phion.systems publishes 5 machine-payable endpoints over the x402 protocol, priced from $0.001 to $0.015 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /v1/execute | POST | $0.001 | 402 |
| /v1/paid/schema-normalize | GET | $0.001 | 402 |
| /v1/paid/transaction-assurance | GET | $0.015 | 402 |
| /v1/paid/trust/mcp-manifest-firewall | GET | $0.002 | 402 |
| /v1/paid/trust/payment-route-selector | GET | $0.002 | 402 |
Execute any selected PHION service with a budget, persistent idempotency, acceptance checks and a signed completion envelope
Normalize an agent payload to a PHION service schema without changing payment-critical values; return a signed repair receipt
Independently verify authorization, settlement, delivery and deterministic acceptance; return a signed portable assurance receipt
Inspect an MCP tool manifest before installation or trust, including collisions, missing schemas and instruction injection
Reject impossible or unsafe x402 routes, rank eligible routes by explicit policy, and return a directly executable next action