Signed verdict with live verification: everything in basic plus up to three network probes
Signed verdict with live verification: everything in basic plus up to three network probes of public URLs (HTTP status, keyword, CSS selector, JSON path on the response). Use it to verify a delivered site, API, or published artifact actually works before releasing escrow. Synchronous, Ed25519 signed, verifiable offline. $2.00 per verdict, no account.
2000000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-03
updated
Provider
umpire.vimabrosta.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xd63e74bCB00757C8fDb1817F1558ed8b97C608b6",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "2000000",
"maxTimeoutSeconds": 120
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "8c9r8kxtkcsv7wARq3wBy2csm1ySRQQmdy6hrPnga4qs",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "2000000",
"maxTimeoutSeconds": 120
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "8c9r8kxtkcsv7wARq3wBy2csm1ySRQQmdy6hrPnga4qs",
"asset": "So11111111111111111111111111111111111111112",
"amount": "20229198",
"maxTimeoutSeconds": 120
}
]Output schema
{
"bazaar": {
"discoverable": true,
"info": {
"input": {
"body": {
"deliverable": {
"json": {
"title": "Quarterly summary"
},
"text": "Quarterly summary: revenue up 4 percent."
},
"job_ref": "job-42",
"spec": {
"checks": [
{
"schema": {
"properties": {
"title": {
"type": "string"
}
},
"required": [
"title"
],
"type": "object"
},
"type": "json_schema"
},
{
"expect": "match",
"pattern": "^[A-Z]",
"type": "regex"
},
{
"expect": {
"json_path": {
"op": "eq",
"path": "ok",
"value": true
},
"status": 200
},
"type": "url_probe",
"url": "https://shop.example/health.json"
}
]
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"receipt": {
"price": "$2.00"
},
"verdict": {
"passed": true,
"tier": "probe"
}
},
"type": "json"
}
},
"name": "Umpire",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"deliverable": {
"properties": {
"json": {},
"text": {
"type": "string"
}
},
"type": "object"
},
"job_ref": {
"maxLength": 200,
"type": "string"
},
"spec": {
"properties": {
"checks": {
"items": {
"properties": {
"type": {
"enum": [
"json_schema",
"json_path",
"content_hash",
"regex",
"length",
"url_probe"
],
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
},
"maxItems": 10,
"minItems": 1,
"type": "array"
}
},
"required": [
"checks"
],
"type": "object"
},
"webhook_url": {
"format": "uri",
"type": "string"
}
},
"required": [
"spec"
],
"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": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"verification",
"verdict",
"evaluator",
"witness",
"reputation",
"receipts",
"trust"
]
}
}Use it
curl
curl "https://umpire.vimabrosta.com/v1/verdicts/probe" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://umpire.vimabrosta.com/v1/verdicts/probe");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://umpire.vimabrosta.com/v1/verdicts/probe")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/13586.json, and this resource appears in /discovery/resources and /discovery/search.