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Payment Gateway in Sandbox

The sandbox payment gateway works exactly like production, but payments are simulated on testnet chains. You can create payment intents, view the hosted checkout page, and simulate payment confirmation.

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Create a Test Payment

curl -X POST 'https://crypto-sandbox.yativo.com/api/v1/crypto-gateway/payments' \
  -H 'Authorization: Bearer YOUR_ACCESS_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
    "amount": 25.00,
    "currency": "USD",
    "description": "Test payment"
  }'
The response includes a checkout_url you can open in a browser to see the hosted checkout page.

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Simulate a Payment

In sandbox, you can simulate a successful payment without actually sending on-chain funds: 
curl -X POST 'https://crypto-sandbox.yativo.com/api/v1/sandbox/simulate-gateway-payment' \
  -H 'Authorization: Bearer YOUR_ACCESS_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
    "payment_id": "pi_01abc123"
  }'
This marks the payment as paid and triggers any configured webhooks, just as if a real on-chain payment was confirmed.

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Test Webhook Flow

  1. Create a webhook listening for gateway.payment.paid
  2. Create a payment intent
  3. Simulate the payment using the endpoint above
  4. Your webhook receives the payment confirmation event
This lets you test your full checkout integration without any real blockchain transactions.