keyword

controlled substance def

Monthly search volume and cost-per-click data for "controlled substance def" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=controlled+substance+def&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-07-01 | +--------------+------------------+

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
controlled substance	18,100	$2.27	20/20
controlled substances	18,100	$14.78	17/20
what is a controlled substance	9,900	$0	20/20
controlled substance definition	2,400	$0	20/20
meaning of controlled substance	2,400	$0	16/20
definition of controlled substance	2,400	$0	14/20
define controlled substance	2,400	$0	13/20
controlled medicine	1,600	$4.88	18/20
controlled medications	1,600	$4.91	14/20
controlled substance meaning	720	$0	15/20

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=controlled+substance+def&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