 alpha) and Image v2 APIs over the Stanford Digital Repository. Manifests...50.5Stanford Libraries Library Hours APIOperating hours for 24 Stanford library locations, answered as a JSON:API document at library-hours.stanfor...50.5Stanford Libraries PURL APIPersistent URLs into the Stanford Digital Repository. GET /{druid} returns HTML, /{druid}.xml returns the c...50.5UCLA Library IIIF Image ServiceUCLA Library self-hosts a Cantaloupe 5.0.5 image server exposing both IIIF Image API 2.x and 3.0 endpoints ...49.7IDEALS OAI-PMHThe OAI-PMH 2.0 data provider for IDEALS, the Illinois Digital Environment for Access to Learning and Schol...49.4UBC Library Open Collections APIPublic REST/JSON API over UBC Library's Open Collections — the university's digitized historical, archival ...49.2Cube Planning Library APIThe Library API from Cube Planning — 12 operation(s) for library.47.0Spotify Library APIThe Library API from Spotify — 18 operation(s) for library.46.7VideoAmp Library APIlibrary operations.46.1Yale University Library Digital Collections IIIFIIIF Presentation 3.0 manifests for Yale University Library's digitized collections. The service is institu...45.8Hugging Face Transformers LibraryOpen-source Python library that provides pretrained models, tokenizers, and pipelines for inference and fin...45.3UvA Archives Collection Descriptions OAI-PMH (ArchivesSpace tenancy)OAI-PMH provider exposing EAD collection descriptions and inventories from the University of Amsterdam Libr...44.6UvA Central Catalogue OAI-PMH (Ex Libris Alma tenancy)The harvesting endpoint the university library documents for its central catalogue — roughly 2.5 million bi...44.6CrunchDAO library APIThe library API from CrunchDAO — 5 operation(s) for library.44.3AI21 File Library APIManaged file storage for RAG workflows. Upload, list, retrieve, update, and delete documents that Maestro a...43.9AI21 Labs Library APIThe Library API from AI21 Labs — 1 operation(s) for library.43.9TIBCO Library APIManage Spotfire library items and folders42.4Quix Streams (Open Source)Apache 2.0 open source Python library (pip install quixstreams) for building containerized stream-processin...42.1Ansible Runner APIAnsible Runner is a Python library and CLI tool that provides a stable and consistent interface for executi...41.7Adelaide Research & Scholarship OAI-PMHOAI-PMH 2.0 metadata harvesting endpoint for the "Adelaide Research & Scholarship" DSpace repository. Confi...41.3Adelaide Research & Scholarship REST APIDSpace 7.6.1 REST (HAL/JSON) API for the University of Adelaide institutional repository "Adelaide Research...41.3Oper Credits Library APIThe Library API from Oper Credits — 2 operation(s) for library.41.1UR Research Institutional Repository OAI-PMHThe legacy UR Research institutional repository exposes a live OAI-PMH interface for harvesting Dublin Core...41.0CLIO Library Catalog Open DataColumbia University Libraries publishes its full catalogue — bibliographic and holdings records from the in...40.8Macquarie University Library Open-Source ToolingThe Macquarie University Library publishes public open-source utilities on GitHub that integrate with the E...40.8DataSpace Institutional Repository — OAI-PMHDataSpace is Princeton's older DSpace-based institutional repository for theses, dissertations and archived...39.5
Thin 49 Limited public surface area
Taylor's Library OAI-PMHOAI-PMH 2.0 data provider exposed by the Koha-powered Taylor's Library catalog for harvesting bibliographic...38.8KFUPM ePrints REST / SearchEPrints content and search URLs for the KFUPM ePrints repository. Individual records are addressable (e.g. ...38.2Vocode Open Source Libraryvocode-core, the MIT-licensed Python library for building voice-based LLM agents with pluggable STT, LLM, a...37.6Orama Open Source EngineThe open-source @orama/orama library (Apache 2.0) - a complete in-memory search engine and RAG pipeline tha...37.3swisscovery (SLSP Alma) SRUStandards-based SRU (Search/Retrieve via URL) interface to the SLSP swisscovery / Alma discovery system for...37.1Utrecht University Repository OAI-PMHOAI-PMH metadata harvesting interface for the Utrecht University Library DSpace institutional repository, e...37.0University of Alberta Library Open Source (GitHub)The University of Alberta Library publishes open-source code through its GitHub organization (ualbertalib),...36.7Library Discovery (Ex Libris Primo)The University of Bath library catalogue runs on Ex Libris Alma with the Primo discovery service. Primo VE ...36.5Lund University Publications OAI-PMHOAI-PMH 2.0 metadata-harvesting endpoint for fully