Task

Credit Card

4 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Card number validate x402 REST usage

Validate a payment card number (Luhn checksum) and detect the brand. Numbers are not stored or logged.

agent402.tools Crypto & Payments 7 calls / 30d checked 2026-10-26

0.001 USDC per call per call

validate-luhn x402 REST usage

Luhn (mod 10) checksum validation, as used by most payment card numbers.

x402.agentindex.world Crypto & Payments 3 calls / 30d checked 2026-10-26

0.002 USDC per call per call

card-number-luhn x402 REST

Payment card number check: Luhn checksum, card brand from the prefix (Visa, Mastercard, Amex, Discover, JCB, Diners, UnionPay), length validity and masked form. Nothing is stored. Form validation for checkout flows. $0.0...

intel.rallylive.ca Crypto & Payments checked 2026-10-26

0.01 USDC per call per call

validate-credit-card x402 REST

Validate a credit card: tests the value against a well-known credit card pattern and returns valid true/false, the pattern used (so you can reuse it), and, when it fails, the first character position that breaks the rule...

dev.intel.rallylive.ca Other services checked 2026-10-26

no price published

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