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Payment Processing Failed - Stripe Integration Error
Payment processing fails even though credentials look correct. Users can't complete purchases. Stripe API returns errors.
Sometimes charge attempts fail silently or return cryptic error messages.
Error Messages You Might See
Error: Invalid API Key provided
Error: No such payment_intent
Your card was declined
Charge not completed - webhook failed
Common Causes
- Stripe API key (publishable vs secret) wrong or swapped
- Stripe not initialized before use
- Payment intent not created or expired
- Card declined due to insufficient funds or other validation
- Webhook for payment confirmation not received or processed
How to Fix It
Verify API keys: publishable key starts with 'pk_', secret starts with 'sk_'. Use correct key for each context
Initialize Stripe on backend only with secret key, never expose to client
Create payment intent on backend, pass client secret to frontend
Check Stripe dashboard Events for actual error details
Implement proper error handling and show user-friendly messages
Real developers can help you.
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💡 Developing cross-platform apps using Flutter, Dart, and Jetpack Compose for Android, iOS, and Web.
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As a Product Engineer at Klasio, I contributed to end-to-end product development, focusing on scalability, performance, and user experience.
My work spanned building and refining core features, developing dynamic website templates, integrating secure and reliable payment gateways, and optimizing the overall system architecture.
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You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.
Get HelpFrequently Asked Questions
What's difference between publishable and secret key?
Publishable (pk_) goes in frontend, secret (sk_) stays on backend only. Never expose secret to client
How do I handle payment intent?
1) Backend creates intent with amount, 2) Frontend confirms with card details, 3) Webhook confirms completion
What does 'card declined' mean?
Many causes: no funds, expired, blocked by issuer, 3D Secure required. Show user message and retry option