keyword

first us labor union

Monthly search volume and cost-per-click data for "first us labor union" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=first+us+labor+union&country=us" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0 | | 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	$14.83	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
first unions in america	260	$0	18/20
first labor union in the us	260	$0	17/20
the first union in america	260	$0	17/20
first labor union in the united states	40	$0	18/20
when did labor unions start in the us	40	$0	17/20
who started unions in america	30	$0	17/20

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=first+us+labor+union&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