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Delx Commerce Seeded Queue Pick
x402
Delx Commerce Seeded Queue Pick is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).
Deterministically selects one item from a list of queues using a seed string, returning the index and value of the chosen item with verifiable evidence.
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 selected queue item and its zero-based index, the operation name, a status field ('pass'), and an evidence block that includes a SHA-256 hash of the input, a flag confirming no data was retained, and a count of external calls made (always 0), providing full auditability of the deterministic selection.
Example use cases
Deterministic task routing for agent fleet
“I have three worker queues — 'alpha', 'beta', 'gamma' — and I need to route each incoming job reproducibly based on its job ID as the seed. Pick the right queue for job ID 'job-00781'.”
Seeded A/B variant assignment
“I'm running an experiment with two variants: 'control' and 'treatment'. Use the user ID 'usr_4829fa' as the seed to deterministically assign them to one of the variants.”
Verifiable load balancing decision
“Given the seed 'req-session-9912', pick one server from this pool: ['us-east-1', 'eu-west-2', 'ap-south-1'], and give me proof that no external calls were made during the decision.”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/seeded-queue-pick?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a deterministic, reproducible, and verifiable selection from a list of named queues or options — especially in agent workflows where auditability (via input hash and no-retention evidence) matters. Prefer it over random selection when the same seed must always yield the same result, and over client-side hashing when you want a pay-per-result, trustless proof of the computation without running code locally.
Side effects
- Empty queues array returns an error or undefined selection
- Seed exceeding 8192 characters may be rejected
- Queues array exceeding 256 items will be rejected
- Malformed JSON input returns a 400-level error
- Network or payment failure (x402) prevents the call from completing
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| seed | string | Seed supplied to Seeded Queue Pick; used only for this bounded calculation and processed in memory without retention. |
| queues | array | Queues supplied to Seeded Queue Pick; used only for this bounded calculation and processed in memory without retention. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"index": 0,
"selected": "fast"
},
"schema": "delx/util-seeded-queue-pick/v1",
"status": "pass",
"evidence": {
"retained": false,
"input_sha256": "9b3ef1324230b469242f8c2b28232bcd414db5b4884968b8f132b504ea640cf6",
"external_calls": 0
},
"operation": "seeded_decision:seeded_queue_pick"
}
}Tags
x402
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