Signed composite preflight (payability + sanctions + trust) of one subject addre
Signed composite preflight (payability + sanctions + trust) of one subject address
Answeringour last check, 2026-09-24
1 of 1checks answered this week
635 msmedian answer time
$0.015listed price per call
$0.015price 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://x402.nsgoods.org/preflight
| Category | Company and compliance |
|---|---|
| Provider host | x402.nsgoods.org |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 4 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.015 | 635 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"address": "0xc87a06DEE4c0E85912296002617120BBfd5EF990",
"chain": "eip155:8453",
"role": "payee"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"address": {
"description": "Subject EVM address (0x-hex).",
"type": "string"
},
"chain": {
"description": "CAIP-2 chain of the subject, e.g. eip155:8453.",
"type": "string"
},
"role": {
"description": "One of payer, payee, escrow_destination.",
"type": "string"
}
},
"required": [
"address",
"chain",
"role"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"components_evaluated": {
"type": "integer"
},
"envelope": {
"type": "object"
},
"schema_version": {
"type": "string"
}
},
"required": [
"schema_version",
"components_evaluated",
"envelope"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}