keyword

free online phone numbers

Monthly search volume and cost-per-click data for "free online phone numbers" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=free+online+phone+numbers&country=us" +--------------+------------------+ | volume | 3,600 | | cpc | $5.31 | | competition | 0.25 | | country | US | | updated | 2026-06-28 | +--------------+------------------+

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
online phone number free	3,600	$5.23	17/20
online phone numbers free	3,600	$5.31	16/20
free online phone number	3,600	$5.61	15/20
phone number online free	2,900	$3.87	20/20
phone number free online	2,900	$3.87	16/20
temporary number sms	1,600	$3.52	16/20
free number online	1,300	$5.31	20/20
free online numbers	1,300	$5.31	20/20
number online free	1,300	$5.74	20/20
free phone number online	1,300	$4.95	18/20

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=free+online+phone+numbers&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