Task

Credit Card Display Groups

1 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.

Group a card number x402 REST usage

Format a card number into the conventional display groups for its network (4-6-5 for Amex, 4-6-4 for 14-digit Diners, otherwise groups of four).

creditcard.openverbs.com Crypto & Payments 2 calls / 30d checked 2026-10-26

0.002 USDC per call per call

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