keyword

best selling happiness books

Monthly search volume and cost-per-click data for "best selling happiness books" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=best+selling+happiness+books&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 1 | | country | US | | updated | 2026-06-24 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
books for happiness	2,400	$1.15	18/20
books to be happier	480	$0.53	19/20
books about happiness	480	$0.33	18/20
book happiness	480	$0.53	17/20
books to be happy	390	$0.53	17/20
books on how to be happy	390	$0.7	14/20
best selling books about happiness	40	$0	15/20
best selling book on happiness	40	$0	14/20
happiness book bestseller	40	$0	13/20
happiness books bestsellers	40	$0	13/20

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=best+selling+happiness+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