keyword

primary documents

Monthly search volume and cost-per-click data for "primary documents" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=primary-documents&country=us" +--------------+------------------+ | volume | 27,100 | | cpc | $11.16 | | competition | 0 | | country | US | | updated | 2026-03-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
primary sources	22,200	$20.21	20/20
what are primary sources	18,100	$0.03	19/20
primary information sources definition	12,100	$0	20/20
primary sources meaning	12,100	$0	19/20
primary sources definition	9,900	$0.08	20/20
primary source history	880	$9.84	20/20
primary sources of history	880	$9.84	20/20
what are primary sources in history	880	$4.84	20/20
what is a primary source in history	880	$0	20/20
primary references	90	$0	20/20

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/search-volume?q=primary-documents&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