capabilities.work

Run a Luhn checksum on a number

One step with Delx. We can help you get access.

Look something up

Run a Luhn checksum on a number

with Delx

Use Delx: its Delx Commerce — services for autonomous agents X402 API lets you run a Luhn checksum on a number in a single step (POST /api/v1/x402/luhn-valid). capabilities.work can help you get signed up and connected.

  • Does this card number pass the Luhn checksum?
  • Can I reject mistyped card-shaped numbers before showing a payment form?
Say it to your AI assistant
  • Tell me if card number {number} is Luhn-valid as a boolean, with its digit count.
  • Validate the checksum of digit string {number}.
For your developer

POST /api/v1/x402/luhn-valid in Delx Commerce — services for autonomous agents X402 API. Full spec on APIs.io.