seodata.dev

keyword

principal interest

Monthly search volume and cost-per-click data for "principal interest" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=principal+interest&country=us" +--------------+------------------+ | volume | 1,600 | | cpc | $4.12 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
calculate principal and interest 5,400 $1.42 13/20
principal and interest 4,400 $9.91 20/20
interest principal 4,400 $1.37 14/20
calculate mortgage interest and principal 2,900 $1.76 14/20
mortgage calculator interest and principal 2,900 $1.76 13/20
principal vs interest 1,900 $0 20/20
principal & interest 1,600 $4.12 13/20
how is principal and interest calculated 720 $3.06 13/20
interest and principal 480 $0 20/20
interest and principal loan 90 $0 15/20

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=principal+interest&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