Independent due diligence for AI-agent services
Independent due diligence for AI-agent services: x402, A2A, MCP, OpenAPI, ERC-8004, reachability and signed evidence
Answeringour last check, 2026-09-24
1 of 1checks answered this week
733 msmedian answer time
$0.009listed price per call
$0.009price 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://phion.systems/v1/paid/inspect-agent
| Category | Everything else |
|---|---|
| Provider host | phion.systems |
| 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 | valid payment request | 402 | $0.009 | 733 ms |
Example input (from the provider)
{
"body": {
"url": "https://example-agent.com"
},
"bodyType": "json",
"discoverable": true,
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object"
}