Stripe Has a Free API (for Testing) — Build Payment Flows Without Spending a Cent

Test Mode Is Basically a Free Payment API Stripe test mode gives you a fully functional payment API with fake money. Same endpoints, same webhooks, same everything — just no real charges. Setup pip install stripe # or npm install stripe Use test keys from dashboard.stripe.com/test/apikeys. Create a Payment Intent (Python) import stripe stripe . api_key = " sk_test_your_test_key " intent = stripe . PaymentIntent . create ( amount = 2000 , # $20.00 in cents currency = " usd " , payment_method_types = [ " card " ] ) print ( f " Client secret: { intent . client_secret } " ) Create a Checkout Session session = stripe . checkout . Session . create ( payment_method_types = [ " card " ], line_items = [{ " price_data " : { " currency " : " usd " , " product_data " : { " name " : " Pro Plan " }, " unit_amount " : 999 , # $9.99 }, " quantity " : 1 , }], mode = " payment " , success_url = " https://example.com/success " , cancel_url = " https://example.com/cancel " , ) print ( f " Checkout URL: {