Credit card number validator: Luhn checksum and card brand (Visa, Mastercard, Am...
https://minty-sprout.onrender.com/v1/card-validateOverview
Credit card number validator: Luhn checksum and card brand (Visa, Mastercard, Amex...). Format check only, never stored. Input: a card number.
Protocol
x402 (POST)
Price
$0.0010
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Foundry
Source
bazaar
Indexed
2026-10-31 23:36:52
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
{
"body": {
"input": "4242 4242 4242 4242"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"brand": "Visa",
"length": 16,
"masked": "424242******4242",
"note": "Format check only; never stored or charged.",
"valid_luhn": true
},
"type": "json"
}