curl --request POST \
  --url https://api.banka.pro/v1/companies/{companyId}/bank-connections \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": {
    "bankCode": "akbank",
    "fields": {
      "username": "firma-ws",
      "pass": "********"
    },
    "accountIds": [
      "<string>"
    ],
    "currency": "TRY",
    "name": "<string>"
  }
}
'

import requests

url = "https://api.banka.pro/v1/companies/{companyId}/bank-connections"

payload = { "data": {
        "bankCode": "akbank",
        "fields": {
            "username": "firma-ws",
            "pass": "********"
        },
        "accountIds": ["<string>"],
        "currency": "TRY",
        "name": "<string>"
    } }
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    data: {
      bankCode: 'akbank',
      fields: {username: 'firma-ws', pass: '********'},
      accountIds: ['<string>'],
      currency: 'TRY',
      name: '<string>'
    }
  })
};

fetch('https://api.banka.pro/v1/companies/{companyId}/bank-connections', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.banka.pro/v1/companies/{companyId}/bank-connections",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'data' => [
        'bankCode' => 'akbank',
        'fields' => [
                'username' => 'firma-ws',
                'pass' => '********'
        ],
        'accountIds' => [
                '<string>'
        ],
        'currency' => 'TRY',
        'name' => '<string>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Basic <encoded-value>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

{
  "success": true,
  "meta": {
    "requestId": "9cc0d3d1-1e63-4c90-b08f-90b6332e70ca",
    "timestamp": "2026-09-08T20:00:00.000Z",
    "partial": true,
    "warnings": [
      {
        "code": "TODAY_BALANCE_SNAPSHOT_FALLBACK",
        "message": "<string>",
        "date": "2026-09-07",
        "accountCount": 1
      }
    ]
  },
  "data": {
    "connections": [
      {
        "id": "64f000000000000000000001",
        "bankCode": "akbank",
        "bankName": "Akbank",
        "name": "Akbank TRY",
        "currency": "TRY",
        "model": "form",
        "status": "active",
        "isDemo": true,
        "manageable": true,
        "subAccounts": [
          {
            "id": "1234567",
            "iban": "TR000000000000000000000000",
            "title": "Vadesiz TL",
            "currency": "TRY"
          }
        ],
        "lastQuery": {
          "checkedAt": "2026-09-08T20:00:00.000Z",
          "status": true,
          "message": "<string>",
          "newTransactionCount": 123
        },
        "createdAt": "2026-09-08T20:00:00.000Z",
        "updatedAt": "2026-09-08T20:00:00.000Z"
      }
    ],
    "sync": {
      "accepted": true,
      "connectionIds": [
        "64f000000000000000000001"
      ],
      "startedAt": "2026-09-08T20:00:00.000Z"
    }
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_FAILED",
    "message": "pageSize 1-100 araliginda olmalidir.",
    "details": [
      {
        "field": "pageSize",
        "rule": "min:1,max:100"
      }
    ]
  },
  "traceId": "9cc0d3d1-1e63-4c90-b08f-90b6332e70ca"
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_FAILED",
    "message": "İstek doğrulanamadı.",
    "details": [
      {
        "field": "pageSize",
        "rule": "min:1,max:100"
      }
    ]
  },
  "traceId": "9cc0d3d1-1e63-4c90-b08f-90b6332e70ca"
}

{
  "success": false,
  "error": {
    "code": "FORBIDDEN",
    "message": "Bu islem icin yetkiniz bulunmuyor.",
    "details": []
  },
  "traceId": "9cc0d3d1-1e63-4c90-b08f-90b6332e70ca"
}

{
  "success": false,
  "error": {
    "code": "RESOURCE_NOT_FOUND",
    "message": "Banka hareketi bulunamadi.",
    "details": []
  },
  "traceId": "9cc0d3d1-1e63-4c90-b08f-90b6332e70ca"
}

{
  "success": false,
  "error": {
    "code": "COMPANY_EXISTS",
    "message": "Bu VKN ile kayitli bir firma zaten var.",
    "details": [
      {
        "field": "taxId",
        "rule": "unique"
      }
    ]
  },
  "traceId": "9cc0d3d1-1e63-4c90-b08f-90b6332e70ca"
}

{
  "success": false,
  "error": {
    "code": "PAYLOAD_TOO_LARGE",
    "message": "Istek govdesi izin verilen boyutu asiyor.",
    "details": []
  },
  "traceId": "9cc0d3d1-1e63-4c90-b08f-90b6332e70ca"
}

{
  "success": false,
  "error": {
    "code": "BANK_VERIFICATION_FAILED",
    "message": "Banka bu bilgileri dogrulamadi. Bilgileri kontrol et.",
    "details": []
  },
  "traceId": "9cc0d3d1-1e63-4c90-b08f-90b6332e70ca"
}

{
  "success": false,
  "error": {
    "code": "RATE_LIMITED",
    "message": "Istek limiti asildi. Daha sonra tekrar deneyin.",
    "details": []
  },
  "traceId": "9cc0d3d1-1e63-4c90-b08f-90b6332e70ca"
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_FAILED",
    "message": "İstek doğrulanamadı.",
    "details": [
      {
        "field": "pageSize",
        "rule": "min:1,max:100"
      }
    ]
  },
  "traceId": "9cc0d3d1-1e63-4c90-b08f-90b6332e70ca"
}

{
  "success": false,
  "error": {
    "code": "CREDENTIAL_VAULT_UNAVAILABLE",
    "message": "Banka baglantisi su anda kaydedilemiyor. Destek ekibine ulasin.",
    "details": []
  },
  "traceId": "9cc0d3d1-1e63-4c90-b08f-90b6332e70ca"
}

{
  "success": false,
  "error": {
    "code": "BANK_TIMEOUT",
    "message": "Banka zamaninda yanit vermedi. Biraz sonra tekrar dene.",
    "details": []
  },
  "traceId": "9cc0d3d1-1e63-4c90-b08f-90b6332e70ca"
}