seodata.dev

keyword

free ssl vpn

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

$ curl "https://app.seodata.dev/v1/search-volume?q=free-ssl-vpn" +--------------+------------------+ | volume | 40 | | cpc | $0 | | competition | 0.1 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
vpn open source 1,300 $4.13 12/20
vpn server open source 210 $3.19 8/20
vpn client open source 70 $0 8/20
ssl vpn free 40 $0 12/20
free vpn ssl 40 $0 9/20
vpn ssl free 40 $0 9/20
ssl vpn open source 40 $3.48 8/20
source vpn 30 $4.62 8/20
vpn source 30 $4.62 8/20
open source vpn client windows 10 $0 8/20

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-ssl-vpn" 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