keyword

coi

Monthly search volume and cost-per-click data for "coi" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=coi&country=us" +--------------+------------------+ | volume | 49,500 | | cpc | $30.94 | | competition | 0.42 | | 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
coi's	49,500	$30.63	16/20
certificate of insurance	18,100	$31.43	15/20
what is coi	12,100	$17.6	14/20
certificate of insurance liability	6,600	$30.48	14/20
insurance certificate	6,600	$16.08	12/20
certificate of liability insurance	6,600	$30.48	11/20
liability insurance certificate	6,600	$33.26	11/20
coi insurance	5,400	$40.33	20/20
certificate of insurance for business	3,600	$66.84	16/20
what coi	590	$11.77	11/20

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=coi&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