Checksum validation of Turkish IBANs, tax numbers (VKN) and national IDs (TCKN). Nothing stored.
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Validates a Turkish (TR) IBAN: 26 characters, structure, reserved digit and ISO 13616 mod-97 checksum. Returns the normalized and grouped form, the 5-digit bank code and the account number part. Format and checksum only: a valid result does not prove the number is registered or belongs to anyone. Inputs are not stored or logged.
IBAN; spaces and hyphens are ignored
Validates a Turkish (TR) IBAN: 26 characters, structure, reserved digit and ISO 13616 mod-97 checksum. Returns the normalized and grouped form, the 5-digit bank code and the account number part. Format and checksum only: a valid result does not prove the number is registered or belongs to anyone. Inputs are not stored or logged.
| Argument | Type | Description |
|---|---|---|
| iban* | string | IBAN; spaces and hyphens are ignored |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"iban"
],
"properties": {
"iban": {
"type": "string",
"maxLength": 64,
"description": "IBAN; spaces and hyphens are ignored"
}
}
}Validates the check digits of an 11-digit Turkish national identity number (T.C. Kimlik Numarası, TCKN), which individuals also use as their tax number. The number is personal data: it is not echoed back. It does not confirm the person exists. Format and checksum only: a valid result does not prove the number is registered or belongs to anyone. Inputs are not stored or logged.
| Argument | Type | Description |
|---|---|---|
| tckn* | string | 11-digit TCKN |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"tckn"
],
"properties": {
"tckn": {
"type": "string",
"maxLength": 64,
"description": "11-digit TCKN"
}
}
}Validates the check digit of a 10-digit Turkish tax identification number (Vergi Kimlik Numarası, VKN) used by companies. Format and checksum only: a valid result does not prove the number is registered or belongs to anyone. Inputs are not stored or logged.
| Argument | Type | Description |
|---|---|---|
| vkn* | string | 10-digit VKN |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"vkn"
],
"properties": {
"vkn": {
"type": "string",
"maxLength": 64,
"description": "10-digit VKN"
}
}
}