S&P Global

S&P Global LLM-Ready API (kFinance)

REST API and Model Context Protocol server exposing S&P Capital IQ Financials, Market Data, Business Relationships, Earnings Call Transcripts, Company Intelligence, M&A Transactions, and Global Securities information to LLMs and agentic AI applications. Distributed via the kensho-kfinance Python library and an MCP server compatible with Claude, ChatGPT, Microsoft Copilot Studio, Amazon QuickSuite, Databricks, and Mistral. 60 documented REST endpoints across companies, securities, statements, estimates, transcripts, mergers, funding rounds, and identifier crosswalks.

Documentation GitHub OpenAPI

Operations 1

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

POST /api/v1/auditors/ Look up a company's financial auditors · Auditors create #

Ask an LLM

“Who audits this company's financial statements?”

“Can I see which audit firms a company used over a range of years?”

Tell an agent

List the auditors of company {company_id}.

Show the auditors for company {company_id} from {start_year} to {end_year}.

Documentation

https://docs.kensho.com/llmreadyapi

https://docs.kensho.com/llmreadyapi/api

OIDC / OAuth 2.0 with public-private keypairs or refresh tokens

Specifications

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-auditors-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-ciqpro-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-company-groups-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-competitors-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-cusip-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-earnings-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-estimates-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-fundinground-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-id-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-ids-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-info-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-isin-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-latest-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-line-item-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-market-cap-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-merger-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-mergers-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-price-chart-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-pricing-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-relationship-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-securities-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-segments-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-statements-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-ticker-groups-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-trading-item-groups-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-trading-items-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-transcript-api-openapi.yml

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-users-api-openapi.yml

Harvested original (superseded by the per-tag refined specs above)

Other Resources

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/overlays/sp-global-llmready-overlay.yaml

https://docs.kensho.com/llmreadyapi/overview

kensho-kfinance Python library

kFinance source on GitHub

LLM-ready API example notebooks (basic usage, function calling, code generation, LangChain)

kFinance MCP server (stdio, SSE, streamable-http transports)

S&P Global Plugin for Claude Cowork (tearsheets, funding digests, earnings previews)

https://www.marketplace.spglobal.com/en/solutions/kensho-llm-ready-api-%28a156fe9f-5564-4f60-a624-95d8645dc98f%29

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/json-ld/sp-global-context.jsonld

https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/apis.yml

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OpenAPI Specification

openapi: 3.2.0
info:
  title: LLM-ready Auditors API
  version: 0.1.0
  description: S&P Global Market Intelligence kFinance dataset via LLM-Ready API
servers:
- url: https://kfinance.kensho.com
tags:
- name: Auditors
paths:
  /api/v1/auditors/:
    post:
      operationId: auditors_create
      description: Get the financial auditors of a given company id
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AuditorRequest'
          application/x-www-form-urlencoded:
            schema:
              $ref: '#/components/schemas/AuditorRequest'
          multipart/form-data:
            schema:
              $ref: '#/components/schemas/AuditorRequest'
        required: true
      security:
      - cookieAuth: []
      - Kensho_JWT_Auth: []
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AuditorResponse'
              examples:
                AuditorExample:
                  value:
                    '21719':
                      CY2025/FY2025:
                      - auditor_company_id: '97518'
                        auditor_name: Ernst & Young LLP
                      CY2024/FY2024:
                      - auditor_company_id: '97518'
                        auditor_name: Ernst & Young LLP
                  summary: '21719'
          description: Indicates a successful request.
        '403':
          description: Indicates that the authorization is missing or invalid.
      tags:
      - Auditors
      summary: Auditors create
      x-summary-source: derived
components:
  schemas:
    AuditorResponse:
      type: object
      properties:
        results:
          type: object
          additionalProperties:
            type: object
            additionalProperties:
              type: array
              items:
                $ref: '#/components/schemas/AuditorEntry'
        errors:
          type: object
          additionalProperties:
            type: string
            title: error
      required:
      - errors
      - results
    NullEnum:
      enum:
      - null
    AuditorRequest:
      type: object
      description: Request fields for post_financial_auditors
      properties:
        company_id:
          type: integer
        start_year:
          type:
          - integer
          - 'null'
          maximum: 9999
          minimum: 1000
        end_year:
          type:
          - integer
          - 'null'
          maximum: 9999
          minimum: 1000
        calendar_type:
          oneOf:
          - $ref: '#/components/schemas/CalendarTypeEnum'
          - $ref: '#/components/schemas/NullEnum'
      required:
      - company_id
    CalendarTypeEnum:
      enum:
      - fiscal
      - calendar
      type: string
      description: '* `fiscal` - fiscal

        * `calendar` - calendar'
    AuditorEntry:
      type: object
      properties:
        auditor_company_id:
          type: string
        auditor_name:
          type: string
      required:
      - auditor_company_id
      - auditor_name
  securitySchemes:
    Kensho_JWT_Auth:
      type: http
      scheme: bearer
      bearerFormat: JWT
    cookieAuth:
      type: apiKey
      in: cookie
      name: sessionid