keyword

credit card declined code 51

Monthly search volume and cost-per-click data for "credit card declined code 51" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=credit+card+declined+code+51&country=us" +--------------+------------------+ | volume | 110 | | 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
mastercard declined codes	170	$0	10/20
visa declined codes	170	$0	9/20
debit card decline codes	50	$0	9/20
debit card declined reason 51	40	$0	11/20
debit declined reason 51	40	$0	11/20
payment declined reason 51	30	$0	12/20
what is reason 51 for payment declined	30	$0	12/20
debit not approved code 51	20	$0	11/20
debit card declined codes	20	$0	10/20
code 57 credit card declined	10	$0	10/20

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=credit+card+declined+code+51&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