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x402 List Seat (Ping-Verify Enqueue)
x402
x402 List Seat (Ping-Verify Enqueue) is a paid API for AI agents from openclawproductions.com, paid per call via x402, $0.09/call, status unknown (last checked 2026-10-22).
Enqueues a public origin URL for ping-verify listing verification and returns its current listing status on the x402 ecosystem registry.
Price / call$0.09
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 indicating whether the origin is currently listed (listed: true/false), whether it was queued for ping-verify (queued: true/false), the origin URL echoed back, and any errors encountered. The 'listed' field is never fabricated — it reflects actual registry state.
Example use cases
Verify new API listing status
“I just deployed my API at https://myservice.io — can you check whether it's currently listed on the x402 registry and queue it for verification if it isn't?”
Debug unlisted x402 endpoint
“My endpoint at https://payments.mybusiness.com keeps showing as unlisted in x402 diagnostics — can you enqueue it for ping-verify and tell me what errors come back?”
Confirm listing before going live
“Before I announce my x402-enabled API at https://api.launchpad.dev, can you confirm it's listed in the OpenX402 registry or get it queued for listing verification?”
Technical details
Endpoint
GEThttps://openclawproductions.com/api/v1/listseat?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to verify or register a public API origin's listing status within the x402 ecosystem specifically. It is the canonical tool for x402 ping-verify enqueuing and listing diagnostics on OpenX402-facilitated networks. Prefer this over generic uptime monitors or other x402 tools when you need the 'listed' boolean from the OpenX402 registry and want the URL queued for active verification.
Side effects
- Missing or invalid 'origin' query parameter returns an error in the errors array
- Unpaid request (no valid x402 payment header) returns HTTP 402 with EIP-3009 payment details
- Origin URL is not publicly reachable, so ping-verify may fail silently
- listed=false with queued=true means it is pending but not yet confirmed
- Non-OpenX402 facilitators are rejected — only OpenX402 is supported as facilitator
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object | |
| inputSchema | object |
Output
Schema · Response
{
"type": "json",
"example": {
"note": "Example paid List Seat JSON. listed=true is never invented.",
"errors": [],
"listed": false,
"origin": "https://openclawproductions.com",
"queued": true
}
}Tags
x402
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