keyword

who was biography series

Monthly search volume and cost-per-click data for "who was biography series" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=who+was+biography+series&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0.66 | | competition | 0.19 | | country | US | | updated | 2026-05-24 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
who was	22,200	$1.89	15/20
who is book	14,800	$0.42	18/20
who was books	14,800	$0.31	17/20
who was i books	14,800	$0.31	17/20
who was is books	14,800	$0.42	15/20
who is book series	4,400	$0.38	18/20
who was book series	4,400	$0.38	17/20
who book series	4,400	$0.35	16/20
who was series	1,900	$0.44	18/20
who is biography series	50	$0.1	16/20

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=who+was+biography+series&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