keyword

what is an application programming interface

Monthly search volume and cost-per-click data for "what is an application programming interface" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=what+is+an+application+programming+interface&country=us" +--------------+------------------+ | volume | 40,500 | | cpc | $6.96 | | competition | 0.02 | | country | US | | updated | 2026-06-02 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
application programming interface	165,000	$11.54	19/20
apis what is	40,500	$5.61	20/20
what is an api in programming	40,500	$5.61	20/20
what is api in programming	40,500	$4.47	20/20
what is api application programming interface	40,500	$5.61	17/20
what is application programming interfaces	27,100	$3.42	17/20
what is api	27,100	$8.16	16/20
application programming interface definition	8,100	$11.87	20/20
api full form	1,900	$9	16/20
application interface programming	880	$10.23	16/20

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=what+is+an+application+programming+interface&country=us" 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