SENDBOXPAY DEVELOPER PLATFORM

Build reliable payment experiences with one secure API

Start Deposit Integration View Withdraw API

Merchant and domain authentication JSON request and response Signed webhook delivery

POST /api/v1/payment/create.php

curl -X POST "https://www.sendboxpay.cyou/api/v1/payment/create.php" \
  -H "Content-Type: application/json" \
  -H "X-SBP-Merchant-ID: SENDBOX123456" \
  -H "X-SBP-Merchant-Domain: merchant.example.com" \
  -H "X-SBP-API-Key: YOUR_API_KEY" \
  -H "X-SBP-Timestamp: 1760000000" \
  -H "X-SBP-Nonce: unique_request_nonce" \
  -H "X-SBP-Signature: calculated_hmac" \
  -d '{"order_id":"ORDER-10001","amount":"500.00"}'

INTEGRATION GUIDES

Choose an API workflow

Each guide includes authentication, request schemas, response objects, error handling, webhook verification, security requirements and framework examples.

API v1

Deposit Integration

Create checkoutPayment method syncCompletion webhook

Open Deposit Documentation

API v1

Withdraw Integration

Create withdrawalStatus and balanceSigned webhook

Open Withdraw Documentation

API BASE URLhttps://www.sendboxpay.cyou