Generate or validate Luhn and ISO 7064 mod 97-10 (IBAN style) check digits from ...
https://crypto-math.x402tookit.com/check-digitsOverview
Generate or validate Luhn and ISO 7064 mod 97-10 (IBAN style) check digits from the string you supply.
Protocol
x402
Price
$0.02
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Crypto Math
Source
bazaar
Indexed
2026-10-20 21:22:37
Health
Status
healthy
Latency (p50)
462ms
Uptime (30d)
86.7%
Reliability Score
88.3/100
Last Checked
2026-10-28 06:41:21
Last Healthy
2026-10-28 06:41:21
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"action": "generate",
"scheme": "iban",
"value": "GBWEST12345698765432"
},
"type": "http"
}
Output Schema
{
"example": {
"asOf": "2026-10-11T23:46:27.454Z",
"checkDigits": "82",
"countryCode": "GB",
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"iban": "GB82WEST12345698765432",
"ibanLength": 22,
"notChecked": [
"that a number is issued, active or belongs to anyone: a passing check digit proves only arithmetic consistency",
"country-specific IBAN length and BBAN structure, bank codes and national check digits",
"…1 more"
],
"reasons": [
"Per ISO 13616: BBAN, then country code, then 00, converted with A=10 to Z=35; the check digits are 98 minus that number mod 97.",
"Country-specific length and BBAN layout are not validated."
],
"scheme": "iban",
"source": "Luhn (ISO/IEC 7812-1 Annex B) and ISO 7064 MOD 97-10 (as used by ISO 13616 IBAN), computed locally",
"summary": "IBAN check digits are 82: GB82WEST12345698765432.",
"verdict": "COMPUTED"
},
"type": "json"
}