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SHA-512 Hash Generator (UnyKorn / Genesis402)
x402
SHA-512 Hash Generator (UnyKorn / Genesis402) is a paid API for AI agents from twin.unykorn.org, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).
Computes the SHA-512 cryptographic digest of a given text string or raw bytes (hex-encoded), returning the hash and a payment receipt.
Price / call$0.001
Success—
StatusUnknown
How this service works
SHA-512 digest of text or raw bytes — Genesis402 / UnyKorn Operator Network
Output
Returns a JSON object with ok:true, the hash type ('hash-sha512'), and the SHA-512 digest of the input. Also includes a payment receipt containing the transaction hash, USD amount charged, and a unique receipt ID, plus an ISO 8601 timestamp of when the digest was generated.
Example use cases
Document integrity fingerprinting
“Hash this contract text with SHA-512 so I can store a tamper-proof fingerprint: 'This agreement is entered into on January 1, 2025 between Party A and Party B...'”
Raw bytes digest for smart contract
“I have some raw bytes I need to SHA-512 hash before submitting to my smart contract — the hex is 0x48656c6c6f576f726c64, can you get me the digest?”
Password or token pre-hashing
“Before I store this API secret, I want to SHA-512 hash it — please hash the string 'my-super-secret-api-key-2025' for me.”
Technical details
Endpoint
POSThttps://twin.unykorn.org/hash-sha512?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a SHA-512 (512-bit) digest specifically, rather than SHA-224 or SHA-256. Prefer it over client-side hashing when you need an auditable, on-chain payment receipt as proof of computation, or when operating in an agentic context where third-party hash attestation is valuable. Use SHA-512 over shorter variants when maximum collision resistance is required, such as for signing large documents or high-security fingerprinting.
Side effects
- Invalid hex encoding (hex param not matching ^0x[0-9a-fA-F]* pattern) returns an error
- Text input exceeding 49152 characters is rejected
- Missing both 'hex' and 'text' params leads to empty or error response
- Payment failure via x402 protocol results in 402 response before hashing occurs
- Malformed JSON body returns a 400-level error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| params | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"type": "hash-sha512",
"receipt": {
"tx_hash": "0x<64hex>",
"amount_usd": 0.001,
"receipt_id": "g402-<16hex>"
},
"generated_at": "<iso8601>"
}
}Tags
x402
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