Turkish Personal Code Validator

Data Validation Personal Code Validator Credits / request: 1

Validates Turkish Republic Identity Number (TC Kimlik No).

GET https://api.apikodu.com/api/v1/tcknvalidator

Documentation

Overview

Validates Turkish national ID (TCKN) and, when possible, returns birth date / gender / check digit. Invalid codes return isValid=false with HTTP 200.

Authentication

Every request requires the x-api-key header. Credits used and remaining quota are returned in response headers (x-api-credits-used, x-api-remaining-credits, x-rate-limit-*).

Request

GET https://api.apikodu.com/api/v1/tcknvalidator?code=10000000146

Parameters are sent as a query string.

Parameters

Name	Type	Required	Default	Options	Description
`code`	string	* Required	—	—	Identity code to validate.

Response

Name	Type	Description
`isValid`	boolean	true when the code matches checksum and format rules. Invalid codes still return HTTP 200.
`checkDigit1`	integer	10th digit. Algorithmic check of the first 9 digits.
`checkDigit2`	integer	11th digit. Algorithmic check of the first 10 digits.
`maskedCode`	string	TCKN with middle digits masked.

Errors

HTTP	code	Description
`400`	`-188`	`code` is empty or whitespace. Invalid checksum/format returns HTTP 200 with data.isValid=false, not 400.
`401`	`-100`	x-api-key is missing, empty, malformed, inactive, banned, expired, IP-restricted, or not allowed for this API.
`429`	`-221`	Per-minute request limit exceeded. Response headers: x-rate-limit-limit, x-rate-limit-remaining, x-rate-limit-reset.
`429`	—	Package credit quota cannot cover this request. Body may be { error, limit, currentUsage, requestCost } (no code field).
`500`	`-1`	Unexpected server error. message is a generic error text without technical details.

Notes

Success body is { data: { ... } }. Error body is { code, message }. code is an ApiResponseCode enum value (negative integer).

Sample response

{
  "data": {
    "isValid": true,
    "checkDigit1": 8,
    "checkDigit2": 2,
    "maskedCode": "100000*****82"
  }
}

Code samples

  
      const response = await fetch('https://api.apikodu.com/api/v1/tcknvalidator', {
        method: 'GET',
        headers: {
          'x-api-key': 'YOUR_API_KEY'
        }
      });

      const data = await response.json();
      console.log(data);

  
      import requests

      headers = {
          'x-api-key': 'YOUR_API_KEY'
      }

      response = requests.get('https://api.apikodu.com/api/v1/tcknvalidator', headers=headers)
      print(response.json())

  
      using var client = new HttpClient();
      client.DefaultRequestHeaders.Add("x-api-key", "YOUR_API_KEY");

      var response = await client.GetStringAsync("https://api.apikodu.com/api/v1/tcknvalidator");
      Console.WriteLine(response);

  
      $response = file_get_contents('https://api.apikodu.com/api/v1/tcknvalidator', false, stream_context_create([
          'http' => [
              'header' => "x-api-key: YOUR_API_KEY"
          ]
      ]));

      print_r(json_decode($response, true));

  
      curl -X GET 'https://api.apikodu.com/api/v1/tcknvalidator' \
        -H 'x-api-key: YOUR_API_KEY'

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