keyword

what are historical sources

Monthly search volume and cost-per-click data for "what are historical sources" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+are+historical+sources&country=us" +--------------+------------------+ | volume | 170 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
historical source	720	$0	11/20
what is historical sources	170	$0	15/20
what is a historical source	170	$0	14/20
what are sources in history	170	$0	13/20
what are sources of history	170	$0	12/20
what is a source history	170	$0	12/20
what are history sources	170	$0	11/20
what is historical source	140	$0	13/20
what is a source in history	140	$0	12/20
historical sources definition	50	$0	14/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=what+are+historical+sources&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt