stale · -0.9

Public Domain

Score 15.4 / 100 9 providers 3 APIs Search apis.io →

Providers using this tag (9)

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

Developing 3 Usable, with meaningful gaps to close
GutendexGutendex is a simple, self-hosted JSON-based web API for serving book catalog information from Project Gute...1 API45.3Smithsonian InstitutionSmithsonian Institution Open Access REST API providing search and retrieval of over 4.7 million digitized o...3 APIs42.1WikisourceWikisource is the Wikimedia Foundation's free library of source texts — public-domain and freely-licensed b...10 APIs41.1
Thin 5 Limited public surface area
Digital Public Library of AmericaThe Digital Public Library of America (DPLA) provides a free REST API that gives access to metadata for 50 ...5 APIs37.7University of PennsylvaniaThe University of Pennsylvania (Penn) is a private Ivy League research university in Philadelphia. Penn ope...10 APIs35.0PoetryDBPoetryDB is a public REST API providing programmatic access to a database of English-language poems. Develo...1 API29.5Project GutenbergProject Gutenberg is a free ebook library providing access to over 75,000 public domain books via the Guten...1 API28.5U.S. Treasury Fiscal DataU.S. Treasury Fiscal Data is a free, public source for federal government financial data published by the B...6 APIs28.3
Emerging 1 Early or largely undocumented
OurAirportsOurAirports is an open airport data platform maintained by a global community of aviation enthusiasts. It p...6 APIs19.2

APIs with this tag (2)

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 →

Thin 2 Limited public surface area
PoetryDB APISearch and retrieve English-language poems by author, title, line content, and line count. Returns structur...29.5Gutendex APIGutendex is a JSON web API for Project Gutenberg ebook metadata. It provides access to the catalog of 75,00...28.5

Score breakdown

Frequency
29.2
log-scaled weighted occurrences
Breadth
0.2
spread across providers
Quality lift
40.3
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor

Related tags

Open Data 6 co-occurrences

Where this tag comes from

Provider tag8
Api tag3