seodata.dev

keyword

second line phone number app

Monthly search volume and cost-per-click data for "second line phone number app" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=second+line+phone+number+app&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0.43 | | country | US | | updated | 2026-06-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
apps for phone number 4,400 $5.19 13/20
secondary phone number free 1,900 $1.86 14/20
app for 2nd phone number 1,600 $7.33 12/20
second number app 1,000 $5.98 12/20
second line app 720 $4.96 12/20
app for second phone number free 30 $4.45 15/20
what is second phone number app 20 $2.94 14/20
free 2nd line app for iphone 20 $3.29 13/20
2nd line app review 20 $2.87 12/20
is 2nd line free 20 $3.95 12/20

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/keyword?q=second+line+phone+number+app&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt