PHION Agent Trust Infrastructure

Require stale success plus multiple independent failed probes before classifying likely abandonment; 0.003 USDC.

Enforce per-call, task, session and period budgets; 0.002 USDC.

Evidence-bounded agent reputation assessment with confidence, coverage, provenance limitations and a signed receipt; 0.005 USDC.

Sign a bounded agent-task handoff; 0.003 USDC.

x402 paid signed JSON attestation; 0.001 USDC on Base.

Company enrichment from domain, profile, ticker or name with provider attribution and signed evidence; 0.005 USDC.

Fail closed unless capacity counter is fresh and the request carries a lease plus idempotency binding; 0.002 USDC.

Resolve or abstain; every candidate must bind source, value hash, observation time and bounded confidence; 0.003 USDC.

Business-contact enrichment from strong identifiers with explicit identity limitations and a signed receipt; 0.007 USDC.

Hash and label context integrity, confidentiality and source; 0.002 USDC.

Deterministic counterparty policy preflight using supplied reputation evidence and transaction limits; 0.003 USDC.

Inspect outbound agent data and destination before transmission; 0.002 USDC.

Certify freshness only when timestamp is bound to source URI and a 64-hex content hash; 0.002 USDC.

Least-privilege guard for agent-to-agent delegation scope, destinations, budget and expiry; 0.003 USDC.

Bind successful delivery to transaction, request and matching 64-hex expected/observed content hashes without echoing content; 0.003 USDC.

Fail closed on empty dependency sets or absent registry policy; distinguish digest declarations from verified provenance; 0.003 USDC.

Public text, HTML, JSON or XML normalized to source-backed JSON; no OCR; 0.010 USDC.

Require a fresh domain-bound DNS-01/HTTP-01 challenge and separate control from legal ownership; 0.003 USDC.

Detect repeated transaction hashes, payment identifiers and idempotent intents; 0.003 USDC.

Source-bounded entity field coverage with explicit missing facts; 0.008 USDC.

Independently fetch bounded public evidence with redirect/DNS/connected-address SSRF checks, hashes and injection screening; 0.004 USDC.

Classify an action as automatic, approval-required or denied; 0.002 USDC.

Detect safe replays and conflicting idempotency-key reuse; 0.002 USDC.

Canonical catalog snapshot or digest-based delta with exact HTTP/MCP records, PHION Execute templates and signed evidence; 0.005 USDC.

Pre-payment agent inspection across x402, A2A, ERC-8004, OpenAPI and MCP; failed inspections are not charged; 0.009 USDC.

Require policy identity, subject, action, lifetime and valid decisions; compute the restrictive cap and shared actions; 0.003 USDC.

Resume only when task/checkpoint identity, sequence, deadline, attempt budget, idempotency and side effects are explicit; 0.003 USDC.

Verify hash continuity, timestamps and ordered intent→quote→payment→delivery lifecycle; 0.010 USDC.

Evaluate live source observation against explicit maximum age; 0.002 USDC.

Atomic spending reservation with cumulative cap and conflict-safe idempotency; 0.004 USDC.

Recursive manifest diff that requires explicit versions and flags sensitive changes without a version advance; 0.002 USDC.

Timestamped public market-data snapshot with provenance; 0.005 USDC.

Inspect an MCP manifest before installation or trust; 0.002 USDC.

Bind MCP domain, endpoint, manifest, key and version; 0.003 USDC.

Screen persistent memory writes for poisoning, unsafe instructions and missing provenance; 0.002 USDC.

Independent source observations with agreement made explicit; 0.005 USDC.

Validate declared OAuth audience and issuer; never send raw tokens; 0.002 USDC.

Public explorer or RPC response evidence with immutable hashes; 0.004 USDC.

Free diagnosis of the exact payment-funnel stage and machine-readable recovery actions for any PHION service.

Fail-closed x402 v2 firewall for network, asset, recipient, amount, scheme, resource host and expiry; 0.002 USDC.

Compare canonical and common x402 payment/receipt aliases, settlement state and coverage; 0.003 USDC.

Reject impossible x402 routes, rank safe eligible routes by policy and return the exact next payment action; read-only, deterministic, 0.002 USDC.

Person enrichment from strong identifiers with provider attribution, likelihood, limitations and a signed receipt; 0.006 USDC.

Universal PHION execution gateway: enforce a budget and persistent idempotency, execute one selected PHION service, evaluate acceptance criteria, and return a signed completion envelope. No gateway surcharge; the selected service price applies.

Validate event identity, timestamps, hash chain and W3C-compatible lowercase nonzero trace/span identifiers; 0.004 USDC.

Free URL safety and reachability check.

Fail-closed consent bound to ID, subject, recipient, purpose, scope, issue/expiry and checked revocation state; 0.003 USDC.

Validate HTTPS callbacks and redirect host allowlists; 0.002 USDC.

Require per-step identity, token and cost counters; detect repeated nodes/edges and enforce all three hard caps; 0.002 USDC.

Separate requested, operator-completed and evidence-verified retention/deletion states using content and evidence hashes; 0.003 USDC.

Fail-closed issuer, contract, jurisdiction, custody and documentation coverage with independently fetched evidence; 0.019 USDC.

Fail-closed RWA transfer decision requiring explicit jurisdiction, KYC, allowlist, limit and transfer-window checks; 0.012 USDC.

Detect and sign material RWA changes in NAV, income, maturity, redemption or freeze state; 0.012 USDC.

Compare declared NAV and reserve ratios with structured observed facts plus independently fetched evidence; returns discrepancies in basis points and fails closed on incomplete evidence; 0.015 USDC.

Evidence-based literal subject screening against observed official US/EU sanctions sources; 0.015 USDC. Not legal clearance or wallet attribution.

Verify an RWA asset, payment, delivery and transfer restrictions; 0.020 USDC.

Safe alias normalization that refuses ambiguous canonical/alias collisions and never changes payment values; 0.001 USDC.

Free, rate-limited payload validation and safe key normalization before payment. Payment-critical values are never changed.

Detect and redact common secret indicators before transmission; 0.002 USDC.

Sign availability and latency calculations from bounded samples; 0.004 USDC.

Compare agent results and sign agreement or conflict; 0.003 USDC.

Attributable public social-source observations with identity limitations; 0.006 USDC.

Literal search over supplied public sources with citations and hashes; 0.004 USDC.

Bind one recurring charge to approval, merchant, due time and per-charge/period budgets; 0.003 USDC.

Bind a proposed tool call to declared intent and execution policy; 0.002 USDC.

Detect tool capability or manifest drift; 0.002 USDC.

Inspect untrusted MCP/tool output before it enters agent context or triggers an action; 0.002 USDC.

End-to-end settlement, timestamp, delivery-hash and deterministic acceptance assurance; 0.015 USDC.

Failure classification and non-repeating recovery plan with validated attempt history; 0.010 USDC.

Free representative preview, exact price and upgrade instructions for any PHION paid service; no wallet required.

Literal query evidence across bounded public news sources; 0.006 USDC.

Bounded public web extraction with source, timestamp and hashes; 0.003 USDC.

Free verification of a PHION signed receipt.

Fail-closed RFC 9421-style webhook preflight requiring trusted key, algorithm, nonce, freshness, replay status and signature coverage of method, target and content; 0.003 USDC.

Validate x402 v2 fields and compare only quotes sharing asset and decimals; 0.002 USDC.