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Delx Is JSON Array
x402
Delx Is JSON Array is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-20).
Checks whether a given value is a valid JSON array and returns a boolean result
Price / call$0.001
Success—
StatusUnknown
How this service works
Check whether value is a JSON array. Call when you validate agent payloads before list ops. Returns boolean result for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.
Output
A boolean indicating whether the submitted value is a JSON array (true) or not (false). No additional metadata, no data is retained, and processing is done locally.
Example use cases
Agent payload pre-flight check
“Before you run the batch operation, check if the payload I'm about to send — ["step1", "step2", "step3"] — is actually a JSON array so we don't hit a type error.”
Validating LLM output before iteration
“The model returned this value and I need to loop over it — can you verify it's a JSON array: [{"id":1},{"id":2}]?”
Guarding list ops in a data pipeline
“I'm about to feed this into a list-processing function. First, check if the value I have is a proper JSON array — it looks like it might just be a string or an object.”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/is-json-arr?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, stateless, privacy-safe type-check to confirm a value is a JSON array before executing list operations in an agent pipeline. It is ideal for pre-flight validation in automated workflows where correctness is critical and no external data retention or API keys are acceptable. Prefer this over inline code checks when you need a verifiable, auditable external validation step with a clear cost footprint ($0.001 USDC).
Side effects
- Missing or malformed request body returns an error
- Non-JSON-serializable value may cause a parsing error
- Payment of 0.001 USDC via x402 on Base must succeed or the call is rejected
- Network timeout if the endpoint is temporarily unavailable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| value | array | Input field: value. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": true,
"schema": "delx/util-is-json-arr/v1"
}
}Tags
x402
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