Fact verification — returns verdict, confidence, current truth
Fact verification — returns verdict, confidence, current truth
Answers HTTP 200 without x402 payment termsour last check, 2026-09-24
0 of 1checks answered this week
n/amedian answer time
$0.004listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://verify.agentutil.net/v1/verify
| Category | Everything else |
|---|---|
| Provider host | verify.agentutil.net |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | no x402 terms | 200 | 5354 ms |
Example input (from the provider)
{
"body": {
"claim": "The capital of France is Paris"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"category": {
"enum": [
"financial",
"entity",
"geo",
"factcheck"
],
"type": "string"
},
"claim": {
"description": "Natural language claim to verify",
"maxLength": 500,
"type": "string"
}
},
"required": [
"claim"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"cached": {
"type": "boolean"
},
"confidence": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"current_truth": {
"type": "string"
},
"freshness": {
"type": "string"
},
"source_count": {
"type": "integer"
},
"verdict": {
"enum": [
"confirmed",
"stale",
"disputed",
"false",
"unknown"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}