keyword

penalty for income tax

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

$ curl "https://api.seodata.dev/v1/keyword?q=penalty+for+income+tax&country=us" +--------------+------------------+ | volume | 170 | | cpc | $5.39 | | competition | 0.04 | | country | US | | updated | 2026-09-01 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
irs late payment penalty calculator	2,400	$5.12	15/20
tax and penalty	2,400	$4.16	14/20
irs penalties	1,900	$9.66	14/20
tax fine	1,600	$5.83	17/20
tax penalties	1,600	$6.83	15/20
failure to pay penalty	1,300	$3.5	17/20
penalty for late filing	1,300	$10.4	15/20
penalties for late tax filing	1,300	$0.76	14/20
income tax fines	170	$0	16/20
penalty income tax	170	$0	14/20

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://api.seodata.dev/v1/keyword?q=penalty+for+income+tax&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