or partially harvesting Lund University publication meta...36.0Lund University Publications SRUSRU 1.1 Search/Retrieve via URL service using CQL (Contextual Query Language) for querying the LUP publicat...36.0Lund University Publications unAPIunAPI 1 discovery service for retrieving alternate metadata formats of LUP records. No authentication requi...36.0DiVA OAI-PMHDiVA (Academic Archive On-line) is Uppsala University Library's institutional repository for publications a...35.8eCommons Institutional Repository (DSpace REST + OAI-PMH) — tenanteCommons is Cornell University Library's institutional repository: Cornell's content, Cornell's DOIs, Corne...34.7YUHSpace Institutional Repository (DSpace)YUHSpace is the Yonsei University Health System / Medical Library institutional repository, running DSpace ...34.7Promptfoo Node.js LibraryThe Promptfoo Node.js package exposes the same evaluation engine programmatically so developers can embed e...34.6Oper Library APIThe Library API from Oper — 2 operation(s) for library.34.3SVN C Library APIThe Subversion C library provides the low-level API for building tools and integrations. It includes the li...34.2MSU Libraries Catalog OAI-PMHOAI-PMH 2.0 metadata harvesting endpoint for the "Michigan State University Libraries Catalog" repository, ...33.8MSU Libraries Digital Repository OAI-PMHOAI-PMH 2.0 metadata harvesting endpoint for the "MSU Libraries Digital Repository" (d.lib.msu.edu), exposi...33.8Padua@Research OAI-PMHPadua@Research (Padua Research Archive) is an EPrints-based institutional repository of the University of P...33.6PHAIDRA IIIF Image APIPHAIDRA serves digital images through an IIIF (International Image Interoperability Framework) image server...33.6PHAIDRA OAI-PMHOAI-PMH metadata harvesting endpoint for the PHAIDRA digital collections, allowing programmatic harvesting ...33.6Research Data Unipd OAI-PMHResearch Data Unipd is the EPrints-based research-data archive of the University of Padua, supporting data ...33.6UG Research Portal OAI-PMH (Pure)OAI-PMH metadata-harvesting endpoint over the University of Groningen research portal, powered by Elsevier ...33.6LSE Digital Library (Quartex — IIIF / OAI-PMH)The LSE Digital Library publishes digitised and born-digital material from LSE Library collections. The hos...33.5LSE Library Search (Ex Libris Primo VE / Alma)LSE library discovery runs on Ex Libris Primo VE at librarysearch.lse.ac.uk, which CNAMEs to lse.primo.exli...33.5GT Digital Repository OAI-PMHPublic OAI-PMH 2.0 metadata harvesting interface for the Georgia Tech Digital Repository (DSpace 7), the in...33.0GT Digital Repository REST APIDSpace 7 REST API for the Georgia Tech Digital Repository, providing programmatic access to communities, co...33.0University Library Primus Discovery (Ex Libris Primo/Alma)The University Library's central search portal, Primus, is built on the Ex Libris Primo discovery service b...33.0Lancaster Library Alma Webhook HandlerOpen-source AWS serverless application maintained by Lancaster University Library that listens for Ex Libri...32.3Lancaster Library Services (Ex Libris Alma/Primo)Library user, fine, loan, and renewal services exposed via Ex Libris Alma/Primo web services (getUser, getU...32.3ResearchWorks Repository (DSpace REST + OAI-PMH)ResearchWorks is UW's institutional digital repository for disseminating text-based scholarly work produced...31.5TSpace DSpace REST API — tenant on ScholarisThe DSpace 8.4 HAL REST API serving TSpace. Verified live on 2026-08-19: the root document returns dspaceNa...31.3TSpace Institutional Repository (OAI-PMH) — tenant on ScholarisOAI-PMH 2.0 harvesting endpoint for TSpace, the University of Toronto Libraries institutional research repo...31.3Te Waharoa Library Discovery (Primo / Alma)The university library's discovery service, branded Te Waharoa, runs on Ex Libris Primo backed by Alma reso...31.1Apicurio Data ModelsApicurio Data Models is a Java and TypeScript library for parsing, validating, and manipulating OpenAPI and...30.5DRUM Institutional RepositoryDRUM (Digital Repository at the University of Maryland) is the UMD Libraries' DSpace-based institutional re...30.3DIAL UCLouvain OAI-PMHDIAL (Digital Access to Libraries) is UCLouvain's institutional repository for research publications. It ex...29.3YorSearch Library Discovery (Ex Libris Primo)YorSearch is the University of York library discovery service, built on the Ex Libris Primo platform with a...29.2Raycast Extension API (SDK)The primary developer interface - the @raycast/api npm package. A strongly typed TypeScript/Node SDK (insta...29.1Apple