x402.fairseal.io
Verify and validate AI agent output integrity. Checks structure, SHA-256 hash, and optional cryptographic proof signature. Returns a per-check verdict. Accepts VEO-2 compliant output objects. Use to confirm an AI output has not been tampered with before acting on it.
Offering
- Provider
- x402.fairseal.io
- Method
- POST
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Security
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://x402.fairseal.io/v1/veo/verify- MIME type
- Not provided
- First seen
- 2026-10-16T01:57:40.935Z
- Last seen
- Tags
- None supplied
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: exact - Payment option 2
- 0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: batch-settlement
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"payTo": "0xBd5eB5559f5Ac14475AC0C81b6735A4d9106ce28"
},
{
"scheme": "batch-settlement",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"payTo": "0xBd5eB5559f5Ac14475AC0C81b6735A4d9106ce28"
}
]Observed health
- Status
- Healthy
- Latest latency
- 326 ms
- Average latency
- 617 ms
- HTTP status
- 200
- Last checked
- Reachability
- 100% over 15 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"confidence": {
"required": [
"score"
],
"type": "object"
},
"entropy": {
"description": "At least one of execution/entropy required",
"type": "string"
},
"execution": {
"description": "At least one of execution/entropy required",
"type": "object"
},
"issued_at": {
"type": "string"
},
"object_class": {
"enum": [
"VEO-2A",
"VEO-2B",
"VEO-2C",
"VEO-2D"
],
"type": "string"
},
"object_id": {
"type": "string"
},
"provider": {
"required": [
"name"
],
"type": "object"
},
"standard": {
"const": "VEO",
"type": "string"
},
"version": {
"const": "2.0",
"type": "string"
}
},
"required": [
"standard",
"version",
"object_id",
"object_class",
"provider",
"confidence"
],
"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 schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"confidence": {
"required": [
"score"
],
"type": "object"
},
"entropy": {
"description": "At least one of execution/entropy required",
"type": "string"
},
"execution": {
"description": "At least one of execution/entropy required",
"type": "object"
},
"issued_at": {
"type": "string"
},
"object_class": {
"enum": [
"VEO-2A",
"VEO-2B",
"VEO-2C",
"VEO-2D"
],
"type": "string"
},
"object_id": {
"type": "string"
},
"provider": {
"required": [
"name"
],
"type": "object"
},
"standard": {
"const": "VEO",
"type": "string"
},
"version": {
"const": "2.0",
"type": "string"
}
},
"required": [
"standard",
"version",
"object_id",
"object_class",
"provider",
"confidence"
],
"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"
}
},
"required": [
"input"
],
"type": "object"
}