Call when an agent needs an HMAC-blake2s256 of text with a caller-supplied key, encoded as base64url. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/hmac-blake2s256-base64url first.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.009000 USDC | 0x1D61...5a38 |