1. Normalize the input
Spaces are removed and the representation is normalized.
🇰🇿 IBAN COUNTRY PROFILE · Kazakhstan
Check an IBAN from Kazakhstan and understand its structure
An IBAN for Kazakhstan always contains 20 characters. After KZ and two IBAN check digits, the national BBAN contains 3-character bank identifier and 13-character account part. No additional bank directory lookup is active for Kazakhstan; validation covers the structure and international check digits.
20 charactersFixed total length
16 charactersNational BBAN
KZISO country code
Structure of an IBAN from Kazakhstan
The reference example KZ86 125K ZT50 0410 0100 shows the country-specific components. It is provided for explanation only and is not a request to make a payment.
KZ 86 125 KZT5004100100
KZCountry code
86IBAN check digits
125Bank identifier
KZT5004100100Account part
| Position | Length | Component | Format |
|---|---|---|---|
| 1–2 | 2 | Country code | Letters: KZ |
| 3–4 | 2 | IBAN check digits | Digits |
| 5–7 | 3 | Bank identifier | Digits |
| 8–20 | 13 | Account part | Alphanumeric |
Validate an IBAN for Kazakhstan
This validator accepts only IBANs from the selected country.
What IBAN-Test validates for Kazakhstan
Validation covers normalization, country assignment, the fixed 20-character length, the country-specific segment structure and MOD-97. Account ownership and real-time account existence are not checked.
2. Country and structure
KZ, the length and the segment sequence are checked.
3. MOD-97
The international checksum catches many typing errors.
4. Available depth
The check remains limited to format, structure and MOD-97.
| Validation step | Available | Details |
|---|---|---|
| Country, length and structure | Yes | KZ, 20 characters; 3-character bank identifier and 13-character account part. |
| MOD-97 checksum | Yes | Mathematical IBAN validation. |
| Known bank identifier | No | No bank directory lookup is active. |
| National account check | No | No additional national account check method. |
| Bank details and BIC | No | No additional bank master data. |
| IBAN name check | No | No comparison between an account holder’s name and the IBAN. |
| Account existence | No | No request is sent to the account-holding institution. |
Validate an IBAN from Kazakhstan via API
The same validation is available through the REST API. The IBAN is sent in the request and is not placed in a public, indexable URL.
curl --get 'https://www.iban-test.eu/api/v2/iban/validate' \
--header 'Authorization: Bearer YOUR_API_TOKEN' \
--data-urlencode 'iban=KZ86 125K ZT50 0410 0100'For this country, the response covers format, structure and checksum without additional bank master data.
What a valid IBAN from Kazakhstan does not prove
Formal validity is a strong signal against input errors, but it is not real-time confirmation of an account.
No existence confirmation
The account may be closed or unreachable.
No account-holder match
A person or company name is not compared with the IBAN.
No payment guarantee
A valid IBAN does not guarantee that a payment will be accepted.
Registry rules can change
Country formats may be updated when the official registry changes.
Privacy: The input is transmitted only for validation and is not placed in the page URL.