keyword

best vpn server software

Monthly search volume and cost-per-click data for "best vpn server software" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=best+vpn+server+software&country=us" +--------------+------------------+ | volume | 20 | | cpc | $11.38 | | competition | 0.33 | | 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
vpn service	12,100	$28.92	8/20
vpn open source	1,300	$4.13	13/20
vpn server open source	210	$3.19	10/20
software vpn	110	$10.06	8/20
vpn client open source	70	$0	9/20
open source ssl vpn	40	$3.48	10/20
ssl vpn open source	40	$3.48	10/20
source vpn	30	$4.62	9/20
vpn source	30	$4.62	9/20
best free vpn server software	10	$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=best+vpn+server+software&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