seodata.dev

keyword

400 richest americans

Monthly search volume and cost-per-click data for "400 richest americans" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=400+richest+americans&country=us" +--------------+------------------+ | volume | 110 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-06 | +--------------+------------------+
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
richest person in america 18,100 $6.4 9/20
wealthiest americans 18,100 $6.4 9/20
richest man in us 14,800 $5.71 10/20
richest man in america 14,800 $5.71 9/20
forbes 400 3,600 $0 16/20
richest in the us 880 $0.07 10/20
forbes 400 list 720 $0 10/20
forbes richest 400 390 $0 13/20
richest 400 in america 110 $0 11/20
the forbes 400 40 $0 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=400+richest+americans&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