seodata.dev

keyword

underpayment penalty irs

Monthly search volume and cost-per-click data for "underpayment penalty irs" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=underpayment+penalty+irs&country=us" +--------------+------------------+ | volume | 5,400 | | cpc | $2.71 | | competition | 0.02 | | country | US | | updated | 2026-06-12 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
underpayment penalty 6,600 $0 18/20
irs underpayment penalty 5,400 $2.71 20/20
irs penalties for underpayment 5,400 $0 17/20
irs penalty on underpayment 5,400 $0 17/20
underpayment penalties irs 5,400 $2.71 17/20
estimated tax penalty 1,900 $1.54 18/20
underpayment of estimated tax penalty 1,600 $0 19/20
estimated tax underpayment penalty 1,600 $0 18/20
what triggers irs underpayment penalty 1,000 $0 20/20
irs penalty for underpayment of taxes 390 $0 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=underpayment+penalty+irs&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