Delx Commerce — Seeded Backoff Schedule

x402

Delx Commerce — Seeded Backoff Schedule 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).

Computes a deterministic, jitter-seeded exponential backoff delay schedule given a seed, factor, base interval, and attempt count

Price / call$0.001

Seller volume →—

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 total cumulative delay in milliseconds, an array of per-attempt delay values in milliseconds, an SHA-256 hash of the input for verification, confirmation that no data was retained, a count of external calls made (always 0), and a status field indicating success.

Example use cases

Distributed agent retry orchestration

“I need a reproducible backoff schedule for my agent fleet — use seed 'fleet-node-7', factor 1.5, base 500ms, 4 attempts, and jitter fraction 0.1 so every node retries in sync.”

API rate limit back-off planning

“Compute a jittered exponential backoff for hitting a rate-limited API: seed 'api-ratelimit-session', factor 2.0, base 100ms, 6 attempts, jitter fraction 0.3.”

Deterministic test fixture for retry logic

“Generate a fixed backoff delay sequence I can use in tests — seed 'test-fixture-001', factor 2.5, base 50ms, 3 attempts, jitter fraction 0.0 so results are fully deterministic.”

Technical details

Endpoint

POSThttps://commerce.delx.ai/api/v1/x402/seeded-backoff-schedule?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need a cryptographically verifiable, reproducible backoff schedule with deterministic jitter — especially in multi-agent or distributed systems where all nodes must agree on retry timing from a shared seed. Prefer it over ad-hoc client-side implementations when auditability (input hash, no retention) and pay-per-use pricing without signup are priorities.

Side effects

Invalid or missing seed string may produce an error or undefined behavior
Non-positive factor or base_ms values may result in invalid delay sequences
Negative or zero attempts value may return an empty delays array
Jitter fraction outside [0,1] range may cause computation errors
Payment failure via x402 will prevent the API from returning a result

Input

Schema · Request body

Field	Type	Description
seed	string	Seed supplied to Seeded Backoff Schedule; used only for this bounded calculation and processed in memory without retention.
factor	number	Factor supplied to Seeded Backoff Schedule; used only for this bounded calculation and processed in memory without retention.
base_ms	integer	Base Ms supplied to Seeded Backoff Schedule; used only for this bounded calculation and processed in memory without retention.
attempts	integer	Attempts supplied to Seeded Backoff Schedule; used only for this bounded calculation and processed in memory without retention.
jitter_fraction	number	Jitter Fraction supplied to Seeded Backoff Schedule; used only for this bounded calculation and processed in memory without retention.

Output

Schema · Response

{
  "type": "json",
  "example": {
    "result": {
      "total_ms": 8029,
      "delays_ms": [
        228,
        469,
        1031,
        1999,
        4302
      ]
    },
    "schema": "delx/util-seeded-backoff-schedule/v1",
    "status": "pass",
    "evidence": {
      "retained": false,
      "input_sha256": "234a28ee3af60f37f2134c3978d081030564a653c3b3886bb99cfb5db207b1ab",
      "external_calls": 0
    },
    "operation": "seeded_decision:seeded_backoff_schedule"
  }
}

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