seodata.dev

keyword

smog test

Monthly search volume and cost-per-click data for "smog test" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=smog+test&country=us" +--------------+------------------+ | volume | 18,100 | | cpc | $2.54 | | competition | 0.2 | | country | US | | updated | 2026-06-04 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
smogged check 135,000 $2.51 16/20
smog check 110,000 $2.33 19/20
smog testing 22,200 $2.4 13/20
what is a smog 5,400 $0 17/20
what is a smog check 4,400 $1.62 20/20
what is a smog test 4,400 $3.21 20/20
what is checked in a smog test 4,400 $4.3 13/20
smogged car 1,900 $2.41 18/20
smog car test 260 $5.83 13/20
smog test for car 260 $2.75 13/20

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=smog+test&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