seodata.dev

keyword

payment system credit card

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

$ curl "https://app.seodata.dev/v1/keyword?q=payment+system+credit+card&country=us" +--------------+------------------+ | volume | 880 | | cpc | $43.11 | | competition | 0.21 | | country | US | | updated | 2026-05-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
credit card processing 12,100 $79 17/20
credit card processor 12,100 $79 17/20
credit card payment processing 12,100 $79 12/20
credit card processors 12,100 $52.52 12/20
credit card payment process 12,100 $72.14 11/20
process credit card payment 1,300 $43.5 15/20
credit card payment system 880 $57.18 14/20
credit payment system 880 $43.11 12/20
card processing 720 $76.64 11/20
credit card process 390 $90.99 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://app.seodata.dev/v1/keyword?q=payment+system+credit+card&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