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Price Sensor · alerts

Buttondown price alerts

One-line email alerts when Buttondown changes published pricing. No marketing, no nurture sequence — only the alert and the source link.

We send an alert only when the Price Sensor confirms a list-price change on https://buttondown.com/pricing. Unsubscribe with one click from any alert. Your email is stored in Cloudflare D1 and never shared.

Buttondown pricing breakdown · price history · all detected changes · SaaS Price Index