keyword

free invoice software

Monthly search volume and cost-per-click data for "free invoice software" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=free-invoice-software" +--------------+------------------+ | volume | 6,600 | | cpc | $32.32 | | competition | 0.48 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
invoice software	27,100	$50.04	20/20
invoicing software	27,100	$50.04	20/20
free invoice app	6,600	$15.59	20/20
free invoicing software	6,600	$32.32	20/20
invoice app	6,600	$23.72	20/20
invoice free software	6,600	$27.66	20/20
invoice software for small business	6,600	$54.99	20/20
invoicing software free	6,600	$27.66	20/20
invoice free app	5,400	$12.3	20/20
invoice software free	5,400	$25.78	20/20

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/search-volume?q=free-invoice-software" 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