seodata.dev

keyword

the history of credit cards

Monthly search volume and cost-per-click data for "the history of credit cards" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=the+history+of+credit+cards&country=us" +--------------+------------------+ | volume | 1,000 | | cpc | $7.46 | | competition | 0.04 | | country | US | | updated | 2026-06-13 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
when were credit cards invented 5,400 $0 20/20
when did credit cards come out 3,600 $0 20/20
when was credit card invented 1,600 $0 20/20
when was the credit card invented 1,600 $0 20/20
who invented credit cards 1,600 $0 19/20
who invented the credit card 1,600 $0 19/20
history credit card 1,000 $5.07 20/20
history of credit cards 1,000 $7.46 20/20
history of the credit card 1,000 $5.07 20/20
the credit card history 140 $0 17/20

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=the+history+of+credit+cards&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