S&P Global Entity Resolution API
Entity linking and resolution operations
Work with this as data
Every API 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 apis
7 MCP tools reach this
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.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.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/s-and-p-global-entity-resolution-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"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.
A second provider on the same verified email joins the account you already have.
OpenAPI Specification
openapi: 3.2.0
info:
title: Kensho Link Entity Resolution API
description: S&P Global Kensho Link REST API for entity resolution and linking across financial instruments, companies, people, and other entities. Provides a canonical entity identifier (KEID) layer that links entities across S&P Global data assets including Capital IQ, Market Intelligence, and Platts. Used for data integration and entity disambiguation in financial analytics.
version: 1.0.0
contact:
name: Kensho Technologies
url: https://api.link.kensho.com/docs/guides/rest-api/
termsOfService: https://www.spglobal.com/en/terms-of-use
servers:
- url: https://api.link.kensho.com
description: Kensho Link production API
tags:
- name: Entity Resolution
description: Entity linking and resolution operations
paths:
/link:
post:
operationId: linkEntity
summary: Link Entity to Canonical Identifier
description: Resolves one or more entity mentions to their canonical Kensho Entity Identifier (KEID). Accepts entity names, aliases, ticker symbols, CUSIP, ISIN, or other identifiers and returns the canonical entity record.
tags:
- Entity Resolution
security:
- BearerAuth: []
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/LinkRequest'
responses:
'200':
description: Entity resolution results
content:
application/json:
schema:
$ref: '#/components/schemas/LinkResponse'
'400':
description: Invalid request format
'401':
description: Unauthorized - invalid or missing token
'429':
description: Rate limit exceeded
/entity/{keid}:
get:
operationId: getEntity
summary: Get Entity by KEID
description: Returns the full canonical entity record for a given Kensho Entity Identifier (KEID), including names, aliases, entity type, and cross-references to other S&P Global identifiers.
tags:
- Entity Resolution
security:
- BearerAuth: []
parameters:
- name: keid
in: path
required: true
description: Kensho Entity Identifier (KEID) for the entity
schema:
type: string
example: keid_abc12345
responses:
'200':
description: Entity record
content:
application/json:
schema:
$ref: '#/components/schemas/Entity'
'401':
description: Unauthorized
'404':
description: Entity not found
components:
schemas:
EntityMention:
type: object
required:
- text
properties:
text:
type: string
description: Entity mention text or identifier
example: Apple Inc
identifierType:
type: string
description: Type of identifier provided
enum:
- name
- ticker
- cusip
- isin
- cik
- lei
example: name
EntityCandidate:
type: object
properties:
keid:
type: string
description: Kensho Entity Identifier
example: keid_abc12345
name:
type: string
description: Canonical entity name
example: Apple Inc.
entityType:
type: string
description: Entity type classification
example: company
confidence:
type: number
format: double
description: Confidence score for this candidate (0.0 to 1.0)
minimum: 0
maximum: 1
example: 0.98
crossReferences:
$ref: '#/components/schemas/CrossReferences'
LinkResult:
type: object
properties:
mention:
$ref: '#/components/schemas/EntityMention'
candidates:
type: array
description: Ranked entity candidates sorted by confidence score
items:
$ref: '#/components/schemas/EntityCandidate'
Entity:
type: object
properties:
keid:
type: string
description: Kensho Entity Identifier
example: keid_abc12345
name:
type: string
description: Canonical entity name
example: Apple Inc.
aliases:
type: array
description: Alternative names and aliases
items:
type: string
example:
- Apple
- AAPL
entityType:
type: string
description: Entity type classification
example: company
description:
type: string
description: Brief entity description
crossReferences:
$ref: '#/components/schemas/CrossReferences'
LinkRequest:
type: object
required:
- mentions
properties:
mentions:
type: array
description: List of entity mentions to resolve
items:
$ref: '#/components/schemas/EntityMention'
context:
type: string
description: Optional surrounding text context to improve resolution accuracy
LinkResponse:
type: object
properties:
results:
type: array
items:
$ref: '#/components/schemas/LinkResult'
CrossReferences:
type: object
description: Cross-references to identifiers in other systems
properties:
spglobalCompanyId:
type: string
description: S&P Global Company ID (Capital IQ)
example: 0078552
ticker:
type: string
description: Primary exchange ticker symbol
example: AAPL
cusip:
type: string
description: CUSIP identifier
example: 037833100
isin:
type: string
description: ISIN identifier
example: US0378331005
lei:
type: string
description: Legal Entity Identifier
example: HWUPKR0MPOU8FGXBT394
securitySchemes:
BearerAuth:
type: http
scheme: bearer
bearerFormat: JWT