keyword

book online

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

$ curl "https://app.seodata.dev/v1/keyword?q=book+online&country=us" +--------------+------------------+ | volume | 22,200 | | cpc | $2.88 | | competition | 0.8 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
books web	27,100	$11.36	20/20
books online	22,200	$2.88	20/20
online book	22,200	$3.41	20/20
online books	22,200	$3.41	20/20
book site	14,800	$13.64	20/20
book websites	12,100	$14.23	20/20
books to read online	9,900	$2.59	19/20
online reading	4,400	$2.3	20/20
online books to read	3,600	$3.91	20/20
reading books online	2,400	$4.49	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=book+online&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