All payments created in the sandbox are simulated and no funds are transferred. Use the credentials and endpoints on this page to build and validate your integration before going live.

Sandbox API Endpoint

Use the following base URL for all API requests in the sandbox environment:

https://secure.3gdirectpay.com/API/v6/

Test Merchant Accounts

DPO Pay provides multiple sandbox merchant accounts for testing. Each account is identified by a Company Token and associated Service Type IDs.

You must include both values when creating a payment request.

Test Credentials

Test Account	Company Token	Product Service ID	Service Service ID
Account 1	`B3F59BE7-0756-420E-BB88-1D98E7A6B040`	54841	85325
Account 2	`C40E4138-3DF7-4A56-A6D1-375A49407A1C`	54842	86275
Account 3	`8BB9CF9A-6E89-4E78-828F-088D5A000269`	54843	86277
Account 4	`732CDD7C-34B3-4506-ACF6-B03F94FB44C8`	54844	86278
Account 5	`8E0F3AD8-B254-419A-80DF-6D9C280A5130`	54845	86280
Account 6	`8D3DA73D-9D7F-4E09-96D4-3D44E7A83EA3`	3854	5525

Understanding the Fields

Company Token
Unique identifier for a sandbox merchant account. Used to authenticate API requests.

Service Type ID
Identifies the product or service being purchased. You must supply one of these IDs when creating a payment.

Hosted Payment Page

After successfully creating a payment token via the API, redirect the customer to the hosted payment page:

https://secure.3gdirectpay.com/payv3.php?ID={paymentToken}

Replace {paymentToken} with the token returned in the API response.

Test card details

The following test card numbers can be used to simulate successful payments in the sandbox environment.

Supported card schemes

Visa
Mastercard
American Express (Amex)

Cardholder details

Use any valid cardholder name.

Test card details

Field	Value
Cardholder name	Any valid name
Card numbers	5436 8862 6984 8367 4012 8888 8888 1881 3456 7890 1234 564
Expiry date	"MM/YY" Any Future Date
CVV	123

Test behaviour

Transactions using these cards will always return a successful payment result
Decline scenarios and error handling are not supported in the sandbox environment
3D Secure testing is handled separately on a case-by-case basis

Important Notes

Sandbox transactions are not processed by real banks.
Do not use production credentials in the sandbox environment.
Company Tokens provided here are for testing purposes only.
Production credentials will be issued during onboarding.

Next Steps

Choose a sandbox test account from the table above
Use the sandbox API endpoint to create a payment request
Redirect the customer to the hosted payment page
Complete the payment using test card details
Verify the transaction result in your integration