seodata.dev

keyword

comma checker

Monthly search volume and cost-per-click data for "comma checker" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=comma+checker&country=us" +--------------+------------------+ | volume | 2,900 | | cpc | $0.58 | | competition | 0.16 | | country | US | | updated | 2026-05-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
punctuation checker 27,100 $0.8 20/20
grammar and punctuation corrector 6,600 $1.04 20/20
grammar punctuation checker 6,600 $1.68 20/20
grammar check punctuation 5,400 $1.54 20/20
correct punctuation 3,600 $0.57 20/20
punctuation corrector 3,600 $0.39 20/20
correction punctuation 2,400 $1.05 17/20
correct punctuation checker 1,900 $0.98 20/20
free punctuation checker 1,300 $1.01 20/20
comma corrector 260 $0.44 17/20

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=comma+checker&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