keyword

how many who was books are there

Monthly search volume and cost-per-click data for "how many who was books are there" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=how+many+who+was+books+are+there&country=us" +--------------+------------------+ | volume | 140 | | cpc | $0 | | competition | 0.03 | | country | US | | updated | 2026-05-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
who was	22,200	$1.89	11/20
who was what was books	14,800	$0.42	14/20
who was books	14,800	$0.42	12/20
who is books	14,800	$0.42	11/20
who was is books	14,800	$0.42	11/20
who was book series	4,400	$0.38	14/20
who is book series	4,400	$0.38	13/20
who is books series	4,400	$0.38	12/20
what was books	2,900	$0.6	13/20
who was series	1,900	$0.44	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=how+many+who+was+books+are+there&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