keyword

protocol vpn

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

$ curl "https://api.seodata.dev/v1/keyword?q=protocol+vpn&country=us" +--------------+------------------+ | volume | 880 | | cpc | $3.36 | | competition | 0.06 | | country | US | | updated | 2026-09-01 | +--------------+------------------+

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
vpn protocol	1,300	$4.4	14/20
vpn protocols	1,000	$3.31	19/20
protocol for vpn	880	$3.36	15/20
protocols for vpn	880	$3.36	15/20
protocols vpn	880	$3.36	15/20
protocol of vpn	880	$5.02	13/20
protocols of vpn	880	$3.36	12/20
vpn communication protocols	880	$5.02	12/20
best vpn protocols	480	$4.78	12/20
vpn security protocol	70	$0	12/20

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=protocol+vpn&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