stale · 0.2

Constituents

Score 14.0 / 100 7 providers 7 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
FactsetFactSet creates flexible, open data and software solutions for tens of thousands of investment professional...460 APIs65.5
Developing 1 Usable, with meaningful gaps to close
BloomerangBloomerang is a cloud-based donor management and fundraising CRM built for small and mid-size nonprofits, c...9 APIs40.5
Thin 1 Limited public surface area
Exchange Data InternationalExchange Data International (EDI) is an independent, privately held financial data vendor founded in 1994 b...24 APIs27.0
Emerging 3 Early or largely undocumented
MSCIMSCI is a leading provider of critical decision support tools and services for the global investment commun...10 APIs21.7Bloomberg IndicesBloomberg Indices are a comprehensive family of fixed income, equity, commodity, and multi-asset benchmark ...3 APIs19.6Bloomberg Index Solutions Limited (BISL)Bloomberg Index Solutions Limited (BISL) is the entity that administers Bloomberg's fixed income and multi-...2 APIs19.1
Minimal 1 Almost no public developer surface
PersonifyPersonify (Personify Inc., part of Momentive Software as of January 2026) is a constituent and association ...3 APIs7.4

APIs with this tag (7)

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 1 Solid coverage with minor gaps
Factset Constituents APIThe Constituents API from Factset — 2 operation(s) for constituents.65.5
Developing 1 Usable, with meaningful gaps to close
Bloomerang Constituents APIIndividuals, households, and organizations tracked as donors and contacts.40.5
Thin 1 Limited public surface area
EDI Index Constitution APIIndex constituent reference data via the GetReferenceNameForIndexConstituents endpoint.27.0
Emerging 3 Early or largely undocumented
MSCI Index APIREST APIs for MSCI index data including index levels and performance, constituents, security master, divide...21.7Bloomberg Index Data APIAccess index constituent data, weights, analytics, total returns, and historical data for Bloomberg's famil...19.6Bloomberg Index Data APIAccess Bloomberg index constituent data, returns, analytics, and historical data for the Bloomberg Global A...19.1
Minimal 1 Almost no public developer surface
Personify360 Novus APIProprietary Novus API integration layer for the enterprise Personify360 / ThreeSixty AMS, documented with a...7.4

Score breakdown

Frequency
28.6
log-scaled weighted occurrences
Breadth
0.2
spread across providers
Quality lift
34.3
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor

Where this tag comes from

Api tag7
Openapi tag2
Openapi op tag10