curl --request POST \
  --url https://api.kas.fyi/v1/transactions/acceptance \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "transactionIds": [
    "a7177c55769381a56c126e458c8bb6046613b8a8d45c2f8d3ca5dc71a065279a",
    "4a498450c67f332faade1509b7d2ab0b5ce5d3de45fc775ddf9e8098949911ad"
  ]
}
'

{
  "transactions": [
    {
      "transactionId": "a7177c55769381a56c126e458c8bb6046613b8a8d45c2f8d3ca5dc71a065279a",
      "isAccepted": true,
      "acceptingBlockHash": "2a0c51fab2a7c7a187299e087a244d1e70acdc75e0214a661c62761e2d6bbf4f",
      "confirmations": 10
    }
  ]
}