seodata.dev

keyword

what is a valid phone number

Monthly search volume and cost-per-click data for "what is a valid phone number" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=what+is+a+valid+phone+number&country=us" +--------------+------------------+ | volume | 140 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-09-01 | +--------------+------------------+
All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
verify phone number 9,900 $4.4 13/20
phone number for validation 5,400 $5.75 16/20
telephone number validation 5,400 $6.35 15/20
telephone number validator 5,400 $5.75 14/20
validate a phone number 5,400 $5.75 14/20
validate phone number 5,400 $6.35 14/20
phone number validation 3,600 $9.4 14/20
validate phone number online 3,600 $1.35 14/20
valid number 1,300 $4.14 16/20
what is valid phone number 140 $0 15/20

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://api.seodata.dev/v1/keyword?q=what+is+a+valid+phone+number&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