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SHA-512 Text Hashing
x402
SHA-512 Text Hashing is a paid API for AI agents from x402-agent.kariguetoazul.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-13).
Computes the SHA-512 cryptographic hash of a given text string, returning the hex-encoded digest.
Price / call$0.001
Success—
StatusUnknown
How this service works
Evidence-backed autonomous AI jobs and paid data tools. Queue/D1/cron run outside the chat; free quotas and bounded execution apply.
Output
Returns a JSON object containing the SHA-512 hash as a 128-character lowercase hex string under the key 'hex', and the algorithm name 'SHA-512' under the key 'algorithm'.
Example use cases
File content integrity fingerprint
“Hash this text for me using SHA-512 so I can store a fingerprint and verify later that the document hasn't been tampered with: 'Terms and Conditions version 3.2, effective January 2025.'”
Password pre-hashing before storage
“I need the SHA-512 hex digest of the string 'MySecureP@ssword123' before I store it in my database.”
Deterministic ID generation from text
“Give me the SHA-512 hash of 'user:alice@example.com:2025-01-01' so I can use it as a unique deterministic identifier in my system.”
Technical details
Endpoint
POSThttps://x402-agent.kariguetoazul.workers.dev/api/encoding/sha512?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a pay-per-call SHA-512 hashing service accessible via HTTP without running local crypto libraries, especially in agentic workflows where code execution is restricted or when you need a simple API-based hash for auditability. Prefer this over SHA-256 endpoints when you need the stronger 512-bit digest length.
Side effects
- Input text exceeds 4096 character limit — request rejected
- Missing or empty 'text' field in request body — likely 400 error
- Payment not included or insufficient — 402 Payment Required response
- Service unavailable due to Cloudflare Worker quota limits — 503 or timeout
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | Text to process. |
Output
Schema · Response
{
"type": "json",
"example": {
"hex": "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f",
"algorithm": "SHA-512"
}
}Tags
x402
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