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keyword

3 doors theory

Monthly search volume and cost-per-click data for "3 doors theory" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=3+doors+theory&country=us" +--------------+------------------+ | volume | 70 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-17 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
monty hall paradox 40,500 $9.24 20/20
monty hall problem 40,500 $9.24 20/20
monty hall effect 40,500 $9.24 14/20
monty hall question 40,500 $9.24 14/20
monty hall problem explained 4,400 $0 20/20
the monty hall paradox 4,400 $0 20/20
monty hall math problem 210 $0 14/20
3 doors math problem 90 $0 15/20
three door theory 70 $0 15/20
3 doors problem explained 40 $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://app.seodata.dev/v1/keyword?q=3+doors+theory&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