niche · -0.6 market industry

OpenSearch

Score 19.6 / 100 7 providers +14 via APIs 16 APIs Search apis.io →

Providers using this tag (7)

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

Strong 1 Solid coverage with minor gaps
Logz.ioObservabilityLoggingMetricsTracing1 API64.5
Developing 3 Usable, with meaningful gaps to close
BonsaiCompanySearchElasticsearch4 APIs54.2AivenManaged Data InfrastructureApache KafkaPostgreSQL2 APIs46.8KU LeuvenUniversityHigher EducationEducationBelgium2 APIs39.5
Thin 2 Limited public surface area
OpenSearchSearchAnalyticsObservability1 API37.2Indian Institute of Technology KharagpurEducationHigher EducationUniversityInstitute of Technology2 APIs31.3
Unrated 1 Not yet scored
InstaclustrCompanyApache KafkaApache CassandraPostgreSQL2 APIs

APIs with this tag (16)

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...67.5
Strong 2 Solid coverage with minor gaps
Amazon OpenSearch Service API Open Search APIThe Open Search API from Amazon OpenSearch Service API — 30 operation(s) for open search.62.9Amazon Web Services Open Search APIThe Open Search API from Amazon Web Services — 43 operation(s) for open search.60.9
Developing 1 Usable, with meaningful gaps to close
Wiktionary Open Search APIaction=opensearch — OpenSearch suggestions protocol47.8
Thin 8 Limited public surface area
Seoul National University Open Search APIOpenSearch 1.1 description and query endpoints.34.6CMR OpenSearch APIOpenSearch-compliant API wrapper for CMR Search enabling standard OpenSearch client integration. Supports c...33.4DepositOnce DSpace REST APIDSpace 9.4 REST/HAL API for DepositOnce, exposing communities, collections, items, bitstreams, discovery, v...31.9Indian Institute of Technology Kharagpur Open Search APIOpenSearch 1.1 description and query operations. All parameters verified live 2026-09-01.31.3UMD 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...30.8UMD Web Archives on Archive-ItUMD Libraries' web archiving programme, operated as Archive-It organization 408 at the Internet Archive. UM...30.8api.data.gov Open Search APIThe Open Search API from api.data.gov — 1 operation(s) for open search.30.7University of Leeds Open Search APIOpenSearch 1.1 description and search result feeds.27.9
Emerging 2 Early or largely undocumented
Trinity College Dublin site OpenSearch descriptionAn OpenSearch 1.1 description document served as application/xml from Trinity's own domain and explicitly a...23.2DTU Findit — library discoveryDTU Library's discovery interface, running on DTU's own host on the open-source Blacklight stack rather tha...17.8
Unrated 2 Not yet scored
Airbus OneAtlas Open Search APIThe Open Search API from Airbus OneAtlas — 1 operation(s) for open search.PKU Institutional Repository OpenSearch FeedOpenSearch 1.1 query interface returning an Atom feed of repository records, served from the institution's ...

Companies reaching this through an API (14)

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 Amazon OpenSearch Service API Amazon Web Services api.data.gov 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 Wiktionary

Score breakdown

Frequency
37.6
log-scaled weighted occurrences
Breadth
0.1
spread across providers
Quality lift
47.7
mean composite of providers using it
Cohesion
4.4
strength of nearest seed neighbor

Related tags

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

Where this tag comes from

Api tag16
Provider tag7
Openapi tag7
Openapi op tag9

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Tools for tags

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  • 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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