keyword

classification systems:

Monthly search volume and cost-per-click data for "classification systems:" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=classification+systems:&country=us" +--------------+------------------+ | volume | 320 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-23 | +--------------+------------------+

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
classification in biology	3,600	$0	8/20
classification biology	3,600	$0	7/20
what is biological classification	2,900	$0	7/20
what is classification in biology	2,900	$0	7/20
classification system in biology	1,600	$0	8/20
the system of classification	1,600	$0	8/20
classification systems	1,300	$0	19/20
classification system	1,300	$0	16/20
system classification	1,300	$0	8/20
system of classification	70	$0	9/20

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=classification+systems:&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