x402 endpoint trust report
x402 endpoint trust report - repeated 402 probes, price stability, latency and Coinbase Bazaar usage
Answeringour last check, 2026-10-18
1 of 1checks answered this week
2057 msmedian answer time
$0.01listed price per call
$0.01price 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
GET https://saylorinnovations.com/api/audit/x402
| Category | Code and developer |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.01 | 2057 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"url": "https://saylorinnovations.com/api/x402/ping"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"queryParams": {
"properties": {
"url": {
"description": "Full URL of the x402-paid resource to check (GET or POST-only); probed three times without payment",
"examples": [
"https://saylorinnovations.com/api/x402/ping"
],
"maxLength": 2000,
"type": "string"
}
},
"required": [
"url"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"bazaar": {
"description": "Coinbase Bazaar record: listed flag, 30-day calls, unique payers and last call",
"type": "object"
},
"challenge": {},
"checked_at": {
"description": "Time the check was run (UTC)",
"type": [
"string",
"null"
]
},
"checks": {
"description": "Individual check outcomes",
"type": "object"
},
"flags": {
"description": "Specific problems found; empty when none",
"items": {
"type": "string"
},
"type": "array"
},
"latency_ms": {
"description": "Probe latency: min, median, max and each probe",
"type": "object"
},
"method_probed": {
"description": "Method probed",
"type": [
"string",
"null"
]
},
"scope": {
"description": "Scope the result covers",
"type": [
"string",
"null"
]
},
"score": {
"description": "Trust score from 0 to 100",
"type": "number"
},
"url": {
"description": "URL that was probed",
"type": "string"
},
"verdict": {
"description": "healthy, caution or unreliable",
"enum": [
"healthy",
"caution",
"unreliable"
],
"type": "string"
}
},
"required": [
"url",
"verdict",
"score",
"flags"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}