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checkdigit.openverbs.com

5 resources listed under checkdigit.openverbs.com.

Source: https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources · last updated 2026-09-18

Do you run checkdigit.openverbs.com? These 5 resources were mirrored from Coinbase's public Bazaar. Claim them all at once by submitting your own manifest — no account required, and it always overrides the mirrored copy.

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Resources

Validate a 9-digit US ABA bank routing number by its weighted (3,7,1)

Validate a 9-digit US ABA bank routing number by its weighted (3,7,1) mod-10 checksum. Spaces and hyphens are ignored.

x402
2000 / request

Validate a 15-digit mobile device IMEI by its Luhn check digit

Validate a 15-digit mobile device IMEI by its Luhn check digit. Spaces and hyphens are ignored.

x402
2000 / request

Validate a GTIN barcode number — EAN-8, UPC-A (12), EAN-13 or GTIN-14

Validate a GTIN barcode number — EAN-8, UPC-A (12), EAN-13 or GTIN-14 — by the standard mod-10 check digit. Length selects the scheme.

x402
2000 / request

Validate an ISBN-10 (mod-11, trailing X allowed) or ISBN-13 (GTIN mod-

Validate an ISBN-10 (mod-11, trailing X allowed) or ISBN-13 (GTIN mod-10) book number. Length after removing spaces/hyphens selects the scheme.

x402
2000 / request

Validate a number by the Luhn (mod-10) algorithm — the scheme behind c

Validate a number by the Luhn (mod-10) algorithm — the scheme behind credit/debit card numbers and many IDs. Spaces and hyphens are ignored. A mismatched check digit is a successful { valid: false }.

x402
2000 / request

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