Collect subscribers on your page and send them each issue by email. Its status is planned: your agent tells you so and runs nothing yet.

Needs Get email at my domain

What you get

1Newsletter with a signup box on your pageNewsletter
1Consent record per subscriberConsent
1issue sent, with an unsubscribe link in every emailMessage

Your agent does

Newsletter.create then Newsletter.send

You, to your agent

Start a newsletter.

Start a paid newsletter.

Email my subscribers every week.

# Look up the Mailbox: Mailbox.list
FROM=$(curl "https://api.sb/leaseline.app/mailboxes?limit=1" \
  -H "Authorization: Bearer $STARTUP_BUILDER_API_KEY" | jq -r '.mailboxes[0]["$id"] | split("/") | last')

# 1. Newsletter.create
NEWSLETTER=$(curl -X POST https://api.sb/leaseline.app/newsletters \
  -H "Authorization: Bearer $STARTUP_BUILDER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"name":"Renewal notes","from":"'"$FROM"'","topic":"renewal-notes"}' | jq -r '.newsletter["$id"] | split("/") | last')

# Look up the Content: Content.list
CONTENT=$(curl "https://api.sb/leaseline.app/content?limit=1" \
  -H "Authorization: Bearer $STARTUP_BUILDER_API_KEY" | jq -r '.content[0]["$id"] | split("/") | last')

# 2. Newsletter.send
IDEMPOTENCY_KEY=$(uuidgen)
curl -X POST https://api.sb/leaseline.app/newsletters/$NEWSLETTER/send \
  -H "Authorization: Bearer $STARTUP_BUILDER_API_KEY" \
  -H "Idempotency-Key: $IDEMPOTENCY_KEY" \
  -H "Content-Type: application/json" \
  -d '{"content":"'"$CONTENT"'"}'

import { $ } from 'startup-builder'

const [from] = await $.Mailbox.list({ limit: 1 })
const newsletter = await $.Newsletter.create({ name: 'Renewal notes', from: from.$id, topic: 'renewal-notes' })
const [content] = await $.Content.list({ limit: 1 })
await $.Newsletter.send({ newsletter: newsletter.$id, content: content.$id })

FROM=$(npx startup-builder do Mailbox.list --json '{"limit":1}' | jq -r '.mailboxes[0]["$id"] | split("/") | last')
NEWSLETTER=$(npx startup-builder do Newsletter.create --json '{"name":"Renewal notes","from":"'"$FROM"'","topic":"renewal-notes"}' | jq -r '.newsletter["$id"] | split("/") | last')
CONTENT=$(npx startup-builder do Content.list --json '{"limit":1}' | jq -r '.content[0]["$id"] | split("/") | last')
IDEMPOTENCY_KEY=$(uuidgen)
npx startup-builder do Newsletter.send --json '{"newsletter":"'"$NEWSLETTER"'","content":"'"$CONTENT"'"}' --idempotency-key "$IDEMPOTENCY_KEY"

{
  "name": "do",
  "arguments": {
    "code": "const [from] = await $.Mailbox.list({ limit: 1 })\nconst newsletter = await $.Newsletter.create({ name: 'Renewal notes', from: from.$id, topic: 'renewal-notes' })\nconst [content] = await $.Content.list({ limit: 1 })\nreturn await $.Newsletter.send({ newsletter: newsletter.$id, content: content.$id })"
  }
}

Change it

Charge $8 a month for the full issue.
Import my subscribers from a CSV.
Send every Monday at 7 a.m.

Under the hood

Systems: Email list, Mailboxes, CMS
Nouns: Newsletter, Contact, Consent, Content
Events: Contact.subscribed, Newsletter.sent

Each signup calls Contact.subscribe, which writes one Consent for the Newsletter’s topic. A paid tier is an Offer whose Entitlement gates the full issue and the archive.

What you getCopy Anchor Link

Your agent doesCopy Anchor Link

Change itCopy Anchor Link

Under the hoodCopy Anchor Link

What you get

Your agent does

Change it

Under the hood