seodata.dev

keyword

what is headache

Monthly search volume and cost-per-click data for "what is headache" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+headache&country=us" +--------------+------------------+ | volume | 9,900 | | cpc | $2.3 | | competition | 0.1 | | country | US | | updated | 2026-06-18 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
headache 135,000 $2.05 20/20
headaches 135,000 $2.84 20/20
types of headache 110,000 $0.57 20/20
what causes headache 27,100 $1.75 20/20
what causes headaches 27,100 $1.75 20/20
headache cause 9,900 $1.1 20/20
headache is 9,900 $2.3 20/20
what are headaches 9,900 $4.25 20/20
what is a headache 9,900 $0.78 20/20
headaches causes 8,100 $1.12 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+is+headache&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