keyword

books free

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

$ curl "https://app.seodata.dev/v1/keyword?q=books+free&country=us" +--------------+------------------+ | volume | 33,100 | | cpc | $5.45 | | competition | 0.35 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# 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
free books online	40,500	$3.83	20/20
book free	33,100	$5.45	20/20
free books	33,100	$3.88	20/20
reading books free	33,100	$3.88	20/20
free digital book	22,200	$2.91	20/20
free website for books	14,800	$22.04	20/20
books free to read	9,900	$2.5	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/keyword?q=books+free&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