checkdigit.openverbs.com
5 listed endpoints · free reliability snapshot (may be up to 24h old)
Base
B 5
endpoints
5
avg trust score
72.2
ecosystem avg 52.0
avg 30-day uptime
90.7%
ecosystem avg 53.6%
avg latency (EU)
880 ms
measured from a single EU vantage point; includes network round-trip distance to the endpoint
price band
$0.002
USDC per call
networks
1
At a glance
checkdigit.openverbs.com operates 5 listed x402 endpoints across 1 network. 5 of them carry a computed trust score, averaging 72.2 of 100 (above the ecosystem average of 52.0). Average 30-day uptime across the measured endpoints is 90.7% (above the ecosystem average of 53.6%). Advertised price: $0.002 USDC per call. Best-scored endpoint: ISBN check (grade B, 72.4).
Top endpoints by trust score
- ISBN check/v1/isbnValidate an ISBN-10 (mod-11, trailing X allowed) or ISBN-13 (GTIN mod-10) book number. Length after removing spaces/hyphens selects the scheme.→
- EAN / UPC / GTIN check/v1/eanValidate 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.→
- IMEI check/v1/imeiValidate a 15-digit mobile device IMEI by its Luhn check digit. Spaces and hyphens are ignored.→
- Luhn check/v1/luhnValidate 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 che…→
- ABA routing check/v1/routingValidate a 9-digit US ABA bank routing number by its weighted (3,7,1) mod-10 checksum. Spaces and hyphens are ignored.→
All endpoints
| endpoint▼ | grade▼ | uptime 30d▼ | conf.▼ | price▼ |
|---|---|---|---|---|
| /v1/routing ABA routing check | B 72.1 | 90.3% | 0.93 | $0.002 |
| /v1/imei IMEI check | B 72.2 | 90.9% | 0.93 | $0.002 |
| /v1/ean EAN / UPC / GTIN check | B 72.3 | 90.9% | 0.93 | $0.002 |
| /v1/isbn ISBN check | B 72.4 | 90.9% | 0.93 | $0.002 |
| /v1/luhn Luhn check | B 72.2 | 90.3% | 0.93 | $0.002 |
Scores use reduced-density sampling; live probe, full 30-min density and 90-day history via the paid API. Provider-supplied names and descriptions are unverified claims; the grades are our independent measurement.