keyword

promo code extension

Monthly search volume and cost-per-click data for "promo code extension" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=promo+code+extension&country=us" +--------------+------------------+ | volume | 1,300 | | cpc | $22.67 | | competition | 0.69 | | country | US | | updated | 2026-08-12 | +--------------+------------------+

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
promo code finder	4,400	$7.51	17/20
coupon chrome extension	2,900	$23.96	20/20
coupon finder	1,900	$6.9	14/20
coupon extension	1,000	$18.41	13/20
coupon code extension	480	$22.38	14/20
best coupon extension	390	$28.36	16/20
coupon add on	110	$18.66	15/20
coupon addon	110	$18.66	14/20
coupon code browser extension	40	$26.47	13/20
promo code addon	30	$12.54	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=promo+code+extension&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