After the transaction has been created your application can get the latest details and status using the transaction ID submitted in the form or passed back in the onComplete callback.

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Get transaction details

This transaction ID can be used with the SDK to fetch additional details about the transaction. 
using Gr4vy;
using Gr4vy.Models.Components;

var sdk = new Gr4vySDK(
    merchantAccountId: "default",
    bearerAuth: "<YOUR_BEARER_TOKEN_HERE>"
);

var res = await sdk.Transactions.GetAsync(transactionId: "7099948d-7286-47e4-aad8-b68f7eb44591");

// handle response
The transaction includes details about the payment method used, and the status of the transaction. 
{
  "type": "transaction",
  "id": "f7099948d-7286-47e4-aad8-b68f7eb44591",
  "status": "authorized",
  "amount": 1299,
  "currency": "AUD",
  "payment_method": {
    "type": "payment-method",
    "id": "77a76f7e-d2de-4bbc-ada9-d6a0015e6bd5",
    "method": "card",
    ...
  },
  ...
}
Visit the API reference documentation for full details about the transaction resource, and any other API.