keyword

best free vpn server software

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

$ curl "https://api.seodata.dev/v1/keyword?q=best+free+vpn+server+software&country=us" +--------------+------------------+ | volume | 10 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-12 | +--------------+------------------+

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 free good	40,500	$7.11	11/20
the best free vpn	33,100	$5.34	11/20
free vpn server	2,900	$6.9	13/20
vpn server free	2,900	$6.9	13/20
vpn open source	1,300	$4.13	15/20
vpn free software	1,300	$6.09	11/20
vpn service free	1,000	$12.38	12/20
vpn free server	720	$3.92	12/20
software vpn free	590	$5.95	15/20
free vpn best	140	$6.07	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=best+free+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