keyword

esi mass

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

$ curl "https://api.seodata.dev/v1/keyword?q=esi+mass&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0.09 | | country | US | | updated | 2026-06-21 | +--------------+------------------+

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
esi-ms	4,400	$25.31	18/20
esi ms	4,400	$29.79	15/20
electrospray ionization mass spectrometry	4,400	$38.91	14/20
electrospray ionization ms	4,400	$38.91	13/20
electrospray ionization esi	720	$0	12/20
electrospray ionization	720	$8.66	11/20
esi ionization	720	$8.66	10/20
what is esi ms	480	$2.92	10/20
esi mass spectrometry	390	$0	12/20
esi-ms spectra	40	$0	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=esi+mass&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