keyword

big cars

Monthly search volume and cost-per-click data for "big cars" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=big+cars&country=us" +--------------+------------------+ | volume | 12,100 | | cpc | $1.86 | | competition | 0.83 | | country | US | | updated | 2026-06-27 | +--------------+------------------+

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
bigger cars	12,100	$1.86	10/20
bigger car	12,100	$1.68	9/20
big big cars	9,900	$1.94	12/20
large cars	1,600	$3.32	18/20
large car	1,600	$3.32	9/20
larger cars	1,600	$2.59	8/20
big vehicles	720	$3.53	8/20
huge cars	320	$2.95	8/20
cars big cars	110	$1.62	14/20
big size cars	110	$1.82	9/20

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=big+cars&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