Music APIREST API for Apple Music: catalog (songs, albums, artists, music videos, playlists, stations), search, char...28.7Apple Music Library APIAuthenticated user library resources28.7QSpace Repository API (DSpace)QSpace is Queen's University Library's open-access institutional repository built on DSpace, hosting theses...28.6Taylor & Francis KBART Holdings APIThe Taylor & Francis KBART Holdings API enables library management systems to automatically retrieve and sy...28.5Taylor & Francis SUSHI / COUNTER 5 APITaylor & Francis Online supports automated harvesting of COUNTER Release 5 usage statistics via the SUSHI p...28.5OpenUSD C++ APIThe OpenUSD C++ API is the primary interface for working with Universal Scene Description data. Provides ac...28.1Aider Python ModuleAider exposes a Python module entrypoint (`python -m aider`) and an importable package (`aider.main.main`) ...27.9Library Discovery — Ex Libris Primo VE / Alma (tenant)The University of Sydney Library runs on the Ex Libris Alma library services platform with the Primo VE dis...27.9Researcher Metadata Database (RMD) APIPenn State University Libraries' faculty and research metadata service, maintained with OSVPR and West Aret...27.0
Emerging 86 Early or largely undocumented
Papyrus OAI-PMH EndpointOAI-PMH 2.0 metadata harvesting endpoint for Papyrus, the UdeM institutional repository (a DSpace/Scholaris...25.9DBOS TransactDBOS Transact is a durable execution library that decorates application functions with workflow, step, tran...25.8Kyushu University Institutional Repository (QIR) OAI-PMHLive OAI-PMH 2.0 metadata harvesting interface for the Kyushu University Institutional Repository (QIR), ru...25.3QIR / Kyushu University Collections Bulk Metadata (TSV via Handle)Quarterly full-metadata TSV exports for Kyushu University Library digital collections, distributed through ...25.3Tekton CatalogThe Tekton Catalog hosts community-curated, versioned Task and Pipeline definitions consumed via the Hub or...25.2DSpace Institutional Repository OAI-PMHThe IIT Bombay Central Library institutional repository is built on DSpace and exposes an OAI-PMH 2.0 metad...24.9Rocket Pool Protocol API (rocketpool-js)The rocketpool-js library is a TypeScript/JavaScript client for the Rocket Pool protocol's deployed smart c...24.5Brown Digital Repository (BDR) APIPublic REST/search API for the Brown Digital Repository, the library's platform for gathering, indexing, st...24.1Brown Digital Repository IIIF ServiceIIIF (International Image Interoperability Framework) image and presentation service exposing IIIF manifest...24.1OPEN FAU DSpace REST APIOPEN FAU is the institutional open-access publication repository of FAU, built on DSpace 7.4. Its REST/HAL ...23.0OPEN FAU OAI-PMH InterfaceOAI-PMH metadata harvesting interface for the OPEN FAU DSpace repository, supporting standard verbs (Identi...23.0IIT Delhi Institutional Repository DSpace REST APIThe IIT Delhi Central Library institutional repository runs on DSpace 8.0 and exposes the standard DSpace R...21.3IIT Delhi Institutional Repository OAI-PMHOAI-PMH 2.0 metadata-harvesting interface for the IIT Delhi DSpace 8 institutional repository, enabling har...21.3Rice Research Repository OAI-PMHOAI-PMH 2.0 metadata harvesting endpoint for the Rice Research Repository. The Identify verb returns reposi...21.3Rice Research Repository REST APIDSpace 9.x REST API for the Rice Research Repository (R-3), Fondren Library's institutional repository. The...21.3WINE Library Discovery (Ex Libris Primo)Waseda University Library's discovery service (WINE) runs on the Ex Libris Primo/Alma platform, institution...21.3OUR Archive OAI-PMH MetadataOUR Archive (Otago University Research Archive) is the University of Otago institutional research repositor...21.2TCD Digital Collections (IIIF)Digital Collections is the Library of Trinity College Dublin's Hyrax/Samvera-based digital asset repository...21.2Dipòsit Digital OAI-PMHOAI-PMH metadata-harvesting endpoint for the Dipòsit Digital de la Universitat de Barcelona. The Identify v...21.1Dipòsit Digital REST API (DSpace 7)Public DSpace 7.6.6 REST API for the Dipòsit Digital de la Universitat de Barcelona, the institutional repo...21.1Biblos-e Archivo REST API (DSpace 7)HAL-based REST API for Biblos-e Archivo, the UAM institutional repository, running DSpace 7.6.5. Provides p...21.0Better Auth LibraryCore TypeScript library distributed as the `better-auth` npm package. Configured in the application backend...20.9E-Dissertationen (ediss.sub.hamburg) OAI-PMHOAI-PMH metadata-harvesting interface for the DSpace-based