keyword

12 amendments

Monthly search volume and cost-per-click data for "12 amendments" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=12+amendments&country=us" +--------------+------------------+ | volume | 49,500 | | cpc | $1 | | competition | 0 | | country | US | | updated | 2026-06-22 | +--------------+------------------+

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
12 amendments to the constitution	49,500	$1	16/20
amendment 12	40,500	$1.98	20/20
12th amendment	40,500	$1.98	19/20
what is the 12th amendment	4,400	$0	17/20
what was the 12th amendment	4,400	$0	16/20
12th amendment simplified	4,400	$0	14/20
amendment 12 simplified	4,400	$0	14/20
twelfth amendment	1,900	$2.19	20/20
the 12 amendments	1,600	$0.95	16/20
what did the 12th amendment do	1,300	$0	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://api.seodata.dev/v1/keyword?q=12+amendments&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