seodata.dev

keyword

first chief justice

Monthly search volume and cost-per-click data for "first chief justice" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=first+chief+justice&country=us" +--------------+------------------+ | volume | 720 | | 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
first supreme court justice 201,000 $10.37 20/20
first supreme court justices 201,000 $0 20/20
first supreme court chief justice 3,600 $0 20/20
first chief justice of the supreme court 3,600 $0 13/20
first chief justice of the united states 720 $0 14/20
who was the first chief justice of the supreme court 720 $0 13/20
who was the first supreme court chief justice 720 $0 13/20
who was the first chief justice 480 $0 16/20
who was the first chief justice of the united states 480 $0 16/20
the first chief justice of the united states was 30 $0 15/20

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=first+chief+justice&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