keyword

causes for a headache

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

$ curl "https://api.seodata.dev/v1/keyword?q=causes+for+a+headache&country=us" +--------------+------------------+ | volume | 9,900 | | cpc | $0.94 | | competition | 0.14 | | country | US | | updated | 2026-06-27 | +--------------+------------------+

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
what causes headache	27,100	$1.4	20/20
what causes headaches	27,100	$1.75	20/20
headache cause	9,900	$1.1	20/20
what are headaches	9,900	$4.25	20/20
causes of headache	8,100	$0.99	20/20
causes of headaches	8,100	$1.16	20/20
headache causes	8,100	$1.12	20/20
headaches causes	8,100	$1.12	20/20
head pain	6,600	$1.51	20/20
what causes a headache	5,400	$1.91	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+for+a+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