How to Add Stripe Payments to Your SaaS MVP
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EngineeringMay 1, 20266 min read

How to Add Stripe Payments to Your SaaS MVP

Stripe is the standard. Here's how we implement it.

Why Stripe

Stripe is the standard for SaaS payments.

Why?

  • Great docs
  • Trusted by users
  • Handles edge cases
  • Works globally

We don't think about payments. Stripe does.


The Implementation

1. Create Stripe Products

In Stripe dashboard, create products and prices.

Note the price IDs.

2. Checkout Sessions

const session = await stripe.checkout.sessions.create({
  mode: 'subscription',
  line_items: [{ price: 'price_xxx', quantity: 1 }],
  success_url: '/success',
  cancel_url: '/pricing',
})

Redirect user. Stripe handles payment.

3. Webhooks

When payment succeeds, grant access.

stripe.webhooks.constructEvent(
  payload,
  signature,
  webhookSecret
)

4. Customer Portal

Let users manage their subscription.

const portal = await stripe.billingPortal.sessions.create({
  customer: 'cus_xxx',
  return_url: '/dashboard'
})

Common Patterns

1. Free Trial

trial_period_days: 14

2. Usage-Based

Track usage. Bill at period end.

Stripe handles metering.

3. Annual Plans

recurring: { interval: 'year' }

The Edge Cases

Failed Payments

Retry logic built-in. Dunning emails.

We don't think about this.

Disputes

Users dispute. It happens.

Stripe handles communication.

Tax

For SaaS, tax is complex.

We use Stripe Tax. Worth the 0.5% fee.


The Honest Answer

Stripe handles payments.

Don't build payment infrastructure.

Use Stripe. Ship faster.

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