checkdigit.openverbs.com
answeringValidate a 9-digit US ABA bank routing number by its weighted (3,7,1) mod-10 checksum. Spaces and hyphens are ignored.
- Endpoint
- https://checkdigit.openverbs.com/v1/routing
- Price
- $0.002 / call
- Settles via
- cdp
- Category
- —
- Last seen live
- Tue, 08 Sep 2026 05:24:25 UTC
- Last probed
- Tue, 08 Sep 2026 05:24:25 UTC
- First indexed
- Tue, 08 Sep 2026 05:22:25 UTC
- Sources
- cdp-x402
Probe history
Last 1 probes, newest on the right. 100% answered with a payment challenge.
| When | Result | Method | Status | Latency |
|---|---|---|---|---|
| Tue, 08 Sep 2026 05:24:25 UTC | challenge | http-402 | 402 | 657 ms |
JSON: /api/v1/services/checkdigit.openverbs.com. Own this service? Update the listing.