keyword

functions rules

Monthly search volume and cost-per-click data for "functions rules" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=functions+rules&country=us" +--------------+------------------+ | volume | 2,400 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-22 | +--------------+------------------+

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
what are functions in math	14,800	$0.3	13/20
function in mathematics	9,900	$7.62	12/20
function rule	2,400	$0	16/20
functions and rules	2,400	$0	12/20
function rules math	140	$0	12/20
function rules maths	110	$0	13/20
rules for math functions	110	$0	13/20
rules for functions in math	70	$0	14/20
rules of function in math	70	$0	14/20
rules of functions in math	20	$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=functions+rules&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