seodata.dev

keyword

online checkout system

Monthly search volume and cost-per-click data for "online checkout system" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=online+checkout+system&country=us" +--------------+------------------+ | volume | 40 | | cpc | $31.35 | | competition | 0.12 | | country | US | | updated | 2026-06-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
online payment systems 5,400 $32.84 10/20
accept payments online 2,900 $90.45 8/20
online payment processing 2,400 $80.91 8/20
pay checkout 1,600 $30.8 13/20
checkout payment 1,600 $27.74 11/20
checkout pay 1,600 $30.8 10/20
online payment platform 1,600 $28.71 8/20
payment processor online 1,600 $55.99 8/20
online payment processors 1,000 $62.49 8/20
online checkout 260 $24.06 8/20

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=online+checkout+system&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