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Delx Commerce — Seeded Random Bytes Hex
x402
Delx Commerce — Seeded Random Bytes Hex is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-02).
Generates a deterministic hex string of random bytes from a user-supplied seed and byte count, with verifiable in-memory processing and no data retention.
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.
Output
Returns a JSON object containing the resulting hex string, the number of bytes generated, a flag indicating whether the output is cryptographically secure (always false for seeded/deterministic generation), evidence metadata including whether input was retained (always false), the SHA-256 of the input, and the count of external calls made (always 0). Schema version and operation name are also included.
Example use cases
Reproducible test data generation
“Generate 32 bytes of seeded random hex using the seed 'test-run-2024-alpha' so I get the same value every time I run my test suite.”
Agent nonce derivation
“I need a deterministic 8-byte hex nonce for my workflow — use the seed 'workflow-step-7' to generate it so I can reproduce it later if needed.”
Auditable randomness for a game outcome
“Use the seed 'game-round-99-player-7' to generate 4 bytes of seeded random hex for a game move, and I want confirmation that the input wasn't stored anywhere.”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/seeded-random-bytes-hex?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need deterministic, reproducible pseudo-random bytes in hex format derived from a known seed, with verifiable evidence that your input was not retained and no external calls were made. It is ideal for auditable randomness in agent workflows, reproducible test fixtures, or any scenario where you need to prove the computation was bounded and in-memory. It is not suitable when cryptographically secure (true) randomness is required, as the output is explicitly flagged as non-cryptographic.
Side effects
- Missing or empty seed may cause a validation error or unexpected output
- byte_count exceeding server limits may result in a 400 or processing error
- Malformed JSON body returns an error response
- Payment failure via x402 protocol results in a 402 Payment Required response before computation
- Extremely large byte_count values may time out or be rejected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| seed | string | Seed supplied to Seeded Random Bytes Hex; used only for this bounded calculation and processed in memory without retention. |
| byte_count | integer | Byte Count supplied to Seeded Random Bytes Hex; used only for this bounded calculation and processed in memory without retention. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"hex": "3453b588df76660a7f2f43b352d4aa07",
"byte_count": 16,
"cryptographic": false
},
"schema": "delx/util-seeded-random-bytes-hex/v1",
"status": "pass",
"evidence": {
"retained": false,
"input_sha256": "1e3b9279f92425f828e6fdd3e438f00a5b856edba6d54ba0faef18c330d43845",
"external_calls": 0
},
"operation": "seeded_decision:seeded_random_bytes_hex"
}
}Tags
x402
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