A Coupon takes a percent or an amount off for a set time, and its code works at checkout. The Price on the pricing page stays the same, so the discount ends cleanly.

Needs Charge monthly

What you get

1Coupon for 20% off three monthly chargesCoupon
1promotion code LAUNCH20 at checkout, good for 100 customersCoupon
1discount line on each Invoice it touchesInvoice
1count of redemptions on the CouponCoupon

Your agent does

Coupon.create

You, to your agent

Give the first 100 customers 20% off for three months.

Make a LAUNCH20 code.

Create a promo code for launch week.

# Coupon.create
curl -X POST https://api.sb/leaseline.app/coupons \
  -H "Authorization: Bearer $STARTUP_BUILDER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"duration":"repeating","percentOff":20,"months":3,"code":"LAUNCH20","maxRedemptions":100,"redeemBy":"2026-12-31T23:59:59Z"}'

import { $ } from 'startup-builder'

await $.Coupon.create({ duration: 'repeating', percentOff: 20, months: 3, code: 'LAUNCH20', maxRedemptions: 100, redeemBy: '2026-12-31T23:59:59Z' })

npx startup-builder do Coupon.create --json '{"duration":"repeating","percentOff":20,"months":3,"code":"LAUNCH20","maxRedemptions":100,"redeemBy":"2026-12-31T23:59:59Z"}'

{
  "name": "do",
  "arguments": {
    "code": "return await $.Coupon.create({ duration: 'repeating', percentOff: 20, months: 3, code: 'LAUNCH20', maxRedemptions: 100, redeemBy: '2026-12-31T23:59:59Z' })"
  }
}

Change it

Make it 50% off the first month instead.
Stop the code today.
How many people used LAUNCH20?

Under the hood

Systems: Billing
Nouns: Coupon, Invoice
Events: Coupon.created
Stripe objects: Coupon, Promotion Code

Give a launch discount

What you get

Your agent does

Change it

Under the hood

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What you get

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Under the hood