keyword

free books textbooks

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

$ curl "https://api.seodata.dev/v1/keyword?q=free+books+textbooks&country=us" +--------------+------------------+ | volume | 1,000 | | cpc | $5.52 | | competition | 0.15 | | country | US | | updated | 2026-06-14 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
online textbook free	14,800	$5.08	20/20
free textbook websites	12,100	$13.17	12/20
websites for free textbooks	12,100	$9.74	11/20
textbooks free	9,900	$9.57	11/20
free textbooks pdf	5,400	$11.64	14/20
textbooks online free	4,400	$9.62	12/20
free online textbooks	4,400	$9.62	11/20
free textbooks online	4,400	$9.14	11/20
where to find free textbooks	2,400	$10.95	12/20
textbook websites free	40	$11.88	16/20

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://api.seodata.dev/v1/keyword?q=free+books+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