seodata.dev

keyword

highway 66

Monthly search volume and cost-per-click data for "highway 66" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=highway+66&country=us" +--------------+------------------+ | volume | 246,000 | | cpc | $1.35 | | competition | 0.02 | | country | US | | updated | 2026-06-08 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
66 route 246,000 $1.93 20/20
route 66 route 246,000 $1.35 20/20
route 66 246,000 $1.35 18/20
us route 66 18,100 $7.73 19/20
historic route 66 6,600 $1.6 20/20
historic 66 route 5,400 $0.94 20/20
where is route 66 5,400 $0.69 20/20
old route 66 4,400 $1.95 20/20
route 66 start and end 2,400 $2.27 18/20
us 66 1,300 $4.29 19/20

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=highway+66&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