seodata.dev

keyword

promissory letter

Monthly search volume and cost-per-click data for "promissory letter" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=promissory+letter&country=us" +--------------+------------------+ | volume | 320 | | cpc | $3.7 | | competition | 0.18 | | country | US | | updated | 2026-08-31 | +--------------+------------------+
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
promissory agreement 49,500 $4.87 18/20
promissory note 40,500 $4.11 20/20
promissory notes 40,500 $4.11 20/20
what is a promissory note 6,600 $1.1 20/20
promissory notes definition 3,600 $1.74 18/20
promissory note definition 2,900 $2.26 20/20
promissory note meaning 2,900 $2.26 20/20
what is promissory note 590 $0.02 14/20
what is promissory notes 590 $0 14/20
what promissory note 320 $1.23 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=promissory+letter&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