niche · -0.2

ETFs

Score 18.7 / 100 31 providers +4 via APIs 13 APIs Search apis.io →
Variants seen in the corpus: ETFsetfs

Providers using this tag (31)

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

Strong 3 Solid coverage with minor gaps
Developing 8 Usable, with meaningful gaps to close
Thin 7 Limited public surface area
Emerging 8 Early or largely undocumented
Minimal 5 Almost no public developer surface

APIs with this tag (13)

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
Strong 2 Solid coverage with minor gaps
Developing 4 Usable, with meaningful gaps to close
Thin 2 Limited public surface area
Emerging 4 Early or largely undocumented

Companies reaching this through an API (4)

These companies publish an API, specification or operation carrying “ETFs” 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.

Barchart Bloomberg Index Solutions Limited (BISL) TIAA-CREF Twelve Data

Score breakdown

Frequency
46.6
log-scaled weighted occurrences
Breadth
0.9
spread across providers
Quality lift
34.1
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor

Related tags

Stocks 15 co-occurrences Mutual Funds 8 co-occurrences Fundamentals 7 co-occurrences Forex 5 co-occurrences Options 9 co-occurrences Fixed Income 5 co-occurrences Brokerage 8 co-occurrences Investing 11 co-occurrences

Where this tag comes from

Api tag13
Provider tag31
Openapi tag5
Openapi op tag14

Cohort brief

Auto-generated

The 31 providers in the APIs.io catalog tagged ETFs, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
31
all scored
Mean Kin Score
30.1
+6.3 vs catalog 23.8
Mean Agent Readiness
17.5
+5.9 vs catalog 11.6
Spread
1.9–61.8
median 32.3 · σ 17.3
How the 31 split by band
Exemplar 0Strong 3Developing 8Thin 7Emerging 8Minimal 5
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Access Clarity 37.6 26.3 +11.3 31
Contract Quality 26.1 19.8 +6.3 31
Developer Ergonomics 29.4 23.3 +6.1 31
Discoverability 64.9 61 +3.9 31
Operational Transparency 17.2 13.9 +3.3 31
Contract Governance 8.4 6.3 +2.1 31

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) 23% 10% +13
MCP server (first-party) 19% 9% +10
Agent Skills 0% 0% 0
OAuth scopes 10% 11% -1
Security 100% 97% +3
Arazzo workflows 3% 2% +1
Governance rules 19% 14% +5

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 EODHD 61.8
  2. 2 Intrinio 56
  3. 3 Marketstack 55.6
  4. 4 EOD Historical Data 49.4
  5. 5 Bitpanda 48.4
  6. 6 Dinari 47
  7. 7 Musaffa 47
  8. 8 Finage 45.8
  9. 9 FinancialData.Net 43.3
  10. 10 DriveWealth 41.9
Top by Agent Readiness
  1. 1 EODHD 66.3
  2. 2 Intrinio 46.8
  3. 3 DriveWealth 37.1
  4. 4 EOD Historical Data 35.4
  5. 5 eToro 33.2
  6. 6 Finage 32.3
  7. 7 Marketstack 29.2
  8. 8 Dinari 26.7
  9. 9 ValueRay 25.8
  10. 10 Bitpanda 25.4
All 31 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 9 September 2026, across 27528 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/etfs"
All tags
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort
curl "https://apis.io/api/v1/cohorts/tag/etfs"
The distribution (Pro)
curl "https://apis.io/api/v1/cohorts/tag/etfs/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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