seodata.dev

keyword

vpn online

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

$ curl "https://app.seodata.dev/v1/search-volume?q=vpn-online" +--------------+------------------+ | volume | 5,400 | | cpc | $5.37 | | competition | 0.16 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
online vpn 6,600 $5.62 20/20
vpn website 3,600 $6.86 19/20
vpn web 2,900 $7.93 20/20
free online vpn 2,400 $4.18 18/20
vpn free web 2,400 $3.04 16/20
vpn free website 2,400 $4.84 15/20
website vpn 1,600 $4.38 20/20
vpn free online 1,600 $3.69 18/20
free vpn online 1,600 $5.16 16/20
web vpn 1,600 $4.89 16/20

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=vpn-online" 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