keyword

the history of unions in the united states

Monthly search volume and cost-per-click data for "the history of unions in the united states" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=the+history+of+unions+in+the+united+states&country=us" +--------------+------------------+ | volume | 480 | | cpc | $3.78 | | competition | 0.01 | | country | US | | updated | 2026-05-27 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
history of labor unions	1,300	$5.25	20/20
history of unions	1,300	$5.42	20/20
labor union history	1,300	$14.83	20/20
labor unions history	1,300	$5.42	20/20
unionism history	1,000	$5.28	18/20
history of american labor unions	480	$3.15	16/20
history of unions in united states	480	$3.15	16/20
labor unions history in america	480	$3.15	16/20
history of us labor unions	50	$0	16/20
when did labor unions start in the us	40	$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://app.seodata.dev/v1/keyword?q=the+history+of+unions+in+the+united+states&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