seodata.dev

keyword

who started slavery

Monthly search volume and cost-per-click data for "who started slavery" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=who+started+slavery&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $1.63 | | competition | 0.01 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
when did slavery start 22,200 $7.41 20/20
when did slavery start in america 9,900 $5.82 20/20
slavery history 3,600 $15.34 20/20
history of slavery 3,600 $14.17 19/20
how did slavery begin 2,900 $8.66 20/20
how did slavery start 2,900 $10.27 20/20
how slavery started 2,900 $8.66 20/20
who invented slavery 2,900 $0 20/20
when did slavery start and end 1,300 $5.75 20/20
why did slavery start 1,300 $16.77 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/keyword?q=who+started+slavery&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