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The sandbox environment allows you to test your integration without processing real payments.

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Sandbox Environment

SettingValue
Base URLhttps://acount-apis-staging-a8cdb2402163.herokuapp.com
CredentialsSeparate sandbox credentials (contact us)

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Test Merchants

MerchantClient IDBehavior
Test Successtest_merchant_successPayments succeed
Test Failtest_merchant_failPayments fail
Test Slowtest_merchant_slow30 second delay

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Mock Payment Mode

For quick testing without the bank flow, use Mock Payment Mode: 
curl -X POST https://acount-apis-staging-a8cdb2402163.herokuapp.com/v1/partner/payments \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
  -H "X-Merchant-Client-Id: test_merchant_success" \
  -H "X-Mock-Payment: true" \
  -H "Content-Type: application/json" \
  -d '{"amount": 100.00, "referenceNumber": "TEST-001"}'
Header ValueResult
X-Mock-Payment: trueCompletes immediately
X-Mock-Payment: failFails immediately
X-Mock-Payment: delayCompletes after 10s

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Test Bank

In sandbox, Token.io provides a test bank:
SettingValue
Bank IDob-token
Usernametest-user
Passwordtest-password
OTPAny 6 digits

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Testing Webhooks

Use webhook.site for testing:
  1. Get a unique URL from webhook.site
  2. Use it as your webhookUrl
  3. Complete a test payment
  4. View the webhook payload

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Checklist Before Going Live

  • OAuth2 flow works and tokens are cached
  • Payment creation returns valid QR code
  • QR code displays correctly on POS terminal
  • Webhook endpoint receives and verifies signatures
  • POS shows “Payment successful” after webhook
  • Error handling works for failed payments
  • Expiration handling works (30 min timeout)

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Going Live

  1. Contact us to activate production credentials
  2. Update base URL to https://api.acountpay.com
  3. Update credentials to production values
  4. Test one real transaction with small amount