keyword

c15

Monthly search volume and cost-per-click data for "c15" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=c15&country=us" +--------------+------------------+ | volume | 8,100 | | cpc | $11.22 | | competition | 0.18 | | country | US | | updated | 2026-06-07 | +--------------+------------------+

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
c-15	8,100	$11.22	8/20
c15 supplement	6,600	$5.18	12/20
c15 fatty acid	4,400	$8.24	12/20
c15 caterpillar	3,600	$1.84	8/20
caterpillar c15	2,900	$2.07	9/20
c15:0	2,400	$7.47	10/20
c15:0 supplement	1,600	$4.29	12/20
cat c15 engine	1,600	$1.82	8/20
where to buy c15 supplement	1,000	$3.31	10/20
what is c15	1,000	$7.71	9/20

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=c15&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