Financial documents from their source. Structured. Live. Summaries. Institutional Search. Financials.
Callistra delivers primary company documents from public companies locally. Live and historical earning calls, investor events with their transcripts. Filings, reports, slide presentations and then summaries. The proprietary, low-latency Callistra search engine which powers Callistra's AI Agents and search across news, company documents, broker research and expert insights. Financials and KPIs API. Integrate within an afternoon. Scale to millions of queries.
50K+
Companies covered
80+
Financial markets covered
80M+
Financial documents
Who's it for:

AI & LLMs
Integrate world class, complete, and the most comprehensible data for global financial markets.

Quantitative Finance, Hedge Funds and Asset Managers
Run NLP workflows and fine-tune models. Build proprietary workflows at scale. 50K+ companies under a stable identity.

Financial Research Platforms
Backfill data gaps, across thousands of companies and millions of documents.

Brokerage firms, trading applications
Provide retail users with institutional intelligence.
Why choose Callistra
Structured for LLMs and AI
Structured datasets by companies. Documents aren't just downloadable files. They're parsed, indexed, searchable and ready for retrieval. From investor documents to earnings transcripts, identified by speakers.
One company graph
Documents, events, transcripts and financials resolve against consistent company identities across markets and listings.
Search included
Don't build your own financial retrieval stack. Query the same search infrastructure powering Callistra.
Global by design
Research companies across North America, Europe, Asia-Pacific, India, the Middle East and Australia/New Zealand other major markets.
30 Unique Datasets, 5 unique APIs.
Events API
Markets happen live.Access live and historical company events with audio and transcripts.
Live Datasets
Live earnings calls
Earnings calls, investor days, conferences and other company events. No registration. Ultra-low latency.
Live transcripts
Transcript segments delivered as events happen.
Historical transcripts
Searchable transcripts with timestamps, speakers and event metadata.
Historical audio
Original event audio linked against companies and events.
Documents API
Every company document. One interface.Access company filings and investor-relations material across global markets.
Coverage
Annual reports
Quarterly reports
Exchange filings
Investor presentations
Earnings releases
Regulatory announcements
M&A documents
IPO documents & prospectuses
ESG reports
IR Material
News
Delivery
Retrieve original documents or machine-readable parsed content with normalized company metadata. No need to maintain OCR workers and parsers.
Search API
Search financial information like Callistra.Give developers direct access to the retrieval layer powering Callistra.
Capabilities
Keyword search
Precise lexical retrieval across company information.
Semantic search
Find information by meaning, not exact wording.
Hybrid retrieval
Combine semantic and keyword signals for financial research.
Metadata filtering
Filter by company, geography, exchange, document type, fiscal period, date and other metadata.
No need to ingest millions of PDFs, embed them, maintain vector infrastructure, map tickers and build ranking.
Summaries API
Know what changed without reading everything.Every newly ingested company document can be accompanied by structured AI-generated intelligence.
Summary types
Earnings call summaries
Mergers & Acquisitions
Key news & developments
Capital raise summaries
Product releases
Industry commentary
Sentiment evolution
Financials API
Global financials. Normalized.Access standardized financial statements, company fundamentals, key metrics and KPIs through consistent schemas.
Coverage
Income statements
Balance sheets
Cash flow statements
Historical financials
Quarterly & annual periods
Company fundamentals
Reported + standardized values
KPIs
Developer documentation
Complete developer documentation, endpoint references, help guides and FAQs with authentication, SLA definition and code examples.

Integration route
Data scope
A sales representative with a member of engineering discusses your use case, data requirements, expected volume and scope.
- Map required datasets
- Define scope
- Run demo examples
Testing and development
Begin testing essential workflows.
- Receive sandbox credentials
- Integrate against production compatible APIs
- Run tests and monitoring
Validation
Validate data quality, search performance and workflows against your application.
- Finalise data models
- Benchmark performance
- Begin production beta testing
Scale & Support
Move to production with agreed usage limits, support and SLAs.
- Continuous updates
- 24/7 support
- Pay as you go available in case of usage limits exceeded.
