seodata.dev

keyword

mario and luigi are brothers

Monthly search volume and cost-per-click data for "mario and luigi are brothers" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=mario+and+luigi+are+brothers&country=us" +--------------+------------------+ | volume | 1,000 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-24 | +--------------+------------------+
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
mario and luigi are twins 2,400 $0 8/20
are mario and luigi brothers 1,900 $0 19/20
mario and luigi twins 1,900 $0 14/20
are mario and luigi twins 1,900 $0 12/20
luigi last name is mario 1,300 $0 9/20
mario luigi last name 1,300 $0 9/20
mario and luigi's brother 720 $0.15 10/20
is luigi older than mario 720 $0 9/20
is mario luigi's brother 30 $0 11/20
is luigi and mario brothers 30 $0 9/20

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=mario+and+luigi+are+brothers&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