keyword

free vpn server

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

$ curl "https://app.seodata.dev/v1/search-volume?q=free-vpn-server" +--------------+------------------+ | volume | 2,900 | | cpc | $6.9 | | competition | 0.28 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
free vpn app	4,400	$2.92	15/20
vpn server free	2,900	$6.9	20/20
free online vpn	2,400	$4.18	17/20
vpn for free	1,600	$8.02	15/20
vpn free software	1,300	$6.09	18/20
free vpn for	1,300	$5.59	16/20
vpn service free	1,000	$12.38	17/20
free v p n server	880	$5.15	16/20
vpn free server	720	$3.92	20/20
software vpn free	590	$5.95	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://app.seodata.dev/v1/search-volume?q=free-vpn-server" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt