Instantly verify bank accounts, payment formats, and cross-border requirements with precision built for global payments.
Every validator below is free, instant, and works right in your browser — no sign-up required.
BBBB0XXXXXX — bank code (4) + reserved 0 + branch (6) · ● Live verifiedSelect a mode first.
Fill in the details on the left and hit Validate.
Check every box that applies to this payment change request.
Does the new account country match where you normally pay this vendor?
Fraudsters often use subtly altered company names. Compare what you expected vs. what appears on the new payment details.
Checks if you've paid this account number before in this browser, and whether the name changed.
Complete the checklist and details on the left, then run checks to see the risk assessment and verification call script.
Bank code validation and payment detail validation — together in one platform.
Integrate payment validation into your app
Bank name lookup covers approximately 60 major banks across India, UAE, UK, USA, Germany, Singapore, Saudi Arabia and GCC. For banks outside this list, the bank field is omitted from the response — we never return guessed or incorrect bank names.
curl -X POST https://api.banqcheq.com/validate/iban \
-H "Content-Type: application/json" \
-H "X-API-Key: banqcheq_demo_key_001" \
-d '{"iban":"GB29NWBK60161331926819"}'
const res = await fetch(
'https://api.banqcheq.com/validate/iban',
{
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-API-Key': 'banqcheq_demo_key_001'
},
body: JSON.stringify({
iban: 'GB29NWBK60161331926819'
})
}
);
const data = await res.json();
console.log(data.bank); // NatWest
import requests
r = requests.post(
'https://api.banqcheq.com/validate/iban',
headers={
'Content-Type': 'application/json',
'X-API-Key': 'banqcheq_demo_key_001'
},
json={'iban': 'GB29NWBK60161331926819'}
)
data = r.json()
print(data['bank']) # NatWest
Banqcheq validates payment details before money moves.
Free forever. No credit card. 500 validations a month to start.
Everything you need to know about validating bank accounts and preventing payment fraud.
Guides and tips for finance teams and developers.