Task

Hmac Signature

2 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Hashing, HMAC & Checksum Suite x402 REST usage

Give this API any text or binary data and it returns its fingerprint under whichever hash algorithms you choose - SHA-256, SHA-512, MD5, BLAKE2, CRC32 and more. It also signs data with a secret key (HMAC) and safely veri...

hash-hmac.underscoredone.com AI Models & Inference 6 calls / 30d checked 2026-10-26

0.01 USDC per call per call

HMAC data x402 REST usage

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/b...

hash.openverbs.com Dev & Code 1 calls / 30d checked 2026-10-26

0.002 USDC per call per call

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