keyword

free history textbooks

Monthly search volume and cost-per-click data for "free history textbooks" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=free+history+textbooks&country=us" +--------------+------------------+ | volume | 30 | | cpc | $17.5 | | competition | 0.08 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
us history textbook	4,400	$0.64	14/20
united states history textbook	4,400	$0.64	13/20
history textbook	1,900	$0.46	16/20
history textbooks online	170	$19.83	13/20
history textbook page	140	$0	12/20
history textbook pages	140	$0	11/20
free history textbook	30	$17.5	12/20
free history textbooks online	30	$11.08	12/20
free online history textbooks	30	$11.08	12/20
history textbook online free	30	$11.08	12/20

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=free+history+textbooks&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt