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Delx Seeded Consistent Shard
x402
Delx Seeded Consistent Shard is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Deterministically assigns a key to a consistent shard index using a seed and total shard count, with no data retention.
Price / call$0.001
Success—
StatusUnknown
How this service works
Seeded Consistent Shard: Seeded Consistent Shard maps a stable key to one shard without mutable state from bounded caller-supplied values without an external provider. Call Seeded Consistent Shard when an agent needs a reproducible decision that another run can independently replay. Returns the deterministic selection plus seed provenance, population bounds, and the operation-specific outcome for Seeded Consistent Shard as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base. First…
Output
Returns the computed shard index for the given key (0-based, within shard_count), the shard_count used, operation status ('pass'), the schema identifier, a SHA-256 hash of the input for auditability, and confirmation that no data was retained and no external calls were made.
Example use cases
Stable user-to-shard routing
“I need to consistently assign user ID 'usr-4421' to one of 32 shards using the seed 'prod-routing-v3' — make sure the same user always lands on the same shard.”
Reproducible A/B test bucket assignment
“Can you assign the session key 'sess-abc987' to one of 4 experiment buckets using the seed 'ab-test-june' so the same session always gets the same bucket?”
Partitioning job keys across workers
“I have the job key 'job-batch-0091' and I want to deterministically assign it to one of 8 worker shards using the seed 'worker-pool-v1' so I know which worker should handle it.”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/seeded-consistent-shardWhen to prefer
Use this endpoint when you need a fast, stateless, reproducible shard assignment for a key that must always map to the same bucket given the same seed and shard count — especially in agent workflows requiring consistent routing, partitioning, or load distribution without maintaining local hashing logic. Prefer over local hashing when you need auditable, seedable, in-memory-only computation with a verifiable input hash.
Side effects
- Missing required field (key, seed, or shard_count) returns a validation error
- shard_count of 0 or negative may cause a division error
- Excessively long key or seed strings (over 8192 chars) are rejected
- Network timeout if the Delx API is unavailable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| key | string | Key supplied to Seeded Consistent Shard; used only for this bounded calculation and processed in memory without retention. |
| seed | string | Seed supplied to Seeded Consistent Shard; used only for this bounded calculation and processed in memory without retention. |
| shard_count | integer | Shard Count supplied to Seeded Consistent Shard; used only for this bounded calculation and processed in memory without retention. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"shard": 8,
"shard_count": 16
},
"schema": "delx/util-seeded-consistent-shard/v1",
"status": "pass",
"evidence": {
"retained": false,
"input_sha256": "3193822187c34bc2c5cf38dd467ce7ac4b223323e04a38e0cdc759a2a3dd8791",
"external_calls": 0
},
"operation": "seeded_decision:seeded_consistent_shard"
}
}Tags
x402
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