EAN / UPC / GTIN check
checkdigit.openverbs.com
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 }.
- Category
- Service
- Networks
- Base
- Starting price
- $0.002
- Paid calls, 30 days
- 10
Paid endpoints
5 endpoints, sorted by usage. Prices are per request.
| Endpoint | Price | Network | Facilitator | Calls / 30d |
|---|---|---|---|---|
POST/v1/ean 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. | $0.002 | Base | Coinbase CDP | 2 |
POST/v1/imei Validate a 15-digit mobile device IMEI by its Luhn check digit. Spaces and hyphens are ignored. | $0.002 | Base | Coinbase CDP | 2 |
POST/v1/isbn 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. | $0.002 | Base | Coinbase CDP | 2 |
POST/v1/luhn 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 }. | $0.002 | Base | Coinbase CDP | 2 |
POST/v1/routing Validate a 9-digit US ABA bank routing number by its weighted (3,7,1) mod-10 checksum. Spaces and hyphens are ignored. | $0.002 | Base | Coinbase CDP | 2 |
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