seodata.dev

keyword

back tax penalty

Monthly search volume and cost-per-click data for "back tax penalty" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=back+tax+penalty&country=us" +--------------+------------------+ | volume | 90 | | cpc | $13.05 | | competition | 0.31 | | country | US | | updated | 2026-06-12 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
tax and penalty 2,400 $4.16 17/20
irs late payment penalty calculator 2,400 $5.12 15/20
tax fine 1,600 $5.83 20/20
failure to pay penalty 1,300 $3.5 17/20
penalty for late filing 1,300 $10.4 17/20
penalties for late tax filing 1,300 $0.76 15/20
how much are late fees for taxes 390 $0 15/20
late income tax payment penalty 70 $3.29 15/20
late payment of income tax penalty 70 $3.91 15/20
late income tax penalty 30 $5.37 15/20

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=back+tax+penalty&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