The intelligence layer for global markets.
Everything said and filed by public companies, worldwide — structured for AI and delivered in real-time.
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One data engine. Two ways to access it.
Powering investment professionals, financial research platforms, and AI.

Callistra Pro
AI for financial research

Callistra API
The world's leading company research layer
Proprietary financial intelligence, built for scale
A global data layer for investment professionals, research platforms, and financial AI.

Research faster
Search millions of filings, transcripts, presentations, broker reports, and financial documents instantly.

Stay ahead
Follow earnings, events, disclosures, and company developments as they happen.

Trace every insight
Go from any answer directly to the source material behind it.

Find the signal
Surface changes in financials, guidance, KPIs, strategy, broker research and management commentary.
Callistra MCP connects your existing AI workflows to financial documents and research available for 48K+ public companies.
Pull live transcripts, financial documents, investor relations material and broker research into your existing workflows and sessions with Claude, ChatGPT, Codex or Claude Code. Combine Callistra's research capabilities with any other data to run agentic workflows and monitoring.

Included with Callistra at no extra cost.
Learn moreCallistra API, the world's leading financial research layer
Structured for AI workflows, delivered in real-time with ultra low latency.

Why developers choose Callistra
AI-ready financial research data
Structured events data with speaker-identified transcripts built for AI search.
One API, one dependency
No manual data engineering, no third party middleware, consistent identifiers across audio, financial filings, investor relation documents and broker research.
Complete global coverage
Earnings calls, AGMs, investor meets, capital market days, IPOs and more. Live and historical.
Financial intelligence, now structured.
About CallistraFinancial research has never suffered from a lack of information. The problem has been turning fragmented company disclosures, earnings materials, management commentary, market data and broker research into something investors can actually search, connect, and analyze. Critical information remains spread across exchanges, corporate websites, filings, event streams, and disconnected databases.
Callistra brings that information into a single financial intelligence layer. Our proprietary data engine continuously collects, resolves, structures, and enriches public-market information across global markets, making it accessible through two products: Callistra Research, an intelligence workspace for investment professionals, and Callistra Data, infrastructure for financial platforms, applications, and AI systems.
From fundamental research and monitoring to search, analytics, and AI-native workflows, Callistra is built for organizations that need financial information to be comprehensive, traceable, and ready to use—not simply available.

48,000+
Companies covered
65+
Markets covered
100M+
First-party documents
Great research starts with complete context.
Callistra connects the documents, data, events, and external signals surrounding thousands of companies into one AI-powered research environment built for professional investors.
