seodata.dev

keyword

opt in

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

$ curl "https://app.seodata.dev/v1/keyword?q=opt+in&country=us" +--------------+------------------+ | volume | 4,400 | | cpc | $7.08 | | competition | 0.01 | | country | US | | updated | 2026-05-24 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
opt-in 4,400 $8.63 20/20
opting-in 4,400 $11.46 16/20
optin 4,400 $7.08 13/20
opting in 4,400 $18.23 13/20
opt-in meaning 2,900 $0 20/20
opt in meaning 2,900 $0 17/20
opting in meaning 2,900 $0 17/20
opted in meaning 2,900 $0 13/20
opt-in opt-out 1,000 $3.47 16/20
opt in opt out 1,000 $3.47 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=opt+in&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