The IBAN consists of up to 34 alphanumeric character, so the IBAN Numbers needed to be validated in order to avoid transaction failure.
With IBAN validator, you can validate IBAN for countires Andorra, United Arab Emirates (The), Albania, Austria, Azerbaijan, Bosnia and Herzegovina, Belgium, Bulgaria, Bahrain, Brazil, Republic of Belarus, Switzerland, Costa Rica, Cyprus, Czechia, Germany, Denmark, Dominican Republic, Estonia, Egypt, Spain, Finland, Faroe Islands, France, United Kingdom, Georgia, Gibraltar, Greenland, Greece, Guatemala, Croatia, Hungary, Ireland, Israel, Iraq, Iceland, Italy, Jordan, Kuwait, Kazakhstan, Lebanon, Saint Lucia, Liechtenstein, Lithuania, Luxembourg, Latvia, Libya, Monaco, Moldova, Montenegro, Macedonia, Mauritania, Malta, Mauritius, Netherlands (The), Norway, Pakistan, Poland, Palestine, State of, Portugal, Qatar, Romania, Serbia, Saudi Arabia, Seychelles, Sweden, Slovenia, Slovakia, San Marino, Sao Tome and Principe, El Salvador, Timor-Leste, Tunisia, Turkey, Ukraine, Vatican City State, Virgin Islands, Kosovo