institutional repository of electronic dissertat...20.8Scholaris (Scholarship@Western) DSpace REST APIDSpace 8.3 REST (HAL) API for Western University's Open Repository, Scholarship@Western, hosted on the nati...20.1Texas Data Repository (Dataverse) APIUT Austin publishes and archives research datasets in the Texas Data Repository, a Dataverse instance hoste...20.1Texas ScholarWorks DSpace REST APIPublic DSpace 8 REST API for Texas ScholarWorks, the UT Austin institutional repository of theses, disserta...20.1Texas ScholarWorks OAI-PMH EndpointOAI-PMH 2.0 metadata-harvesting endpoint for Texas ScholarWorks. An Identify request returns repositoryName...20.1FastMCP ClientThe FastMCP Client is a Python client library for talking to any MCP server — local or remote — with full p...19.7Maximum Independent Set SolverMaximum Independent Set (MIS) solver library that exploits the natural mapping of MIS onto Rydberg-blockade...19.5Quantum Evolution Kernel (QEK)QEK is Pasqal's open-source graph machine learning library that uses quantum-driven similarity metrics deri...19.5QUBO SolverQuadratic Unconstrained Binary Optimization solver library that combines classical heuristics with quantum ...19.5SOPS Go LibraryThe SOPS decrypt Go package provides programmatic access to SOPS-encrypted files from Go applications. It s...19.5UMedia Digital Collection APIsUniversity of Minnesota Libraries APIs for programmatically downloading items, text, and metadata from the ...19.2dbkit APIdbkit is a web application framework developed by the KIT Library that provides both an API interface and a...18.9KITopen OAI-PMH InterfaceKITopen is KIT's central open-access institutional repository for bibliographic data, full texts, images, r...18.9Knowledge Bank DSpace REST APIPublic REST API for the Knowledge Bank, Ohio State University Libraries' DSpace 7.6 institutional repositor...18.9Knowledge Bank OAI-PMH InterfaceOAI-PMH 2.0 metadata harvesting endpoint for the Knowledge Bank institutional repository. Supports the stan...18.9Tongji University Open PlatformOfficial institutional data and capability API platform for Tongji University. Provides documented APIs spa...18.9University Library Data-Mining APIs GuideThe University of Bern Library publishes curated guidance on Application Programming Interfaces for text an...18.9SpecLynx ApiDOMA unified semantic parsing engine that underpins all SpecLynx products. ApiDOM parses OpenAPI, AsyncAPI, Ar...18.8SpecLynx Language ServiceAn LSP-compatible npm library (@speclynx/apidom-ls) providing 13 intelligent editing capabilities for API d...18.8Digital Commons Data@Becker (Research Repository)The Becker Medical Library / School of Medicine research data repository runs on the Elsevier Digital Commo...18.6uO Research DSpace REST APIPublic DSpace 7.6.5 REST/HATEOAS API for uO Research (Recherche uO Research), the University of Ottawa's in...18.6uO Research OAI-PMHOAI-PMH 2.0 metadata-harvesting endpoint for uO Research. An Identify request confirms protocol version 2.0...18.6UQ eSpace REST APIREST API for UQ eSpace providing programmatic access to research outputs and dataset records held in the re...18.6DuckDB In-Process LibraryDuckDB ships as a library with first-class bindings for Python, R, Java (JDBC), Node.js, C/C++, Go, Rust, S...18.3NCKU Library Discovery (Ex Libris Primo)The NCKU Library catalog and discovery service runs on Ex Libris Primo backed by an Alma library services p...18.2Brocade Library Services (Anet)Brocade is the integrated, web-based library management system developed by Anet, the software department o...17.7Heriot-Watt LibCal (Springshare)Springshare LibCal service for library room bookings, events, and opening hours. LibCal offers a documented...17.7IRUA OAI-PMH Metadata APIOpen Archives Initiative Protocol for Metadata Harvesting (OAI-PMH 2.0) interface for the Institutional Rep...17.7Scholarly Publications OAI-PMHOAI-PMH 2.0 metadata harvesting endpoint for the Leiden University Scholarly Publications repository, an Is...17.6Scholarworks@UAEU OAI-PMH Repository APIOAI-PMH 2.0 metadata harvesting endpoint for Scholarworks@UAEU, the university's open-access institutional ...17.6UGM Repository OAI-PMHOAI-PMH 2.0 metadata harvesting endpoint for "repository civitas UGM", the institutional repository running...17.6D-Scholarship@Pitt OAI-PMHD-Scholarship@Pitt is the University Library System's institutional repository of research and scholarly ou...17.3Ghent University Academic Bibliography APIThe Academic Bibliography (Biblio) provides programmatic access to UGent research publication metadata