emerging · -0.9 capabilitymarket resourcedomain

Indices

Score 21.7 / 100 11 providers +23 via APIs 32 APIs Search apis.io →
Business capabilities this tag reaches
Cybersecurity Management 1

Providers using this tag (11)

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

Strong 2 Solid coverage with minor gaps
Massive (formerly Polygon.io)FinanceFintechMarket DataStocks70 APIs64.9ThetaDataFinanceMarket DataOptionsStocks1 API59.9
Developing 4 Usable, with meaningful gaps to close
FinageFinanceMarket DataStocksForeign Exchange1 API44.3Market DataMarket DataFinancial DataStocksOptions2 APIs52.7JPX (Japan Exchange Group)FinanceMarket DataStocksExchange8 APIs51.6KaikoWeb3CryptocurrencyMarket DataInstitutional1 API50.9
Thin 4 Limited public surface area
iTickFinancial DataMarket DataStocksForeign Exchange1 API38.7Capital.com Public APICFDCommoditiesCryptocurrencyFinance8 APIs31.3StooqFintechMarket DataStocks1 API28.5EuronextFinanceMarket DataStocksExchange5 APIs29.0
Emerging 1 Early or largely undocumented
Bloomberg IndicesFixed IncomeEquityCommodities3 APIs17.6

APIs with this tag (31)

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 2 Complete, well-documented, and agent-ready
Elastic Indices APIManage indices, mappings, and settings.77.6Elastic Stack (ELK Stack) Indices APIThe indices API from Elastic Stack (ELK Stack) — 63 operation(s) for indices.76.9
Strong 10 Solid coverage with minor gaps
Polygon.io Indices APIReal-time and historical index values for major US and global indices via REST and WebSocket.64.9Nordic Financial News Indices APIThe Indices API from Nordic Financial News — 3 operation(s) for indices.63.9Amazon Q Indices APIThe Indices API from Amazon Q — 1 operation(s) for indices.62.3Amazon IoT Core Indices APIThe Indices API from Amazon IoT Core — 7 operation(s) for indices.59.2Amazon IoT Device Management Indices APIThe Indices API from Amazon IoT Device Management — 7 operation(s) for indices.59.0Amazon IoT Device Defender Indices APIThe Indices API from Amazon IoT Device Defender — 7 operation(s) for indices.58.5Amazon Web Services Indices APIThe Indices API from Amazon Web Services — 7 operation(s) for indices.58.5EODHD Indices APIS&P/Dow Jones indices data and components55.9VulnCheck Indices APIThe indices API from VulnCheck — 508 operation(s) for indices.55.6Bloomberg Market Data APIProvides real-time and historical market data, including stock prices, indices, commodities, and currencies.54.8
Developing 9 Usable, with meaningful gaps to close
Market Data Indices APIReal-time and historical index candles and quotes.52.7J-Quants Indices APIDaily OHLC for TOPIX and other JPX indices under /v2/indices/* endpoints, with plan-gated access (TOPIX fro...51.6Kaiko IndicesRegulated benchmark crypto indices designed for fund administrators and ETF/ETP issuers.50.9Kaiko Indices APIIndex composition and replication data.50.9Meta Agent Tools Indices APIThe Indices API from Meta Agent Tools — 3 operation(s) for indices.50.4Cboe Delayed Quotes APIPublic, unauthenticated JSON endpoints served from cdn.cboe.com that back the delayed-quote pages on cboe.c...49.4VTEX Indices APIThe Indices API from VTEX — 2 operation(s) for indices.47.5TickerLayer APITickerLayer API as documented publicly: 21 operations. Contract generated from the documentation by API Eva...46.3Finage Indices APIThe Indices API from Finage — 3 operation(s) for indices.44.3
Thin 8 Limited public surface area
iTick Market Data APIToken-authenticated REST and WebSocket API for real-time and historical financial market data across crypto...38.7Xignite Global Indices APIStock market index and benchmark values with chart bars and index metadata from the globalindices.xignite.c...38.6Forum Indices APIAttention index values and history38.3TMX Data Science API V2 (Insight API)Second-generation GET-based REST surface on insightapi.tmxanalytics.com/v2 covering broker analytics, issue...37.4Pixxel Indices APIThe Indices API from Pixxel — 1 operation(s) for indices.36.8Goldman Sachs Index Services APIThe Index Services API provides access to the full range of Goldman Sachs indices, systematic trading strat...34.1Planet Processing APIRun custom processing scripts on raw bands and derive indices (NDVI, EVI, etc.) over Planet imagery without...31.5Euronext Web Services Indices APIIndex-level data for Euronext indices delivered through the Euronext Web Services JSON API, documented in a...29.0
Emerging 2 Early or largely undocumented
EDI Index Constitution APIIndex constituent reference data via the GetReferenceNameForIndexConstituents endpoint.26.1J-Quants Indices APIThe Indices API from J-Quants — 1 operation(s) for indices.23.9

Companies reaching this through an API (23)

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

Amazon IoT Core Amazon IoT Device Defender Amazon IoT Device Management Amazon Q Amazon Web Services Bloomberg Cboe Global Markets Elastic Elastic Stack EODHD Exchange Data International Forum Goldman Sachs J-Quants Meta Agent Tools Nordic Financial News Pixxel Planet Labs TickerLayer TMX Group VTEX VulnCheck Xignite

Score breakdown

Frequency
46.7
log-scaled weighted occurrences
Breadth
0.2
spread across providers
Quality lift
44.8
mean composite of providers using it
Cohesion
6.5
strength of nearest seed neighbor

Where this tag sits

Market Data broader

Related tags

Stocks 16 co-occurrences Corporate Actions 5 co-occurrences Options 10 co-occurrences Futures 7 co-occurrences Derivatives 9 co-occurrences Historical Data 7 co-occurrences Exchange 9 co-occurrences Market Data 20 co-occurrences

Where this tag comes from

Api tag31
Provider tag11
Openapi tag13
Openapi op tag31

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

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.