Run a fast live probe for one x402 endpoint and summarize challenge/payment-flow
Run a fast live probe for one x402 endpoint and summarize challenge/payment-flow readiness.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
317 msmedian answer time
$0.005listed price per call
$0.005price 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://trust402.vercel.app/api/trust/check-x402
| Category | Search and research |
|---|---|
| Provider host | trust402.vercel.app |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 46 from 16 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.005 | 317 ms |
Example input (from the provider)
{
"body": {
"endpoint": "https://api.example.com/paid",
"expectedPriceUsd": 0.01,
"method": "GET"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"endpoint": {
"description": "x402 endpoint to probe without paying.",
"format": "uri",
"type": "string"
},
"expectedPriceUsd": {
"description": "Expected maximum price in USD.",
"type": "number"
},
"method": {
"default": "GET",
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
}
},
"required": [
"endpoint"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"ok": {
"type": "boolean"
},
"recommendation": {
"type": "string"
},
"tool": {
"type": "string"
}
},
"required": [
"ok",
"tool"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}