keyword

first amendment

Monthly search volume and cost-per-click data for "first amendment" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=first-amendment&country=us" +--------------+------------------+ | volume | 135,000 | | cpc | $4.44 | | competition | 0.01 | | country | US | | updated | 2026-03-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
1st amendment	90,500	$6.71	20/20
what is the 1st amendment	49,500	$9.37	20/20
what is the first amendment	49,500	$9.37	20/20
what was the first amendment	40,500	$1.73	20/20
1st amendment rights	33,100	$12.26	20/20
first amendment right	33,100	$12.26	20/20
first amendment rights	33,100	$6.34	20/20
the first amendment	22,200	$6.13	20/20
freedom of expression amendment	18,100	$6.79	20/20
the first amendment to the constitution	18,100	$2.5	20/20

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/search-volume?q=first-amendment&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