emerging · 0.0 market industry

OpenSearch

Score 21.1 / 100 5 providers +12 via APIs 14 APIs Search apis.io →

Providers using this tag (5)

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

Strong 1 Solid coverage with minor gaps
Logz.ioObservabilityLoggingMetricsTracing1 API66.0
Developing 4 Usable, with meaningful gaps to close
KU LeuvenUniversityHigher EducationEducationBelgium3 APIs50.9AivenManaged Data InfrastructureApache KafkaPostgreSQL1 API44.3Indian Institute of Technology KharagpurEducationHigher EducationUniversityInstitute of Technology4 APIs42.7OpenSearchSearchAnalyticsObservability1 API41.0

APIs with this tag (14)

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 →

Exemplar 1 Complete, well-documented, and agent-ready
OCI Search with OpenSearch APIREST APIs for managing OCI Search Service with OpenSearch, a managed service for building in-application se...67.0
Developing 9 Usable, with meaningful gaps to close
Wiktionary Open Search APIaction=opensearch — OpenSearch suggestions protocol52.0Seoul National University Open Search APIOpenSearch 1.1 description and query endpoints.50.8PKU Institutional Repository OpenSearch FeedOpenSearch 1.1 query interface returning an Atom feed of repository records, served from the institution's ...45.4CMR OpenSearch APIOpenSearch-compliant API wrapper for CMR Search enabling standard OpenSearch client integration. Supports c...44.3UMD Libraries Audio/Video Collections OAI-PMH and OpenSearchThe Libraries' Avalon Media System deployment for audio and video collections, with an OAI-PMH 2.0 endpoint...43.6UMD Web Archives on Archive-ItUMD Libraries' web archiving programme, operated as Archive-It organization 408 at the Internet Archive. UM...43.6DepositOnce DSpace REST APIDSpace 9.4 REST/HAL API for DepositOnce, exposing communities, collections, items, bitstreams, discovery, v...43.2Indian Institute of Technology Kharagpur Open Search APIOpenSearch 1.1 description and query operations. All parameters verified live 2026-09-01.42.7DI-fusion OpenSearch DescriptionOpenSearch 1.1 description document for the DI-fusion discovery interface, allowing a client to register DI...42.5
Thin 3 Limited public surface area
Airbus OneAtlas Open Search APIThe Open Search API from Airbus OneAtlas — 1 operation(s) for open search.39.0University of Leeds Open Search APIOpenSearch 1.1 description and search result feeds.33.7Trinity College Dublin site OpenSearch descriptionAn OpenSearch 1.1 description document served as application/xml from Trinity's own domain and explicitly a...32.1
Emerging 1 Early or largely undocumented
DTU Findit — library discoveryDTU Library's discovery interface, running on DTU's own host on the open-source Blacklight stack rather tha...20.3

Companies reaching this through an API (12)

These companies publish an API, specification or operation carrying “OpenSearch” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

Airbus OneAtlas NASA CMR Oracle Peking University Seoul National University Technical University of Berlin Technical University of Denmark Trinity College Dublin University of Leeds University of Maryland College Park Université libre de Bruxelles Wiktionary

Score breakdown

Frequency
36.9
log-scaled weighted occurrences
Breadth
0.1
spread across providers
Quality lift
55.3
mean composite of providers using it
Cohesion
5.1
strength of nearest seed neighbor

Related tags

Research Computing 5 co-occurrences eduGAIN 6 co-occurrences Course Catalog 5 co-occurrences Research Data 9 co-occurrences Research Repository 7 co-occurrences University 10 co-occurrences Shibboleth 7 co-occurrences OAI-PMH 8 co-occurrences

Where this tag comes from

Api tag14
Provider tag5
Openapi tag5
Openapi op tag8

Work with this as data

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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/opensearch"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/opensearch"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/opensearch/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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