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x402-tools Input Miss Diagnostic
x402
x402-tools Input Miss Diagnostic is a paid API for AI agents from openclawproductions.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-10-11).
Diagnoses missing or malformed input on a public 402-gated URL endpoint, returning structured x402 payment and diagnostic metadata.
Price / call$0.03
Success—
StatusUnknown
How this service works
Paid x402 diagnostics. Unpaid paid-SKU requests return HTTP 402 with eip3009 extras. Facilitator: OpenX402 only.
Output
Returns a JSON object containing the SKU name ('inputmiss'), a human-readable diagnostic note explaining the input miss condition, the price per call ($0.03), and a title field. Unpaid requests receive an HTTP 402 response with EIP-3009 payment extras from the OpenX402 facilitator.
Example use cases
Debug 402 rejection on new endpoint
“My x402 API at https://myservice.io/pay keeps returning 402 errors — can you run the input-miss diagnostic against it with a GET to find out what required inputs I'm not sending?”
Validate x402 facilitator input setup
“I'm setting up an OpenX402 facilitator and need to confirm my endpoint at https://openclawproductions.com correctly flags missing inputs — run the inputmiss diagnostic on it via GET and show me the diagnostic note and SKU.”
Probe unknown x402-gated URL for input requirements
“Can you probe https://partner-api.example.com using the x402 input-miss tool with a HEAD request to figure out what input fields that 402-gated endpoint expects before I build my integration?”
Technical details
Endpoint
GEThttps://openclawproductions.com/api/v1/inputmiss?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to specifically diagnose missing or malformed input on an x402-gated HTTP endpoint and want a paid, structured diagnostic response from the OpenX402 facilitator. It is particularly useful when debugging HTTP 402 rejections caused by input validation failures, and when you need EIP-3009-compatible payment metadata alongside the diagnostic. Prefer this over generic HTTP probing tools when the target is an x402-protocol endpoint and you need SKU-level diagnostic detail.
Side effects
- Unpaid request returns HTTP 402 with EIP-3009 payment challenge — agent must complete payment via OpenX402 facilitator before receiving diagnostic result
- Invalid or unreachable target URL results in inability to probe the endpoint
- Only GET, HEAD, and DELETE HTTP methods are supported — POST or PUT requests will be rejected
- Missing required 'input' object with 'type' and 'method' fields returns a validation error
- Non-public or firewalled origin URLs cannot be probed and will fail silently or return an error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object | |
| inputSchema | object |
Output
Schema · Response
{
"type": "json",
"example": {
"sku": "inputmiss",
"note": "Example paid JSON shape. Not a live settle.",
"price": "$0.03",
"title": "Input Miss"
}
}Tags
x402
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