keyword

how long did slaves work

Monthly search volume and cost-per-click data for "how long did slaves work" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=how+long+did+slaves+work&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-28 | +--------------+------------------+

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
slavery	60,500	$6.03	11/20
when did slavery start	22,200	$7.41	12/20
slavery in america	12,100	$6.52	10/20
slaves in america	12,100	$6.52	10/20
who started slavery	4,400	$1.63	10/20
slavery facts	1,600	$14.16	10/20
when did slavery start and end	1,300	$5.75	12/20
history of slavery in the world	1,300	$9.55	10/20
slavery in the south	1,300	$10.63	10/20
what was slavery	590	$0	12/20

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=how+long+did+slaves+work&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