A source-aware research directory

Marketing data sources for SaaS and developer founders

Find public and first-party datasets for market research, content and demand discovery. Compare coverage, granularity, access requirements and limitations.

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Company and financial dataPublic data

SEC EDGAR APIs

Analyze public-company filings and reported financial facts using SEC-published data.

Coverage: Companies and filings submitted to the U.S. SEC · Company submissions, identifiers and XBRL facts

Public company filings APINo API fee stated by the SEC; access policies apply.

Reviewed 2026-10-09Coverage and caveats →

Access and coverage notes were checked 2026-10-09 against provider pages. Features, terms, APIs and release schedules can change; follow the linked source documentation before relying on a workflow.