via ...17.3Ghent University Library Catalog InterfacesThe Ghent University Library catalog (lib.ugent.be) exposes machine interfaces for its collections, includi...17.3OAI-PMH Repository Plugin (Omeka)Public PHP source hosted on the official EcoleDesPontsParisTech GitHub organization. A forked OAI-PMH repos...17.3PittAPI (community)PittAPI is an unofficial, community-maintained Python library (developed by the Pitt Computer Science Club)...17.3TAU Libraries Alma / OAI-PMH Metadata HarvestingThe TAU Libraries Primo discovery layer is backed by the ExLibris Alma library services platform. Alma depl...17.3TAU Libraries Primo Discovery (DaTA Search)Tel Aviv University Libraries run ExLibris Primo for catalog/discovery (branded "DaTA Search"), institution...17.3UF Digital Collections (UFDC) Metadata FeedsThe University of Florida Digital Collections host over 18 million files of books, archival documents, news...17.3MacSphere OAI-PMH Repository InterfacePublicly accessible OAI-PMH 2.0 metadata-harvesting interface for MacSphere, McMaster University Libraries'...17.2UOW Library Discovery (Ex Libris Primo/Alma)The UOW Library runs on the Ex Libris Alma library services platform with the Primo discovery layer (adopte...17.2DADUN Institutional Repository (OAI-PMH)DADUN (Deposito Academico Digital de la Universidad de Navarra) is the university's open-access institution...17.0OASIS Repository OAI-PMHLive OAI-PMH 2.0 metadata-harvesting endpoint for the POSTECH Library OASIS institutional repository (DSpac...17.0UKM Journal Article Repository (OAI-PMH)EPrints-based repository of journal articles published by UKM faculties, institutes and UKM Press. Register...17.0UKM Learning and Research Repository (OAI-PMH)DSpace-based institutional repository operated by Perpustakaan Tun Seri Lanang (UKM Library) providing acce...17.0Curtin espace Institutional Repositoryespace is Curtin University's open-access institutional repository of research publications and higher-degr...16.7GUPEA Repository OAI-PMH InterfaceGUPEA (Gothenburg University Publications Electronic Archive) is the university's DSpace-based institutiona...16.7OpenBU Repository OAI-PMH APIOpenBU is Boston University Libraries' open-access institutional repository, built on DSpace. It exposes a ...16.7Sapienza Library System Open Data & Linked DataOpen data and linked data publishing from the Sistema Bibliotecario Sapienza (Sapienza Library System), pro...16.7Mockito CoreThe core Mockito mocking framework for creating mock objects, stubbing methods, verifying invocations, and ...16.3UCSI University Library Catalog (Koha)The UCSI University Library runs a Koha open-source integrated library system (OPAC) at koha.ucsiuniversity...16.0RagasRagas is an open-source evaluation library focused on retrieval-augmented generation, described in its own ...15.8@excalidraw/excalidraw npm PackageThe official React component package for embedding the Excalidraw canvas. Provides programmatic control ove...15.3DVC CLI and Python APIDVC ships as a CLI plus a Python API (`dvc.api`). It tracks data and model files via pointers stored in Git...15.3tldraw React SDKThe tldraw SDK is a React component library for embedding an infinite canvas with drawing tools, shapes, te...14.0Ragas Python LibraryThe Ragas Python library is the primary surface of the project, installed via `pip install ragas` and impor...13.6DTRA Information Analysis Center (DTRIAC)The DTRA Information Analysis Center provides scientific and technical information services to the Counter-...12.3FastParquet Python APIAlternative Python implementation for Parquet files.12.1libcurllibcurl is a free, easy-to-use, thread-safe, IPv6-compatible client-side URL transfer library written in C ...12.1Parquet C++ APIC++ implementation as part of Apache Arrow.12.1Parquet Java APIJava implementation for reading and writing Parquet files.12.1Parquet R APIR package for reading and writing Parquet files via Apache Arrow.12.1PyArrow Parquet Python APIPython library for reading and writing Parquet files, distributed as part of Apache Arrow.12.1HTTPXHTTPX is a fully featured HTTP client library for Python 3 with sync and async APIs, HTTP/1.1 and HTTP/2 su...11.9
Minimal 3 Almost no public developer surface
jQuery CDNContent Delivery Network endpoints for serving jQuery and related plugin library files (jQuery, jQuery UI, ...10.8QUAlibrate CoreCore Python library that defines the calibration node and graph abstractions used by QUAlibrate.10.5OCLCThe Discovery API allows you to surface both WorldCat and WorldCat Discovery central index data in search r...6.3

