seodata.dev

keyword

best vpn service for free

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

$ curl "https://app.seodata.dev/v1/search-volume?q=best-vpn-service-for-free" +--------------+------------------+ | volume | 170 | | cpc | $5.83 | | competition | 0.42 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
free vpns 201,000 $5.05 10/20
vpn best free 40,500 $4.7 10/20
best free vpns 33,100 $3.84 13/20
the best free vpn 33,100 $5.34 9/20
best vpns free 2,400 $4.92 17/20
best free mobile vpns 590 $2.22 9/20
best free phone vpns 320 $4 9/20
best free online vpns 70 $5.44 12/20
best free vpns to use 70 $1.95 9/20
best free internet vpns 40 $0 10/20

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=best-vpn-service-for-free" 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