1. Normalize the input
Spaces are removed and the representation is normalized.
🇸🇮 IBAN COUNTRY PROFILE · Slovenia
Check an IBAN from Slovenia and understand its structure
An IBAN for Slovenia always contains 19 characters. After SI and two IBAN check digits, the national BBAN contains 2-character bank identifier, 3-character branch identifier, 8-character account part and 2-character national check digit. IBAN-Test can additionally compare the bank identifier with the available bank directory for Slovenia.
19 charactersFixed total length
15 charactersNational BBAN
SIISO country code
Structure of an IBAN from Slovenia
The reference example SI56 1910 0000 0123 438 shows the country-specific components. It is provided for explanation only and is not a request to make a payment.
SI 56 19 100 00001234 38
SICountry code
56IBAN check digits
19Bank identifier
100Branch identifier
00001234Account part
38National check digit
| Position | Length | Component | Format |
|---|---|---|---|
| 1–2 | 2 | Country code | Letters: SI |
| 3–4 | 2 | IBAN check digits | Digits |
| 5–6 | 2 | Bank identifier | Digits |
| 7–9 | 3 | Branch identifier | Digits |
| 10–17 | 8 | Account part | Digits |
| 18–19 | 2 | National check digit | Digits |
Validate an IBAN for Slovenia
This validator accepts only IBANs from the selected country.
What IBAN-Test validates for Slovenia
Validation covers normalization, country assignment, the fixed 19-character length, the country-specific segment structure and MOD-97. Account ownership and real-time account existence are not checked.
2. Country and structure
SI, the length and the segment sequence are checked.
3. MOD-97
The international checksum catches many typing errors.
4. Available depth
The bank identifier is compared with the available directory.
| Validation step | Available | Details |
|---|---|---|
| Country, length and structure | Yes | SI, 19 characters; 2-character bank identifier, 3-character branch identifier, 8-character account part and 2-character national check digit. |
| MOD-97 checksum | Yes | Mathematical IBAN validation. |
| Known bank identifier | Yes | Compared with the available bank directory for Slovenia. |
| National account check | No | No additional national account check method. |
| Bank details and BIC | When available | Returned from the available bank directory. |
| 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 Slovenia 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=SI56 1910 0000 0123 438'When available, the response can include bank details from the country-specific directory.
What a valid IBAN from Slovenia 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.
Bank data can change
Results depend on the bank directory currently available to IBAN-Test.
Privacy: The input is transmitted only for validation and is not placed in the page URL.