keyword

causes of headache

Monthly search volume and cost-per-click data for "causes of headache" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=causes+of+headache&country=us" +--------------+------------------+ | volume | 8,100 | | cpc | $1.16 | | competition | 0.2 | | 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
headaches	135,000	$2.84	20/20
what causes headache	27,100	$1.4	20/20
what causes headaches	27,100	$1.75	20/20
what causes the headache	27,100	$1.09	20/20
what is the cause for headache	27,100	$1.4	20/20
why do i have a headache	12,100	$3.02	20/20
causes for a headache	9,900	$0.94	20/20
causes for headaches	9,900	$1.1	20/20
headache cause	9,900	$1.1	20/20
what are headaches	9,900	$4.25	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://api.seodata.dev/v1/keyword?q=causes+of+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