keyword

irs underpayment interest rate

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

$ curl "https://api.seodata.dev/v1/keyword?q=irs+underpayment+interest+rate&country=us" +--------------+------------------+ | volume | 390 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-08-31 | +--------------+------------------+

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 interest rates	6,600	$6.68	18/20
irs interest rate	6,600	$6.68	15/20
irs interest rates on underpayments	390	$0.02	15/20
irs interest rate on underpayments	390	$0	14/20
irs underpayment interest rates	390	$0.02	14/20
underpayment interest rate irs	390	$0.02	14/20
irs interest rates for individuals	390	$9.64	11/20
irs interest rates underpayments	390	$0	11/20
underpayment rate irs	110	$0	11/20
irs underpayment rates	90	$0	12/20

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=irs+underpayment+interest+rate&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