seodata.dev

keyword

used cars

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

$ curl "https://app.seodata.dev/v1/keyword?q=used+cars&country=us" +--------------+------------------+ | volume | 823,000 | | cpc | $1.91 | | competition | 1 | | country | US | | updated | 2026-05-27 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
used auto 823,000 $1.92 20/20
used car 823,000 $1.92 20/20
car for sale used car 550,000 $1.95 20/20
car used sale 550,000 $2.03 20/20
for sale used cars 550,000 $1.95 20/20
sale of used cars 550,000 $1.95 20/20
sales car used 550,000 $2.03 20/20
sales used cars 550,000 $1.95 20/20
used cars on sale 550,000 $2.03 20/20
used for sale cars 550,000 $2.03 20/20

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=used+cars&country=us" 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