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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BuiltWith Technology and Website Intelligence APIs

Use BuiltWith for prospect research and technology adoption hypotheses across public websites.

Coverage: Coverage depends on the source's documented geographic and time scope · Provider-described dataset or API records available at the indicated geography and time scope.

Detected web technologies and domain historyFree access may be limited; commercial usage can be paid. Check current provider terms.

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.