keyword

ca books

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

$ curl "https://api.seodata.dev/v1/keyword?q=ca+books&country=us" +--------------+------------------+ | volume | 260 | | cpc | $1.01 | | competition | 0.26 | | country | US | | updated | 2026-06-26 | +--------------+------------------+

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
books ca	720	$1.63	5/20
california books	480	$0.91	5/20
books of ca	320	$0.14	10/20
book of ca	320	$0.14	6/20
books of california	320	$0.14	6/20
book for ca	320	$0.14	4/20
books from ca	260	$0.69	5/20
books from california	210	$1.38	5/20
books about california	140	$0.24	4/20
books california	90	$1.16	6/20

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=ca+books&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