# Testing
source: https://developer.mastercard.com/mastercard-send-account-info/documentation/testing/index.md

## Sandbox Testing {#sandbox-testing}

The Sandbox server returns simulated responses, enabling you to try this API quickly, and should not be used for full integration testing. For valid test card numbers that you can use in your requests, see [Sandbox Test Cards](https://developer.mastercard.com/mastercard-send/documentation/implementation/sandbox-test-cards/).

### Test Scenarios {#test-scenarios}

Use the following test scenarios to produce specific responses. As long as the request message is properly formatted, a valid response will be returned.

|                        Test Scenario                        |                                       Test Data                                       |            HTTP Status Code/Reason Code            |                            Expected Result                            |
|-------------------------------------------------------------|---------------------------------------------------------------------------------------|----------------------------------------------------|-----------------------------------------------------------------------|
| Consumer - MASTERCARD - DEBIT                               | pan:5102589999999913                                                                  | 200/OK                                             | Successful                                                            |
| Consumer - VISA - DEBIT                                     | pan:4007589999999904                                                                  | 200/OK                                             | Successful                                                            |
| Consumer - VISA - PREPAID                                   | pan:4000289999999908                                                                  | 200/OK                                             | Successful                                                            |
| Consumer - DISCOVER - DEBIT                                 | pan:6029879999999908                                                                  | 200/OK                                             | Successful                                                            |
| Commercial - MASTERCARD - DEBIT                             | pan:5477520000000018                                                                  | 200/OK                                             | Successful                                                            |
| Commercial - VISA - DEBIT                                   | pan:4000730000000004                                                                  | 200/OK                                             | Successful                                                            |
| Commercial - DISCOVER - DEBIT                               | pan:6906650000000004                                                                  | 200/OK                                             | Successful                                                            |
| Funds availability Next Business Day                        | pan:5000333641352301                                                                  | 200/OK                                             | Successful                                                            |
| Account not eligible                                        | pan:4278090004440051                                                                  | 200/ACCOUNT_NOT_ELIGIBLE                           | Account not eligible for sending and receiving                        |
| Network not eligible and country not supported              | pan:5204750000000003                                                                  | 200/NETWORK_NOT_ELIGIBLE and COUNTRY_NOT_SUPPORTED | Network not eligible for sending, country not supported for receiving |
| Account URI - Expiry Date with past present date validation | Provide expiry date as past date in Account URI, e.g. 'exp=2017-01' (Format: YYYY-MM) | 400/INVALID_INPUT_VALUE                            | Error: `account_uri.Expiration date`, invalid value (082000)          |
| Account URI Mod-10 Check on PAN failure                     | pan:1234567890123456                                                                  | 400/INVALID_INPUT_VALUE                            | Error: `account_uri`, invalid value (082000)                          |
| Invalid value                                               | `account_uri`= ABC                                                                    | 400/INVALID_INPUT_VALUE                            | Error: Invalid value (082000)                                         |
| Invalid field length                                        | `amount` = 1234567890123                                                              | 400/INVALID_INPUT_LENGTH                           | Error: Invalid length (072000)                                        |
| Missing required field                                      | Omit a required parameter, such as `account_uri`                                      | 400/MISSING_REQUIRED_INPUT                         | Error: Value is required (092000)                                     |

## MTF Testing {#mtf-testing}

### Test Card Numbers and Associated Networks {#test-card-numbers-and-associated-networks}

For test card numbers that you can use for testing in the MTF environment, see [MTF Test Cards](https://developer.mastercard.com/mastercard-send/documentation/implementation/test-cards/).

Do not use consumer card numbers in the test environment.

### Card Numbers for Different Funds Availability Options {#card-numbers-for-different-funds-availability-options}

|                        Card Number                         |    Funds Availability     |
|------------------------------------------------------------|---------------------------|
| 5000333641352301                                           | NEXT_BUSINESS_DAY         |
| 5000361001156749                                           | TWO_TO_FIVE_BUSINESS_DAYS |
| Any other card number (published on Mastercard Developers) | IMMEDIATE                 |