seodata.dev

keyword

luhn check

Monthly search volume and cost-per-click data for "luhn check" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=luhn+check&country=us" +--------------+------------------+ | volume | 1,000 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-28 | +--------------+------------------+
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
luhn algorithm 9,900 $2.43 20/20
luhn check digit 9,900 $2.43 20/20
luhn formula 9,900 $9.82 20/20
luhn check algorithm 9,900 $2.43 14/20
luhn test 9,900 $2.43 14/20
luhn checker 1,000 $0 16/20
luhn algorithm checker 1,000 $0 15/20
luhn's algorithm checker 1,000 $0 15/20
luhn algorithm decode 170 $0 14/20
verify credit card number algorithm 90 $0 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=luhn+check&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