keyword

e is

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

$ curl "https://api.seodata.dev/v1/keyword?q=e+is&country=us" +--------------+------------------+ | volume | 8,100 | | cpc | $1.87 | | competition | 0.05 | | country | US | | updated | 2026-06-22 | +--------------+------------------+

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
e constant	22,200	$0.35	20/20
e mathematical constant	22,200	$0.33	20/20
euler's number	22,200	$0.33	20/20
neper number	22,200	$0.07	20/20
number e	22,200	$0.33	20/20
what is e	12,100	$0	20/20
value of e	6,600	$0	20/20
what is e in math	6,600	$0	20/20
e number	4,400	$4.93	20/20
e in math symbol	3,600	$0	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=e+is&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