{"provider":{"host":"creditcard.openverbs.com","name":"Validate a card number","score":69.9,"live":true,"checkedAt":"2026-10-27T19:01:09.549Z","uptime72h":100,"lastCheck":{"httpStatus":402,"ms":624,"note":"valid x402 v2 terms"},"endpoints":5,"networks":["eip155:8453"],"cheapestUsd":"0.002","income7dUsd":"21.821","payers7d":28,"transfers7d":1470,"payoutAddressShared":true,"claimed":false,"page":"https://logicnodes.io/observatory/p/creditcard.openverbs.com"},"endpoints":[{"url":"https://creditcard.openverbs.com/v1/format","method":"POST","priceMicroUsd":2000,"networks":["eip155:8453"],"description":"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)."},{"url":"https://creditcard.openverbs.com/v1/generate","method":"POST","priceMicroUsd":2000,"networks":["eip155:8453"],"description":"Generate a random Luhn-valid TEST card number for the given network (default Visa). For testing only — these are not issued cards and cannot be charged. The response is always flagged `test:true`."},{"url":"https://creditcard.openverbs.com/v1/mask","method":"POST","priceMicroUsd":2000,"networks":["eip155:8453"],"description":"Mask a card number for display, keeping the first six and last four digits (the PCI-permitted maximum) and replacing the rest with a mask character (default `*`)."},{"url":"https://creditcard.openverbs.com/v1/network","method":"POST","priceMicroUsd":2000,"networks":["eip155:8453"],"description":"Detect the issuing network/brand (Visa, Mastercard, American Express, Discover, Diners Club, JCB, UnionPay, Maestro) from the card's IIN prefix, with the network's valid lengths. Returns `network:null` for an unrecognized prefix."},{"url":"https://creditcard.openverbs.com/v1/validate","method":"POST","priceMicroUsd":2000,"networks":["eip155:8453"],"description":"Validate a payment-card number: Luhn check-digit test plus network detection and length check. A syntactically valid number that fails Luhn returns `valid:false` (a 200, not an error)."}]}