seodata.dev

keyword

free vpn server software

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

$ curl "https://app.seodata.dev/v1/search-volume?q=free-vpn-server-software" +--------------+------------------+ | volume | 30 | | cpc | $6.7 | | competition | 0.14 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
vpn open source 1,300 $4.13 13/20
software vpn free 590 $5.95 10/20
vpn server software 210 $5.88 15/20
vpn server program 210 $5.88 14/20
software vpn server 210 $13.39 13/20
server vpn software 210 $5.88 11/20
vpn server software for windows 50 $13.15 13/20
vpn server software free 50 $0 13/20
windows vpn server software 50 $13.15 11/20
software vpn server free 30 $6.7 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://app.seodata.dev/v1/search-volume?q=free-vpn-server-software" 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