Can I code this? A Newsletter With Paid Subscriptions

Writing and sending posts shares Mailchimp's buildable core. Gating some posts behind a Stripe subscription is well-documented; deliverability at scale is the one recurring challenge every email tool on this register shares.

Borderline
Effort: a weekendRunning cost: $0/mo to start

Why CanICodeThis says Borderline

  • The writing and sending core is the same buildable pattern as any email tool — a composer and a transactional email API
  • Stripe Subscriptions gating paid-only posts behind a login check is a well-documented pattern
  • A public archive of free posts is ordinary content rendering

The parts that'll cause problems

  • Deliverability at scale is an ongoing reputation problem tied to sending domain and volume history, not something you build once and forget
  • A built-in discovery network (readers finding you through the platform's own recommendations) doesn't come with a self-hosted build
  • Podcast/audio post support adds real hosting scope beyond text

How I'd build this

frontendAstro or Next.js
databaseTurso (SQLite)
emailResend
paymentsStripe Subscriptions
hostingCloudflare Pages

MVP scope

  • Write and publish posts, some free, some paid-only
  • Send new posts via a transactional email API
  • Stripe Subscriptions gating paid content behind a login check
  • A public archive of free posts

Postpone to v2

  • Built-in discovery/recommendations
  • Podcast or audio post support
  • Comments per post

What it actually costs to build

AI agent — with a subscription (Claude Pro/Max, Cursor, etc.)$0 marginal
AI agent — pay-per-use API, no subscription$43–$86 one-time
Hosting, once it's running$0/mo (free tier)
Domain name, if you want your own~$12/yr

Existing tools solving a similar problem typically run $25–$25/mo — see how they compare below.

The build prompt

Build me a newsletter platform with paid subscriptions: write and publish posts, send them via a transactional email API to subscribers, and gate some posts behind a Stripe Subscriptions paywall (checkout plus a login check on the post page). A public archive of free posts. SQLite behind a small API.

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