keyword

how many years did the transatlantic slave trade nearly span

Monthly search volume and cost-per-click data for "how many years did the transatlantic slave trade nearly span" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=how+many+years+did+the+transatlantic+slave+trade+nearly+span&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-23 | +--------------+------------------+

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
transatlantic slave trade	18,100	$16.52	12/20
slave traders	14,800	$12.14	12/20
trade of slaves	14,800	$12.14	11/20
slave trade	14,800	$23.79	10/20
transatlantic slavery	14,800	$14.44	10/20
when did the atlantic slave trade start	2,900	$0	10/20
transatlantic trade	1,900	$0	10/20
the slave trade	1,600	$10.56	13/20
what is the transatlantic slave trade	1,600	$0	11/20
when did the transatlantic slave trade start	1,600	$28.95	10/20

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+many+years+did+the+transatlantic+slave+trade+nearly+span&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