Web dev - SaaS - Payment platforms
Auth0 + Stripe
- Keep user identities in Auth0
- Link to Stripe subscription at account-creation time https://community.auth0.com/t/using-stripe-as-payment-platform-and-link-account-to-an-auth0-user/7820
Stripe Billing
- cost : 2.9% + 0.30 per transaction https://stripe.com/billing/pricing
Adjust prices based on country
- Purchasing Power Parity with Stripe
https://scastiel.dev/implement-ppp-fair-pricing-for-your-product
Paddle
- international, handles tax remittance and billing customer support
- cost: 5% + 0.50 per transaction or custom https://www.paddle.com/