keyword

when was the us constitution adopted

Monthly search volume and cost-per-click data for "when was the us constitution adopted" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=when+was+the+us+constitution+adopted&country=us" +--------------+------------------+ | volume | 1,600 | | cpc | $0.97 | | competition | 0.01 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
when was the constitution written	40,500	$7.18	20/20
when was the constitution ratified	12,100	$2.93	20/20
when was the us constitution written	6,600	$3.5	19/20
constitution ratified	6,600	$3.44	18/20
us constitution date	2,400	$9.02	20/20
constitution of the united states date	2,400	$3.73	18/20
when was the constitution adopted	1,600	$0.97	20/20
when was the constitution of the united states adopted	1,600	$0.97	17/20
when was the constitution written and ratified	1,300	$4.41	20/20
us constitution ratified	1,300	$5.87	19/20

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=when+was+the+us+constitution+adopted&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