curl --request GET \
  --url https://sandbox-api.sakawave.example/v1/transactions/{transactionId} \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://sandbox-api.sakawave.example/v1/transactions/{transactionId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://sandbox-api.sakawave.example/v1/transactions/{transactionId}"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

{
  "id": "01K2Z3AB4K5M6N7P8QRSTVWXYZ",
  "account": {
    "id": "01K2Z3AB4D5E6F7G8H9JKMNPQR",
    "name": "Ada NGN wallet",
    "tag": "AA0271849366",
    "type": "operational",
    "category": "fiat"
  },
  "amount": "2500000",
  "amountFormatted": "25000.00",
  "fee": "5000",
  "feeFormatted": "50.00",
  "balanceBefore": "5000000",
  "balanceBeforeFormatted": "50000.00",
  "balanceAfter": "2495000",
  "balanceAfterFormatted": "24950.00",
  "currency": "NGN",
  "type": "debit",
  "category": "transfer",
  "subCategory": "outward",
  "status": "completed",
  "channel": "internal",
  "internalReference": "txn_sandbox_tutorial_001",
  "externalReference": "payout_20260814_001",
  "groupReference": null,
  "reversalOfTransactionId": null,
  "narration": "Sandbox tutorial transfer",
  "createdAt": "2026-08-14T09:08:00.000Z",
  "relatedOperation": {
    "type": "transfer",
    "id": "01K2Z3AB4J5K6M7N8PQRSTVWXY",
    "status": "completed",
    "transferReference": "SKWV-TRF-01K2Z3AB4J5K6M7N8PQRSTVWXY",
    "destinationType": "own_account",
    "recipient": "Treasury NGN",
    "institutionName": null,
    "accountNumberLast4": null,
    "sourceAmount": "25000.00",
    "sourceCurrency": "NGN",
    "destinationAmount": "25000.00",
    "destinationCurrency": "NGN",
    "failureCode": null,
    "failureReason": null
  }
}

{
  "statusCode": 400,
  "message": "Must be a valid identifier.",
  "code": "validation_failed",
  "errors": [
    {
      "message": "Must be a valid identifier.",
      "field": "accountId",
      "code": "custom",
      "path": [
        "accountId"
      ]
    }
  ]
}

{
  "statusCode": 401,
  "code": "INVALID_API_KEY",
  "message": "Invalid or inactive API credentials."
}

{
  "statusCode": 404,
  "code": "resource_not_found",
  "message": "Resource not found."
}

{
  "statusCode": 409,
  "code": "resource_conflict",
  "message": "The request conflicts with the current resource state."
}

{
  "statusCode": 429,
  "message": "Too many API requests. Try again later.",
  "code": "api_key_rate_limit_exceeded",
  "retryAfterSeconds": 17
}

{
  "statusCode": 500,
  "code": "internal_server_error",
  "message": "An unexpected error occurred."
}