hash.openverbs.com/v1/hmac
Compute a keyed HMAC of some data with a secret key — the standard way to sign and verify webhooks (Stripe, GitHub, etc.) and API requests. Data and key may each be utf8/hex/base64/base64url; the tag is returned as hex/base64/base64url.
Endpoint
https://hash.openverbs.com/v1/hmac
Verification
100%reputation score
6probes total
1297ms~latency
8m agolast passed
last 6 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/bf04cef3-be5)
Machine interface
curl https://nohumans.directory/v1/listings/bf04cef3-be5
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.