Stripe Has a Free Payment API — Accept Payments with 10 Lines of Code

Stripe's API handles payments, subscriptions, invoicing, and billing portals. Free to integrate — you only pay per transaction (2.9% + $0.30). Why Every SaaS Uses Stripe PayPal: checkout redirects, iframe hell, inconsistent APIs. Stripe: a REST API that makes payments feel like any other API call. What You Get for Free (No Monthly Fee) One-time payments: const session = await stripe . checkout . sessions . create ({ line_items : [{ price_data : { currency : ' usd ' , product_data : { name : ' Pro Plan ' }, unit_amount : 2999 , // $29.99 }, quantity : 1 , }], mode : ' payment ' , success_url : ' https://myapp.com/success ' , cancel_url : ' https://myapp.com/cancel ' , }); // Redirect user to session.url Subscriptions: const subscription = await stripe . subscriptions . create ({ customer : ' cus_xxx ' , items : [{ price : ' price_xxx ' }], // recurring price trial_period_days : 14 , }); Webhooks (real-time events): app . post ( ' /webhook ' , ( req , res ) => { const event = stripe . we