keyword

book california

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

$ curl "https://api.seodata.dev/v1/keyword?q=book+california&country=us" +--------------+------------------+ | volume | 110 | | cpc | $2.88 | | competition | 0.12 | | 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
california books	480	$0.91	6/20
books about california history	390	$0.51	5/20
california book	320	$0.14	10/20
books of california	320	$0.14	7/20
book about california	140	$0.24	8/20
book on california	140	$0.24	7/20
books in california	140	$0.24	7/20
books on california	140	$0.28	6/20
books about california	140	$0.24	5/20
ca novel	140	$0.32	5/20

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+california&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