Germany IBAN

Anatomy of the official example

DE89370400440532013000

• Country code
• Check digits
• Bank code
• Account number

The example comes from the ISO 13616 registry; it belongs to nobody. Positions count from the first character of the IBAN.

What the API checks on a Germany IBAN

• The length, the charset of every field and the mod-97 check digits.
• The bank code against Deutsche Bundesbank Bankleitzahlendatei, refreshed monthly: institution, matching BIC, status.
• The country's SEPA reachability and the open schemes (SCT, SDD, SCT Inst).
• The Verification of Payee duty that does, or does not, bind the country's providers.

What the API answers for this code

The block below is the route's own answer, produced by the same code that serves api.ibanforge.com, on the register as of the date shown. Nothing is edited.

{
  "valid": true,
  "country": {
    "code": "DE",
    "name": "Germany"
  },
  "bic": {
    "code": "COBADEFFXXX",
    "bic8": "COBADEFF",
    "bank_name": "Commerzbank",
    "city": "Köln",
    "source": "Deutsche Bundesbank Bankleitzahlendatei",
    "as_of": "2026-09",
    "basis": "national_register",
    "authoritative": true,
    "lei": "851WYGNLUQLFZBSYGB56"
  },
  "bank_code_check": {
    "value": "37040044",
    "status": "verified",
    "match": "register",
    "register": "Deutsche Bundesbank Bankleitzahlendatei",
    "authoritative": true,
    "institution": {
      "name": "Commerzbank",
      "street": null,
      "post_code": "50447",
      "town": "Köln",
      "country": "DE"
    },
    "as_of": "2026-09"
  },
  "sepa": {
    "member": true,
    "schemes": [
      "SCT",
      "SDD",
      "SCT_INST"
    ],
    "vop_required": true,
    "vop_participant": true,
    "basis": "epc_register"
  },
  "issuer": {
    "type": "bank",
    "name": "Commerzbank",
    "classification": "default"
  },
  "risk_indicators": {
    "country_risk": "standard",
    "sepa_reachable": true,
    "vop_coverage": true,
    "test_bic": false
  }
}