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PennyRail Random Secure Bytes Generator
x402
PennyRail Random Secure Bytes Generator is a paid API for AI agents from pennyrail.vercel.app, paid per call via x402, $0.001/call, status down (last checked 2026-10-23).
Generates cryptographically secure random bytes via a paid micro-transaction API endpoint
Price / call$0.001
Success—
StatusDown
How this service works
Machine-readable settlement service
Output
Returns a JSON object containing cryptographically secure random bytes or equivalent random data, suitable for use in security-sensitive contexts such as key generation, nonces, salts, or tokens.
Example use cases
Secure token generation for auth
“I need to generate cryptographically secure random bytes to use as the basis for a new authentication token — can you fetch some secure random data from PennyRail right now?”
Nonce creation for encrypted payload
“My app needs a fresh cryptographic nonce before encrypting a sensitive payload — generate secure random bytes for me using PennyRail's random-bytes utility.”
Entropy seed for key derivation
“I'm setting up a key derivation function and need a high-entropy seed — can you get me cryptographically secure random bytes from PennyRail to use as the input entropy?”
Technical details
Endpoint
POSThttps://pennyrail.vercel.app/api/p/nano/utility.random-secure--random-bytes?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need cryptographically secure random bytes via a simple paid API call, especially in agentic or automated pipelines where integrating a native crypto library is impractical and a micro-payment model ($0.001 USDC) is acceptable. Prefer this over free randomness APIs when you need verifiable secure entropy delivered over HTTP.
Side effects
- Payment failure (x402 payment not accepted or insufficient USDC balance)
- Empty or malformed input object causing schema validation error
- Service unavailable on Vercel deployment (503/504)
- Undocumented required fields in input object leading to unexpected errors
- Rate limiting or quota exhaustion
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
Schema · Response
{
"type": "object",
"additionalProperties": true
}Tags
x402
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