Score breakdown

Frequency
68.4
log-scaled weighted occurrences
Breadth
4.9
spread across providers
Quality lift
33.0
mean composite of providers using it
Cohesion
40.7
strength of nearest seed neighbor

Related tags

University 113 co-occurrences OAI-PMH 86 co-occurrences Higher Education 113 co-occurrences Repository 61 co-occurrences Open Access 51 co-occurrences DSpace 36 co-occurrences Research 87 co-occurrences Institutional Repository 32 co-occurrences

Where this tag comes from

Api tag192
Provider tag116
Openapi tag12
Openapi op tag64

Cohort brief

Auto-generated

The 178 providers in the APIs.io catalog tagged Library, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
178
all scored
Mean Kin Score
29.4
+8.7 vs catalog 20.7
Mean Agent Readiness
15
+5.3 vs catalog 9.7
Spread
3.4–66.4
median 28.5 · σ 12.8
How the 178 split by band
Exemplar 0Strong 6Developing 37Thin 52Emerging 78Minimal 5
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 32.4 17.5 +14.9 178
Operational Transparency 25.5 11.3 +14.2 178
Access Clarity 30.6 22.3 +8.3 178
Discoverability 67.7 60.4 +7.3 178
Contract Governance 9 6.4 +2.6 178
Developer Ergonomics 16.9 17.9 -1 178

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes
ArtifactThis cohortCatalogDifference
MCP server (any) 6% 16% -10
MCP server (first-party) 2% 7% -5
Agent Skills 0% 0% 0
OAuth scopes 19% 9% +10
Security 99% 88% +11
Arazzo workflows 1% 2% -1
Governance rules 44% 13% +31

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score
  1. 1 Gong 66.4
  2. 2 Last.fm 63.7
  3. 3 Delft University of Technology 62.4
  4. 4 Fasten Health 59.2
  5. 5 University of Michigan-Ann Arbor 57.9
  6. 6 Plex 55.3
  7. 7 Microsoft Azure Active Directory 52.8
  8. 8 Azure Synapse Analytics 52.6
  9. 9 Cube 52.5
  10. 10 HR Partner 51.7
Top by Agent Readiness
  1. 1 Plex 62.4
  2. 2 Hugging Face Transformers 53.9
  3. 3 VideoAmp 53.1
  4. 4 Gong 46.1
  5. 5 Fasten Health 38.5
  6. 6 Cube 36.4
  7. 7 Cube Planning 36.4
  8. 8 Columbia University 36
  9. 9 ETH Zurich – Swiss Federal Institute of Technology 35
  10. 10 Macquarie University 33.1
All 178 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 25 August 2026, across 26891 providers, using the same computation served by the APIs.io cohort API. Briefs are published for rosters of 5 or more scored providers; below that a distribution is not meaningful.

Work with this as data

Every tag 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 tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • 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 tag 
curl "https://apis.io/api/v1/tags/library"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/library"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/library/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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