You’re all set up! Now let’s initiate your first payment using GreenBanana’s BNPLx API. This guide walks you through a basic payment request using your authenticated API key. Prerequisites Before you start, make sure you have:
  • A configured BNPL connector in your dashboard
  • Your API keys (secret key for server-side calls)
  • Basic understanding of REST APIs
  • A tool to make HTTP requests(We use Postman).

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First Payment call

Step 1: Create a Payment Refer to the Your First Payment in our API Reference for complete details. Here’s the basic flow: API Endpoint POST {{url}}/payments Step 2: Confirm the Payment If your payment requires customer confirmation (status: pending_auth), use the confirm endpoint: API Endpoint POST {{url}}/payments/{payment_id}/confirm

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Next Steps

Once you’ve successfully created and confirmed your payment:
  • Capture the payment to complete the transaction
  • Check your dashboard to view the payment status
  • Set up webhooks for real-time payment updates
  • Explore the full API reference for advanced features
For complete API documentation and all available parameters, see our API Reference.