seodata.dev

keyword

credit card response codes

Monthly search volume and cost-per-click data for "credit card response codes" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=credit+card+response+codes&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-26 | +--------------+------------------+
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
sec violation credit card 1,000 $0 10/20
decline codes for credit cards 90 $0 9/20
not approved ke meaning 40 $0 10/20
credit card codes list 40 $4.83 9/20
debit card declined reason 51 40 $0 9/20
visa debit card declined codes 40 $0 9/20
credit card response code 30 $0 15/20
credit card transaction codes 30 $0 10/20
declined 63 30 $0 9/20
invalid merchant decline reason 30 $0 9/20

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+response+codes&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