seodata.dev

keyword

open source vpn app

Monthly search volume and cost-per-click data for "open source vpn app" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=open-source-vpn-app" +--------------+------------------+ | volume | 140 | | cpc | $0 | | competition | 0.29 | | 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 17/20
open source vpn free 170 $5.06 13/20
free open source vpn 170 $3 12/20
open source vpn clients 70 $0 12/20
client vpn open source 70 $0 11/20
open source vpn client 70 $3.44 11/20
open source vpn software 50 $0 12/20
vpn software open source 50 $0 11/20
best open source vpn for android 40 $0 11/20
vpn service open source 30 $9.46 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=open-source-vpn-app" 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