seodata.dev

keyword

what causes mental illness

Monthly search volume and cost-per-click data for "what causes mental illness" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+causes+mental+illness&country=us" +--------------+------------------+ | volume | 2,400 | | cpc | $3.12 | | competition | 0.05 | | country | US | | updated | 2026-06-20 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
mental disorders definition 12,100 $2.1 20/20
mental disorder definition 9,900 $2.64 20/20
what is a mental illness 8,100 $2.83 20/20
what is mental health illness 8,100 $3.97 20/20
what are mental disorders 4,400 $0.85 20/20
what is a mental disorder 4,400 $0.85 20/20
what is mental illness 4,400 $3.98 20/20
what causes mental disorders 2,400 $3.12 20/20
what causes mental health problems 2,400 $3.09 20/20
what causes mental illnesses 2,400 $3.12 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=what+causes+mental+illness&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