Luhn check plus card brand and length from IIN ranges (Visa, Mastercard, Amex......
https://bank-validators.x402tookit.com/card-checkOverview
Luhn check plus card brand and length from IIN ranges (Visa, Mastercard, Amex...). Test numbers only; output is masked.
Protocol
x402
Price
$0.02
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Bank and Tax ID Validators
Source
bazaar
Indexed
2026-11-01 23:12:13
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"number": "4242 4242 4242 4242"
},
"type": "http"
}
Output Schema
{
"example": {
"asOf": "2026-10-21T00:36:48.596Z",
"brand": "Visa",
"degraded": false,
"digits": 16,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"isPublishedTestNumber": true,
"lengthMatchesBrand": true,
"luhnValid": true,
"masked": "424242******4242",
"notChecked": [
"whether the card exists, is active, funded, or belongs to anyone",
"expiry, CVV or address",
"…1 more"
],
"reasons": [],
"source": "computed locally",
"summary": "424242******4242 passes Luhn and looks like a Visa number.",
"typicalLengths": [
13,
16
],
"verdict": "VALID_FORMAT"
},
"type": "json"
}