keyword

book free

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

$ curl "https://api.seodata.dev/v1/keyword?q=book+free&country=us" +--------------+------------------+ | volume | 33,100 | | cpc | $5.45 | | competition | 0.35 | | country | US | | updated | 2026-06-05 | +--------------+------------------+

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
book for reading free	40,500	$3.82	20/20
books read free	40,500	$3.82	20/20
books reading free	40,500	$3.82	20/20
books free	33,100	$5.45	20/20
free books	33,100	$3.88	20/20
digital book free	22,200	$3.27	20/20
free website for books	14,800	$22.04	20/20
book online free	5,400	$3.26	20/20
free electronic books	3,600	$2.45	20/20
book to read for free	2,400	$3.25	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://api.seodata.dev/v1/keyword?q=book+free&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