Delx Commerce Idempotency Key Generator

x402

Delx Commerce Idempotency Key Generator is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-01).

Generates a deterministic idempotency key from a JSON payload and namespace, enabling agents to deduplicate or track logical operations uniquely.

Price / call$0.002

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 structured JSON object containing a unique deterministic idempotency key (prefixed 'delx_'), the SHA-256 hash of the canonical payload, the namespace used, the algorithm identifier ('sha256'), and the schema version ('delx/idempotency-key/v1'). The key is stable and reproducible for identical inputs.

Example use cases

Safe payment retry deduplication

“I need an idempotency key for a USDC payment operation described by {"recipient":"0xABC","amount":"10.00","currency":"USDC"} under the namespace 'payments' so I can retry the call without accidentally double-paying.”

Agent task deduplication across runs

“My agent keeps retrying the same data enrichment task — can you generate a stable idempotency key from the payload {"task":"enrich","record_id":"user_789"} in the 'tasks' namespace so I can detect and skip duplicates?”

Unique operation fingerprint for audit trail

“Create a canonical idempotency key from this webhook payload {"event":"order.completed","order_id":"XYZ99"} in the 'webhooks' namespace so I can log it and avoid processing the same event twice.”

Technical details

Endpoint

POSThttps://commerce.delx.ai/api/v1/x402/idempotency-key?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need a deterministic, verifiable idempotency key derived from a JSON payload without building your own hashing infrastructure. It is especially useful for AI agents that need to deduplicate operations across retries, track logical tasks, or fingerprint structured data in a namespaced, auditable way. Prefer it over rolling your own SHA-256 logic when you want a standardized 'delx/idempotency-key/v1' schema with verifiable delivery semantics.

Side effects

Invalid or non-serializable payload may result in a 400 error
Namespace exceeding 200 characters will be rejected
Payment failure via x402 protocol (insufficient USDC balance) will block the request
Malformed JSON in request body may cause parsing errors
Network or blockchain settlement delays may cause timeouts

Input

Schema · Request body

Field	Type	Description
payload	—	JSON value whose canonical representation identifies one logical operation.
namespace	string

Output

Schema · Response

{
  "type": "json",
  "example": {
    "key": "delx_ca094a4752e182cfcac50a38d65de7c7e4f271ee05c08f26853c75f0ba24b049",
    "schema": "delx/idempotency-key/v1",
    "algorithm": "sha256",
    "namespace": "default",
    "payload_sha256": "f85c6736261be7d990522f91e81634f844ad23c515f3b4029e197ab01a2d18dc"
  }
}

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