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
Documentation
https://docs.kensho.com/llmreadyapi
APIReference
https://docs.kensho.com/llmreadyapi/api
Authentication
OIDC / OAuth 2.0 with public-private keypairs or refresh tokens
Specifications
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-auditors-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-ciqpro-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-company-groups-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-competitors-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-cusip-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-earnings-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-estimates-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-fundinground-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-fundingrounds-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-id-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-ids-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-info-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-isin-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-latest-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-line-item-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-market-cap-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-merger-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-mergers-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-price-chart-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-pricing-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-relationship-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-securities-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-segments-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-statements-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-ticker-groups-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-trading-item-groups-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-trading-items-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-transcript-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/openapi/sp-global-users-api-openapi.yml
OpenAPI
Harvested original (superseded by the per-tag refined specs above)
Other Resources
Overlay
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/overlays/sp-global-llmready-overlay.yaml
Overview
https://docs.kensho.com/llmreadyapi/overview
SDKs
kensho-kfinance Python library
SDKs
kFinance source on GitHub
Sandbox
LLM-ready API example notebooks (basic usage, function calling, code generation, LangChain)
MCPServer
kFinance MCP server (stdio, SSE, streamable-http transports)
SDKs
S&P Global Plugin for Claude Cowork (tearsheets, funding digests, earnings previews)
Signup
https://www.marketplace.spglobal.com/en/solutions/kensho-llm-ready-api-%28a156fe9f-5564-4f60-a624-95d8645dc98f%29
JSONLD
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/json-ld/sp-global-context.jsonld
APIsJSON
https://raw.githubusercontent.com/api-evangelist/sp-global/refs/heads/main/apis.yml