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SHA3-512 Hex Digest of Raw Hex Bytes
x402
SHA3-512 Hex Digest of Raw Hex Bytes is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-29).
Computes a SHA3-512 hash of raw bytes supplied as a hex string, returning the digest encoded as a lowercase hex string.
Price / call$0.003
Success—
StatusUnknown
How this service works
Call when an agent needs a sha3-512 digest of hex bytes, encoded as hex. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/digest-sha3-512-hex-rawhex first.
Output
Returns a SHA3-512 digest of the input bytes (provided as hex) encoded as a lowercase hexadecimal string, suitable for integrity checks or cryptographic fingerprinting.
Example use cases
Integrity check of binary payload
“I have a raw binary payload encoded as hex — '48656c6c6f576f726c64' — can you compute its SHA3-512 digest in hex so I can verify it hasn't been tampered with?”
Fingerprint hex-encoded file chunk
“Generate a SHA3-512 hex digest for this hex-encoded chunk of data I'm storing: 'deadbeefcafebabe0102030405060708'.”
Cryptographic audit trail for data block
“I need to hash this hex byte sequence 'ff00ff00aabbccdd' with SHA3-512 and get the result as a hex string for my audit log.”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/digest-sha3-512-hex-rawhex?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a SHA3-512 hash of raw binary data supplied as a hex string, particularly in contexts requiring Keccak-family 512-bit digests. Prefer the unpaid sandbox variant (POST /v1/sandbox/digest-sha3-512-hex-rawhex) for testing; use this paid endpoint for production workloads when a $0.003 USDC per-call cost is acceptable.
Side effects
- Invalid hex string input (odd length or non-hex characters) results in an error response
- Input text field empty or exceeds 100,000 character limit
- Payment not included or insufficient USDC causes a 402 Payment Required response
- Malformed request body returns a validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| key | string | HMAC secret. Required on HMAC SKUs. Omit it for plain digests and checksums. The key is not stored. |
| text | string | Message to digest. For raw-hex SKUs this is hex bytes; for utf16 or latin1 SKUs it is decoded with that encoding. Otherwise it is UTF-8 text. |
Tags
x402
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