keyword

what are written sources

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

$ curl "https://app.seodata.dev/v1/keyword?q=what+are+written+sources&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-24 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
primary sources of history	880	$9.84	5/20
what are primary sources in history	880	$4.84	5/20
primary source history	880	$9.84	4/20
what is a primary source in history	880	$0	4/20
about sources of history	480	$6.07	4/20
5 sources of history	40	$0	4/20
what is written sources	30	$0	16/20
what is a written source	30	$0	13/20
types of written sources of history	10	$0	7/20
material and written sources	0	$0	6/20

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+written+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