x402 seller trust check before you pay
x402 seller trust check before you pay: probes the live 402, reads USDC inflow to payTo on Base, counts payers and flags self-dealing (operator paying itself) - verdict green/yellow/red with reasons and the window it could read
Answeringour last check, 2026-09-24
1 of 1checks answered this week
981 msmedian answer time
$0.05listed price per call
$0.05price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://agent.connskill.com/v1/trust-check
| Category | Everything else |
|---|---|
| Provider host | agent.connskill.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.05 | 981 ms |
Example input (from the provider)
{
"body": {
"origin": "agent.connskill.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"properties": {
"input": {
"properties": {
"body": {
"properties": {
"origin": {
"description": "Bare host of the x402 service to check, e.g. agent.connskill.com",
"minLength": 4,
"type": "string"
}
},
"required": [
"origin"
],
"type": "object"
}
}
},
"output": {
"properties": {
"example": {
"chain": {
"inflowUsdc": 6.87,
"payers": 3,
"payersSelfDealing": 1,
"selfDealingShare": 0.31,
"windowDays": 14
},
"origin": "https://agent.connskill.com",
"probe": {
"http_ms": 240,
"network": "eip155:8453",
"payTo": "0x43B8...",
"x402Version": 2,
"x402_valid": true
},
"status": "delivered",
"verdict": "green"
}
}
}
}
}