# Card transactions simulation

## (Sandbox only) Create test fraud case

 - [POST /v1/cards/{card_id}/test_fraud_cases](https://docs.solarisgroup.com/api-reference/digital-banking/cards/card-transactions-simulation/paths/~1v1~1cards~1%7Bcard_id%7D~1test_fraud_cases/post.md): This endpoint simulates a fraudulent transaction for the card specified in the request URL. The fraudulent transaction process will begin as a result. This endpoint is only available on Sandbox.

## (Sandbox only) Create test 3DS transaction

 - [POST /v1/cards/{card_id}/test_3ds_authentication](https://docs.solarisgroup.com/api-reference/digital-banking/cards/card-transactions-simulation/paths/~1v1~1cards~1%7Bcard_id%7D~1test_3ds_authentication/post.md): This endpoint simulates a test 3DS transaction for the card_id specified in the request URL.  Calling this endpoint will begin the 3DS transaction process. The API will return a JSON schema containing the HTML for the 3DS challenge screen.  This endpoint is only available on 

## (Beta, sandbox only) Simulate an authorization

 - [POST /v1/cards/{card_id}/simulator/transactions/authorization](https://docs.solarisgroup.com/api-reference/digital-banking/cards/card-transactions-simulation/paths/~1v1~1cards~1%7Bcard_id%7D~1simulator~1transactions~1authorization/post.md): Creates a simulated card authorization for the purpose of testing approval & denial flows.  Calling this endpoint will trigger a  on CARD_AUTHORIZATION or CARD_AUTHORIZATION_DECLINE_V2 (depending on whether the test transaction should be approved or declined).  The API returns a  corresponding with the created transaction. You can query info about the transaction using GET Index account bookings or GET Index reservations. Please  the following:  This is a  The account associated with the card specified in  must have an  

## (Beta, sandbox only) Simulate an unauthorized settlement

 - [POST /v1/cards/{card_id}/simulator/transactions/settle](https://docs.solarisgroup.com/api-reference/digital-banking/cards/card-transactions-simulation/paths/~1v1~1cards~1%7Bcard_id%7D~1simulator~1transactions~1settle/post.md): Creates a simulated unauthorized settlement.  The API returns a  that corresponds with the created transaction. You can query info about the transaction using GET Index account bookings or GET Index reservations. Please  the following:  The account associated with the card specified in  must have an  

## (Beta, sandbox only) Simulate the settlement of an authorization

 - [POST /v1/cards/{card_id}/simulator/transactions/{transaction_key}/settle](https://docs.solarisgroup.com/api-reference/digital-banking/cards/card-transactions-simulation/paths/~1v1~1cards~1%7Bcard_id%7D~1simulator~1transactions~1%7Btransaction_key%7D~1settle/post.md): Executes a test card authorization settlement for the given  and .  The API returns a  that corresponds with the created transaction. You can query info about the transaction using GET Index account bookings or GET Index reservations. Please  the following:  This is a  The account associated with the card specified in  must have an  

## (Beta, sandbox only) Simulate an expired card authorization

 - [POST /v1/cards/simulator/authorization/{transaction_key}/expire](https://docs.solarisgroup.com/api-reference/digital-banking/cards/card-transactions-simulation/paths/~1v1~1cards~1simulator~1authorization~1%7Btransaction_key%7D~1expire/post.md): Marks the card authorization as expired for the given .  The API returns the  response code and an empty response body.   This is a