keyword

biology book online

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

$ curl "https://api.seodata.dev/v1/keyword?q=biology+book+online&country=us" +--------------+------------------+ | volume | 50 | | cpc | $0 | | competition | 0.41 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

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
biology textbook	18,100	$0.9	20/20
biology online textbook	210	$6.62	14/20
biology textbook online	210	$6.62	13/20
biology read online	140	$0	12/20
biology book online free	70	$7.71	13/20
free biology books online	70	$7.71	12/20
biology books online	50	$1.7	15/20
online biology books	50	$1.7	14/20
online free biology textbook	50	$0	12/20
free biology book	40	$10.11	12/20

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=biology+book+online&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